CVE-2022-48303

NameCVE-2022-48303
DescriptionGNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tar (PTS)buster1.30+dfsg-6vulnerable
bookworm, bullseye1.34+dfsg-1vulnerable
sid1.34+dfsg-1.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tarsource(unstable)(unfixed)unimportant

Notes

Crash in CLI tool, no security impact
https://savannah.gnu.org/bugs/?62387
https://savannah.gnu.org/patch/?10307

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