CVE-2021-29136

NameCVE-2021-29136
DescriptionOpen Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or "umoci raw unpack" is used.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
umoci (PTS)buster0.4.4+dfsg-1vulnerable
bullseye0.4.6+ds-2vulnerable
sid0.4.7+ds-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
umocisource(unstable)0.4.7+ds-1

Notes

[buster] - umoci <no-dsa> (Minor issue)
https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v
https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57 (v0.4.7)

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