Kurz gesagt
- CVE-2023-28642 ist eine Schwachstelle (HOCH (CVSS 7.8)) in github.com/opencontainers/runc, runc (linuxfoundation).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.34%, höher als bei 27.9% aller Schwachstellen.
- Abhilfe: auf 1.1.5 oder neuer aktualisieren.
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.
NVD 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.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free