runc AppArmor bypass with symlinked /proc
### 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.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2023-28642US | high7.8 | — | ||
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… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
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