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=========================================================== Ubuntu Security Notice USN-412-1 January 23, 2007 geoip vulnerability CVE-2007-0159 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 Ubuntu 6.06 LTS Ubuntu 6.10 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 5.10: geoip-bin 1.3.10-1ubuntu0.1 Ubuntu 6.06 LTS: geoip-bin 1.3.14-2ubuntu0.1 Ubuntu 6.10: geoip-bin 1.3.17-1ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Dean Gaudet discovered that the GeoIP update tool did not validate the filename responses from the update server. A malicious server, or man-in-the-middle system posing as a server, could write to arbitrary files with user privileges.