CVE-2013-4420

NameCVE-2013-4420
DescriptionMultiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2863-1
NVD severitymedium (attack range: remote)
Debian Bugs731860

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libtar (PTS)wheezy (security), wheezy1.2.16-1+deb7u2fixed
jessie1.2.20-4fixed
stretch, sid1.2.20-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libtarsource(unstable)1.2.20-2medium731860
libtarsourcesqueeze1.2.11-6+deb6u2mediumDSA-2863-1
libtarsourcewheezy1.2.16-1+deb7u2mediumDSA-2863-1

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