568 lines
16 KiB
JSON
568 lines
16 KiB
JSON
{
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"schema_version": "1.7.0",
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"id": "USN-4635-1",
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"summary": "krb5 vulnerability",
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"details": "Demi Obenour discovered that Kerberos incorrectly handled certain ASN.1.\nAn attacker could possibly use this issue to cause a denial of service.\n",
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"aliases": [],
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"upstream": [
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"UBUNTU-CVE-2020-28196"
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],
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"related": [],
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"published": "2020-11-17T13:35:56Z",
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"modified": "2026-04-22T07:36:58Z",
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"affected": [
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{
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"package": {
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"ecosystem": "Ubuntu:Pro:14.04:LTS",
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"name": "krb5",
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"purl": "pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu5.4+esm2?arch=source&distro=trusty/esm"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "1.12+dfsg-2ubuntu5.4+esm2"
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}
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]
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}
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],
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"versions": [
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"1.10.1+dfsg-6.1ubuntu1",
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"1.11.3+dfsg-3ubuntu2",
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"1.12+dfsg-2ubuntu1",
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"1.12+dfsg-2ubuntu2",
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"1.12+dfsg-2ubuntu3",
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"1.12+dfsg-2ubuntu4",
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"1.12+dfsg-2ubuntu4.2",
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"1.12+dfsg-2ubuntu5",
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"1.12+dfsg-2ubuntu5.1",
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"1.12+dfsg-2ubuntu5.2",
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"1.12+dfsg-2ubuntu5.3",
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"1.12+dfsg-2ubuntu5.4",
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"1.12+dfsg-2ubuntu5.4+esm1"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "krb5-admin-server",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-gss-samples",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-kdc",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-kdc-ldap",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-locales",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-multidev",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-otp",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-pkinit",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "krb5-user",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libgssapi-krb5-2",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libgssrpc4",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libk5crypto3",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkadm5clnt-mit9",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkadm5srv-mit8",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkadm5srv-mit9",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkdb5-7",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkrad0",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkrb5-3",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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},
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{
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"binary_name": "libkrb5support0",
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"binary_version": "1.12+dfsg-2ubuntu5.4+esm2"
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}
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],
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
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},
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"database_specific": {
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"cves_map": {
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"ecosystem": "Ubuntu:Pro:14.04:LTS",
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"cves": [
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{
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"id": "CVE-2020-28196",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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{
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"type": "Ubuntu",
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"score": "medium"
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}
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]
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}
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]
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}
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}
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},
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{
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"package": {
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"ecosystem": "Ubuntu:16.04:LTS",
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"name": "krb5",
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"purl": "pkg:deb/ubuntu/krb5@1.13.2+dfsg-5ubuntu2.2?arch=source&distro=xenial"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "1.13.2+dfsg-5ubuntu2.2"
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}
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]
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}
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],
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"versions": [
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"1.13.2+dfsg-2",
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"1.13.2+dfsg-3",
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"1.13.2+dfsg-4",
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"1.13.2+dfsg-5",
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"1.13.2+dfsg-5ubuntu1",
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"1.13.2+dfsg-5ubuntu2",
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"1.13.2+dfsg-5ubuntu2.1"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "krb5-admin-server",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-gss-samples",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-k5tls",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-kdc",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-kdc-ldap",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-locales",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-multidev",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-otp",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-pkinit",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "krb5-user",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libgssapi-krb5-2",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libgssrpc4",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libk5crypto3",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libkadm5clnt-mit9",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libkadm5srv-mit9",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libkdb5-8",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libkrad0",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libkrb5-3",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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},
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{
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"binary_name": "libkrb5support0",
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"binary_version": "1.13.2+dfsg-5ubuntu2.2"
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}
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],
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"availability": "No subscription required"
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},
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"database_specific": {
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"cves_map": {
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"ecosystem": "Ubuntu:16.04:LTS",
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"cves": [
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{
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"id": "CVE-2020-28196",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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{
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"type": "Ubuntu",
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"score": "medium"
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}
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]
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}
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]
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}
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}
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},
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{
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS",
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"name": "krb5",
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"purl": "pkg:deb/ubuntu/krb5@1.16-2ubuntu0.2?arch=source&distro=bionic"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "1.16-2ubuntu0.2"
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}
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]
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}
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],
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"versions": [
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"1.15.1-2",
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"1.16-2",
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"1.16-2build1",
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"1.16-2ubuntu0.1"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "krb5-admin-server",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-gss-samples",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-k5tls",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-kdc",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-kdc-ldap",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-kpropd",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-locales",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-multidev",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-otp",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-pkinit",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "krb5-user",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libgssapi-krb5-2",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libgssrpc4",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libk5crypto3",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libkadm5clnt-mit11",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libkadm5srv-mit11",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libkdb5-9",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libkrad0",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libkrb5-3",
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"binary_version": "1.16-2ubuntu0.2"
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},
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{
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"binary_name": "libkrb5support0",
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"binary_version": "1.16-2ubuntu0.2"
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}
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],
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"availability": "No subscription required"
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},
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"database_specific": {
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"cves_map": {
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"ecosystem": "Ubuntu:18.04:LTS",
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"cves": [
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{
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"id": "CVE-2020-28196",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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{
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"type": "Ubuntu",
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"score": "medium"
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}
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]
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}
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]
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}
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}
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},
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{
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"package": {
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"ecosystem": "Ubuntu:20.04:LTS",
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"name": "krb5",
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"purl": "pkg:deb/ubuntu/krb5@1.17-6ubuntu4.1?arch=source&distro=focal"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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|
{
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"introduced": "0"
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},
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{
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"fixed": "1.17-6ubuntu4.1"
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}
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]
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}
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],
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"versions": [
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"1.17-6",
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"1.17-6ubuntu3",
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"1.17-6ubuntu4"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "krb5-admin-server",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-gss-samples",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-k5tls",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-kdc",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-kdc-ldap",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-kpropd",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-locales",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-multidev",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-otp",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-pkinit",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "krb5-user",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "libgssapi-krb5-2",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
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"binary_name": "libgssrpc4",
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"binary_version": "1.17-6ubuntu4.1"
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},
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{
|
|
"binary_name": "libk5crypto3",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
},
|
|
{
|
|
"binary_name": "libkadm5clnt-mit11",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
},
|
|
{
|
|
"binary_name": "libkadm5srv-mit11",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
},
|
|
{
|
|
"binary_name": "libkdb5-9",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
},
|
|
{
|
|
"binary_name": "libkrad0",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
},
|
|
{
|
|
"binary_name": "libkrb5-3",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
},
|
|
{
|
|
"binary_name": "libkrb5support0",
|
|
"binary_version": "1.17-6ubuntu4.1"
|
|
}
|
|
],
|
|
"availability": "No subscription required"
|
|
},
|
|
"database_specific": {
|
|
"cves_map": {
|
|
"ecosystem": "Ubuntu:20.04:LTS",
|
|
"cves": [
|
|
{
|
|
"id": "CVE-2020-28196",
|
|
"severity": [
|
|
{
|
|
"type": "CVSS_V3",
|
|
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
|
|
},
|
|
{
|
|
"type": "CVSS_V3",
|
|
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
|
|
},
|
|
{
|
|
"type": "Ubuntu",
|
|
"score": "medium"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"type": "ADVISORY",
|
|
"url": "https://ubuntu.com/security/notices/USN-4635-1"
|
|
},
|
|
{
|
|
"type": "REPORT",
|
|
"url": "https://ubuntu.com/security/CVE-2020-28196"
|
|
}
|
|
]
|
|
} |