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Ubuntu alert USN-1367-1 (libpng)
========================================================================== Ubuntu Security Notice USN-1367-1 February 16, 2012 libpng vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: libpng could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - libpng: PNG (Portable Network Graphics) file library Details: It was discovered that libpng did not properly verify the embedded profile length of iCCP chunks. An attacker could exploit this to cause a denial of service via application crash. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-5063) Jueri Aedla discovered that libpng did not properly verify the size used when allocating memory during chunk decompression. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking the program. (CVE-2011-3026) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.10: libpng12-0 1.2.46-3ubuntu1.1 Ubuntu 11.04: libpng12-0 1.2.44-1ubuntu3.2 Ubuntu 10.10: libpng12-0 1.2.44-1ubuntu0.2 Ubuntu 10.04 LTS: libpng12-0 1.2.42-1ubuntu2.3 Ubuntu 8.04 LTS: libpng12-0 1.2.15~beta5-3ubuntu0.5 After a standard system update you need to restart your session to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1367-1 CVE-2009-5063, CVE-2011-3026 Package Information: https://launchpad.net/ubuntu/+source/libpng/1.2.46-3ubunt... https://launchpad.net/ubuntu/+source/libpng/1.2.44-1ubunt... https://launchpad.net/ubuntu/+source/libpng/1.2.44-1ubunt... https://launchpad.net/ubuntu/+source/libpng/1.2.42-1ubunt... https://launchpad.net/ubuntu/+source/libpng/1.2.15~beta5-... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security... (Log in to post comments)
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