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View Full Version : USN-616-1: X.org vulnerabilities



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June 13th, 2008, 01:40 PM
Referenced CVEs:
CVE-2008-1377, CVE-2008-1379, CVE-2008-2360, CVE-2008-2361, CVE-2008-2362


Description:
================================================== ========= Ubuntu Security Notice USN-616-1 June 13, 2008 xorg-server vulnerabilities CVE-2008-1377, CVE-2008-1379, CVE-2008-2360, CVE-2008-2361, CVE-2008-2362 ================================================== ========= A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 7.04 Ubuntu 7.10 Ubuntu 8.04 LTS 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: xserver-xorg-core 1:1.0.2-0ubuntu10.13 Ubuntu 7.04: xserver-xorg-core 2:1.2.0-3ubuntu8.4 Ubuntu 7.10: xserver-xorg-core 2:1.3.0.0.dfsg-12ubuntu8.4 Ubuntu 8.04 LTS: xserver-xorg-core 2:1.4.1~git20080131-1ubuntu9.2 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: Multiple flaws were found in the RENDER, RECORD, and Security extensions of X.org which did not correctly validate function arguments. An authenticated attacker could send specially crafted requests and gain root privileges or crash X. (CVE-2008-1377, CVE-2008-2360, CVE-2008-2361, CVE-2008-2362) It was discovered that the MIT-SHM extension of X.org did not correctly validate the location of memory during an image copy. An authenticated attacker could exploit this to read arbitrary memory locations within X, exposing sensitive information. (CVE-2008-1379)





More... (http://www.ubuntu.com/usn/usn-616-1)