{"id":"CVE-2023-1326","aliases":["EUVD-2023-23584","GHSA-qgrc-7333-5cgx","UBUNTU-CVE-2023-1326","USN-6018-1"],"status":"published","title":"local privilege escalation in apport-cli","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00882,"percentile":0.59465,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-269"],"published":"2023-04-13T12:33:00Z","modified":"2026-10-28T02:30:29Z","exploits":[{"source":"pocgithub","id":"Pol-Ruiz/CVE-2023-1326","title":"Pol-Ruiz/CVE-2023-1326","date":"2024-01-16","url":"https://github.com/Pol-Ruiz/CVE-2023-1326"},{"source":"pocgithub","id":"R3fr4kt/DEVVORTEX","title":"R3fr4kt/DEVVORTEX","date":"2026-09-12","url":"https://github.com/R3fr4kt/DEVVORTEX"},{"source":"pocgithub","id":"cve-2024/CVE-2023-1326-PoC","title":"cve-2024/CVE-2023-1326-PoC","date":"2024-06-14","url":"https://github.com/cve-2024/CVE-2023-1326-PoC"},{"source":"pocgithub","id":"diego-tella/CVE-2023-1326-PoC","title":"diego-tella/CVE-2023-1326-PoC","date":"2023-12-06","url":"https://github.com/diego-tella/CVE-2023-1326-PoC"},{"source":"pocgithub","id":"h3x0v3rl0rd/CVE-2023-1326","title":"h3x0v3rl0rd/CVE-2023-1326","date":"2024-05-04","url":"https://github.com/h3x0v3rl0rd/CVE-2023-1326"}],"fixes":[{"ecosystem":"Ubuntu:18.04:LTS","package":"apport","fixed_in":["2.20.9-0ubuntu7.29"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"apport","fixed_in":["2.20.11-0ubuntu27.26"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"apport","fixed_in":["2.20.11-0ubuntu82.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.9-0ubuntu7.29"}]}],"versions":["2.20.7-0ubuntu3","2.20.7-0ubuntu3.1","2.20.7-0ubuntu4","2.20.8-0ubuntu1","2.20.8-0ubuntu2","2.20.8-0ubuntu3","2.20.8-0ubuntu4","2.20.8-0ubuntu5","2.20.8-0ubuntu6","2.20.8-0ubuntu7","2.20.8-0ubuntu8","2.20.8-0ubuntu9","2.20.8-0ubuntu10","2.20.9-0ubuntu1","2.20.9-0ubuntu2","2.20.9-0ubuntu4","2.20.9-0ubuntu5","2.20.9-0ubuntu6","2.20.9-0ubuntu7","2.20.9-0ubuntu7.1","2.20.9-0ubuntu7.2","2.20.9-0ubuntu7.3","2.20.9-0ubuntu7.4","2.20.9-0ubuntu7.5","2.20.9-0ubuntu7.6","2.20.9-0ubuntu7.7","2.20.9-0ubuntu7.8","2.20.9-0ubuntu7.9","2.20.9-0ubuntu7.11","2.20.9-0ubuntu7.12","2.20.9-0ubuntu7.13","2.20.9-0ubuntu7.14","2.20.9-0ubuntu7.15","2.20.9-0ubuntu7.16","2.20.9-0ubuntu7.17","2.20.9-0ubuntu7.18","2.20.9-0ubuntu7.19","2.20.9-0ubuntu7.20","2.20.9-0ubuntu7.21","2.20.9-0ubuntu7.23","2.20.9-0ubuntu7.24","2.20.9-0ubuntu7.26","2.20.9-0ubuntu7.27","2.20.9-0ubuntu7.28"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.11-0ubuntu27.26"}]}],"versions":["2.20.11-0ubuntu8","2.20.11-0ubuntu9","2.20.11-0ubuntu13","2.20.11-0ubuntu14","2.20.11-0ubuntu15","2.20.11-0ubuntu16","2.20.11-0ubuntu17","2.20.11-0ubuntu18","2.20.11-0ubuntu19","2.20.11-0ubuntu20","2.20.11-0ubuntu21","2.20.11-0ubuntu22","2.20.11-0ubuntu24","2.20.11-0ubuntu25","2.20.11-0ubuntu26","2.20.11-0ubuntu27","2.20.11-0ubuntu27.2","2.20.11-0ubuntu27.3","2.20.11-0ubuntu27.4","2.20.11-0ubuntu27.6","2.20.11-0ubuntu27.8","2.20.11-0ubuntu27.9","2.20.11-0ubuntu27.10","2.20.11-0ubuntu27.11","2.20.11-0ubuntu27.12","2.20.11-0ubuntu27.13","2.20.11-0ubuntu27.14","2.20.11-0ubuntu27.16","2.20.11-0ubuntu27.17","2.20.11-0ubuntu27.18","2.20.11-0ubuntu27.20","2.20.11-0ubuntu27.21","2.20.11-0ubuntu27.23","2.20.11-0ubuntu27.24","2.20.11-0ubuntu27.25"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.11-0ubuntu82.4"}]}],"versions":["2.20.11-0ubuntu70","2.20.11-0ubuntu73","2.20.11-0ubuntu74","2.20.11-0ubuntu75","2.20.11-0ubuntu76","2.20.11-0ubuntu77","2.20.11-0ubuntu78","2.20.11-0ubuntu79","2.20.11-0ubuntu80","2.20.11-0ubuntu81","2.20.11-0ubuntu82","2.20.11-0ubuntu82.1","2.20.11-0ubuntu82.2","2.20.11-0ubuntu82.