CVE-2023-27561

NameCVE-2023-27561
Descriptionrunc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3369-1
Debian Bugs1033520

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
runc (PTS)buster1.0.0~rc6+dfsg1-3vulnerable
buster (security)1.0.0~rc6+dfsg1-3+deb10u3fixed
bullseye, bullseye (security)1.0.0~rc93+ds1-5+deb11u3vulnerable
bookworm, bookworm (security)1.1.5+ds1-1+deb12u1fixed
sid, trixie1.1.12+ds1-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
runcsourcebuster1.0.0~rc6+dfsg1-3+deb10u2DLA-3369-1
runcsource(unstable)1.1.5+ds1-11033520

Notes

[bullseye] - runc <no-dsa> (Minor issue)
https://github.com/opencontainers/runc/issues/3751
https://github.com/opencontainers/runc/issues/2197#issuecomment-1437617334
https://gist.github.com/LiveOverflow/c937820b688922eb127fb760ce06dab9
Issue exists because of a CVE-2019-19921 regression introduced by the fix for CVE-2021-30465.
Pull Request: https://github.com/opencontainers/runc/pull/3773
Fixed by: https://github.com/opencontainers/runc/commit/0abab45c9b97c113ff2cdc16f3a7388444c3fbec (v1.1.5)

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