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View Full Version : USN-506-1: tar vulnerability



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August 28th, 2007, 11:50 PM
Referenced CVEs:
CVE-2007-4131


Description:
================================================== ========= Ubuntu Security Notice USN-506-1 August 28, 2007 tar vulnerability CVE-2007-4131 ================================================== ========= A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: tar 1.15.1-2ubuntu2.2 Ubuntu 6.10: tar 1.15.91-2ubuntu0.4 Ubuntu 7.04: tar 1.16-2ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Dmitry V. Levin discovered that tar did not correctly detect the ".." file path element when unpacking archives. If a user or an automated system were tricked into unpacking a specially crafted tar file, arbitrary files could be overwritten with user privileges.





More... (http://www.ubuntu.com/usn/usn-506-1)