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.9-0ubuntu7.29"}]}],"versions":["2.20.7-0ubuntu3","2.20.7-0ubuntu3.1","2.20.7-0ubuntu4","2.20.8-0ubuntu1","2.20.8-0ubuntu2","2.20.8-0ubuntu3","2.20.8-0ubuntu4","2.20.8-0ubuntu5","2.20.8-0ubuntu6","2.20.8-0ubuntu7","2.20.8-0ubuntu8","2.20.8-0ubuntu9","2.20.8-0ubuntu10","2.20.9-0ubuntu1","2.20.9-0ubuntu2","2.20.9-0ubuntu4","2.20.9-0ubuntu5","2.20.9-0ubuntu6","2.20.9-0ubuntu7","2.20.9-0ubuntu7.1","2.20.9-0ubuntu7.2","2.20.9-0ubuntu7.3","2.20.9-0ubuntu7.4","2.20.9-0ubuntu7.5","2.20.9-0ubuntu7.6","2.20.9-0ubuntu7.7","2.20.9-0ubuntu7.8","2.20.9-0ubuntu7.9","2.20.9-0ubuntu7.11","2.20.9-0ubuntu7.12","2.20.9-0ubuntu7.13","2.20.9-0ubuntu7.14","2.20.9-0ubuntu7.15","2.20.9-0ubuntu7.16","2.20.9-0ubuntu7.17","2.20.9-0ubuntu7.18","2.20.9-0ubuntu7.19","2.20.9-0ubuntu7.20","2.20.9-0ubuntu7.21","2.20.9-0ubuntu7.23","2.20.9-0ubuntu7.24","2.20.9-0ubuntu7.26","2.20.9-0ubuntu7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Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1326","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qgrc-7333-5cgx"},{"url":"https://github.com/canonical/apport/","tags":["web"]},{"url":"https://github.com/canonical/apport/tags","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1326.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-1326","tags":["report"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26604","tags":["report"]},{"url":"https://github.com/systemd/systemd/issues/5666","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-1326","tags":["report"]},{"url":"https://launchpad.net/bugs/2016023","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-1326","title":"local privilege escalation in apport-cli","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","status":"published","published":"2023-04-13T22:35:19.704Z","modified":"2025-02-07T15:54:48.365Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:35:31.657022Z"}],"euvd":[{"id":"EUVD-2023-23584","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","status":"published","published":"2023-04-13T22:35:19Z","modified":"2025-02-07T15:54:48Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:02.347135Z"}],"ghsa":[{"id":"GHSA-qgrc-7333-5cgx","title":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE...","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","status":"published","published":"2023-04-14T00:31:38Z","modified":"2024-04-04T03:27:36Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:56:14.876837Z"}],"nvd":[{"id":"CVE-2023-1326","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","status":"published","published":"2023-04-13T23:15:07.18Z","modified":"2026-06-17T05:27:39.52Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:07:55.652109Z"}],"osv":[{"id":"CVE-2023-1326","title":"local privilege escalation in apport-cli","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","status":"published","published":"2023-04-13T22:35:19.704Z","modified":"2026-10-28T02:30:29.897865216Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:44:29.487253Z"},{"id":"UBUNTU-CVE-2023-1326","description":"A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.","status":"published","published":"2023-04-13T12:33:00Z","modified":"2026-02-04T04:16:33.427371Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:18.756095Z"},{"id":"USN-6018-1","title":"apport vulnerability","description":"Chen Lu, Lei Wang, and YiQi Sun discovered a privilege escalation\nvulnerability in apport-cli when viewing crash reports and unprivileged\nusers are allowed to run sudo less. A local attacker on a specially\nconfigured system could use this to escalate their privilege.\n","status":"published","published":"2023-04-13T22:18:37Z","modified":"2026-02-10T04:43:04Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}