Debian Security Advisory DSA-2863-1 email@example.com http://www.debian.org/security/ Luciano Bello February 18, 2014 http://www.debian.org/security/faq
Package : libtar Vulnerability : directory traversal CVE ID : CVE-2013-4420 Debian Bug : 731860
A directory traversal attack was reported against libtar, a C library for manipulating tar archives. The application does not validate the filenames inside the tar archive, allowing to extract files in arbitrary path. An attacker can craft a tar file to override files beyond the tar_extract_glob and tar_extract_all prefix parameter.
For the oldstable distribution (squeeze), this problem has been fixed in version 1.2.11-6+deb6u2.
For the stable distribution (wheezy), this problem has been fixed in version 1.2.16-1+deb7u2.
For the unstable distribution (sid), this problem has been fixed in version 1.2.20-2.
We recommend that you upgrade your libtar packages.
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/
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