CVE-2023-28642

Public on 2023-03-29
Modified on 2023-03-30
Description
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.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 runc Pending Fix
Amazon Linux 2 - Docker Extra runc 2023-05-25 ALAS2DOCKER-2023-025 Fixed
Amazon Linux 2 - Ecs Extra runc 2023-05-25 ALAS2ECS-2023-004 Fixed
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra runc 2023-05-25 ALAS2NITRO-ENCLAVES-2023-024 Fixed
Amazon Linux 2023 runc 2023-06-07 ALAS2023-2023-208 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD CVSSv3 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L