CVE-2023-28642
It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.34% probability · 27th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-281, CWE-59
- Affected
- linuxfoundation/runc
- Source
- security-advisories@github.com
References
- https://github.com/opencontainers/runc/pull/3785Patch
- https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8cPatch, Vendor Advisory
- https://github.com/opencontainers/runc/pull/3785Patch
- https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8cPatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20241206-0005/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.