138 lines
4.3 KiB
JSON
138 lines
4.3 KiB
JSON
{
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"schema_version": "1.7.0",
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"id": "USN-5259-3",
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"summary": "cron regression",
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"details": "USN-5259-1 and USN-5259-2 fixed vulnerabilities in Cron. Unfortunately\nthat update was incomplete and could introduce a regression. This update\nfixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that the postinst maintainer script in Cron unsafely\n handled file permissions during package install or update operations.\n An attacker could possibly use this issue to perform a privilege\n escalation attack. (CVE-2017-9525)\n \n Florian Weimer discovered that Cron incorrectly handled certain memory\n operations during crontab file creation. An attacker could possibly use\n this issue to cause a denial of service. (CVE-2019-9704)\n \n It was discovered that Cron incorrectly handled user input during crontab\n file creation. An attacker could possibly use this issue to cause a denial\n of service. (CVE-2019-9705)\n \n It was discovered that Cron contained a use-after-free vulnerability in\n its force_rescan_user function. An attacker could possibly use this issue\n to cause a denial of service. (CVE-2019-9706)\n",
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"aliases": [],
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"upstream": [
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"UBUNTU-CVE-2017-9525"
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],
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"related": [],
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"published": "2022-05-11T00:25:41Z",
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"modified": "2026-06-25T10:46:03Z",
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"affected": [
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{
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"package": {
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"ecosystem": "Ubuntu:Pro:16.04:LTS",
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"name": "cron",
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"purl": "pkg:deb/ubuntu/cron@3.0pl1-128ubuntu2+esm2?arch=source&distro=esm-infra/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": "3.0pl1-128ubuntu2+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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"3.0pl1-127ubuntu1",
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"3.0pl1-128ubuntu1",
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"3.0pl1-128ubuntu2",
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"3.0pl1-128ubuntu2+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": "cron",
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"binary_version": "3.0pl1-128ubuntu2+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:16.04:LTS",
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"cves": [
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{
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"id": "CVE-2017-9525",
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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:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
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},
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{
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"type": "Ubuntu",
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"score": "low"
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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": "cron",
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"purl": "pkg:deb/ubuntu/cron@3.0pl1-128.1ubuntu1.2?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": "3.0pl1-128.1ubuntu1.2"
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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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"3.0pl1-128ubuntu5",
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"3.0pl1-128.1ubuntu1",
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"3.0pl1-128.1ubuntu1.1"
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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": "cron",
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"binary_version": "3.0pl1-128.1ubuntu1.2"
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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-2017-9525",
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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:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
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},
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{
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"type": "Ubuntu",
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"score": "low"
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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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"references": [
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{
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"type": "ADVISORY",
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"url": "https://ubuntu.com/security/notices/USN-5259-3"
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},
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{
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"type": "REPORT",
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"url": "https://ubuntu.com/security/CVE-2017-9525"
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},
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{
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"type": "REPORT",
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"url": "https://launchpad.net/bugs/1971895"
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}
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]
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} |