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CVE-2023-28642

Publication date 29 March 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked `/proc`. See PR #3785 for details. users are advised to upgrade. Users unable to upgrade should avoid using an untrusted container image.

Status

Package Ubuntu Release Status
runc 23.04 lunar
Fixed 1.1.4-0ubuntu3.1
22.10 kinetic
Fixed 1.1.4-0ubuntu1~22.10.3
22.04 LTS jammy
Fixed 1.1.4-0ubuntu1~22.04.3
20.04 LTS focal
Fixed 1.1.4-0ubuntu1~20.04.3
18.04 LTS bionic
Fixed 1.1.4-0ubuntu1~18.04.2
16.04 LTS xenial
14.04 LTS trusty Ignored

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Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H