What is GHSA-g2j6-57v7-gm8c?

GHSA-g2j6-57v7-gm8c is a security advisory published by GitHub Security Advisories with Medium severity. runc AppArmor bypass with symlinked /proc

Which CVE IDs does GHSA-g2j6-57v7-gm8c cover?

GHSA-g2j6-57v7-gm8c covers the following CVE IDs: CVE-2023-28642. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g2j6-57v7-gm8c?

GHSA-g2j6-57v7-gm8c has a CVSS v3 base score of 6.1, published by GitHub Security Advisories.

Which products are affected by GHSA-g2j6-57v7-gm8c?

GHSA-g2j6-57v7-gm8c affects 1 product, including: go/github.com/opencontainers/runc:\u003c 1.1.5.

GHSA-g2j6-57v7-gm8cMediumCVSS 6.1

runc AppArmor bypass with symlinked /proc

Vendor

GitHub Security Advisories

Published

March 30, 2023

Last Modified

December 6, 2024

🔗 CVE IDs covered (1)

CVE-2023-28642 →

📋 Description

Impact

It was found that AppArmor, and potentially SELinux, can be bypassed when /proc inside the container is symlinked with a specific mount configuration.

Patches

Fixed in runc v1.1.5, by prohibiting symlinked /proc: https://github.com/opencontainers/runc/pull/3785

This PR fixes CVE-2023-27561 as well.

Workarounds

Avoid using an untrusted container image.

🎯 Affected products1

go/github.com/opencontainers/runc:< 1.1.5

🔗 References (5)

https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c
https://nvd.nist.gov/vuln/detail/CVE-2023-28642
https://github.com/opencontainers/runc/pull/3785
https://security.netapp.com/advisory/ntap-20241206-0005
https://github.com/advisories/GHSA-g2j6-57v7-gm8c