150 lines
5.8 KiB
JSON
150 lines
5.8 KiB
JSON
{
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"schema_version": "1.7.0",
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"id": "USN-5174-2",
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"summary": "samba regression",
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"details": "USN-5174-1 fixed vulnerabilities in Samba. Some of the changes introduced a\nregression in Kerberos authentication in certain environments.\n\nPlease see the following upstream bug for more information:\nhttps://bugzilla.samba.org/show_bug.cgi?id=14922\n\nThis update fixes the problem.\n\nOriginal advisory details:\n\n Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client\n connections. A remote attacker could possibly use this issue to downgrade\n connections to plaintext authentication. (CVE-2016-2124)\n \n Andrew Bartlett discovered that Samba incorrectly mapping domain users to\n local users. An authenticated attacker could possibly use this issue to\n become root on domain members. (CVE-2020-25717)\n \n Andrew Bartlett discovered that Samba did not properly check sensitive\n attributes. An authenticated attacker could possibly use this issue to\n escalate privileges. (CVE-2020-25722)\n \n Joseph Sutton discovered that Samba incorrectly handled certain TGS\n requests. An authenticated attacker could possibly use this issue to cause\n Samba to crash, resulting in a denial of service. (CVE-2021-3671)\n \n The fix for CVE-2020-25717 results in possible behaviour changes that could\n affect certain environments. Please see the upstream advisory for more\n information:\n \n https://www.samba.org/samba/security/CVE-2020-25717.html\n",
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"aliases": [],
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"upstream": [],
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"related": [],
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"published": "2021-12-13T19:55:15Z",
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"modified": "2026-04-22T07:37:00Z",
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"affected": [
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{
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS",
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"name": "samba",
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"purl": "pkg:deb/ubuntu/samba@2:4.7.6+dfsg~ubuntu-0ubuntu2.27?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": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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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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"2:4.6.7+dfsg-1ubuntu3",
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"2:4.7.1+dfsg-1ubuntu1",
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"2:4.7.3+dfsg-1ubuntu1",
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"2:4.7.4+dfsg-1ubuntu1",
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"2:4.7.6+dfsg~ubuntu-0ubuntu1",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.2",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.4",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.5",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.6",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.7",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.9",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.10",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.11",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.13",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.14",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.15",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.16",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.17",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.18",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.19",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.20",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.21",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.23",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
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"2:4.7.6+dfsg~ubuntu-0ubuntu2.26"
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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": "ctdb",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "libnss-winbind",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "libpam-winbind",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "libparse-pidl-perl",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "libsmbclient",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "libwbclient0",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "python-samba",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "registry-tools",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba-common",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba-common-bin",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba-dsdb-modules",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba-libs",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba-testsuite",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "samba-vfs-modules",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "smbclient",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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},
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{
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"binary_name": "winbind",
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"binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.27"
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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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}
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}
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],
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"references": [
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{
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"type": "ADVISORY",
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"url": "https://ubuntu.com/security/notices/USN-5174-2"
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},
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{
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"type": "REPORT",
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"url": "https://launchpad.net/bugs/1950363"
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}
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]
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} |