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Ubuntu alert USN-1631-1 (tiff)
========================================================================== Ubuntu Security Notice USN-1631-1 November 15, 2012 tiff vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - tiff: Tag Image File Format (TIFF) library Details: It was discovered that LibTIFF incorrectly handled certain malformed images using the PixarLog compression format. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. (CVE-2012-4447) Huzaifa S. Sidhpurwala discovered that the ppm2tiff tool incorrectly handled certain malformed PPM images. If a user or automated system were tricked into opening a specially crafted PPM image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. (CVE-2012-4564) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: libtiff5 4.0.2-1ubuntu2.1 Ubuntu 12.04 LTS: libtiff4 3.9.5-2ubuntu1.3 Ubuntu 11.10: libtiff4 3.9.5-1ubuntu1.4 Ubuntu 10.04 LTS: libtiff4 3.9.2-2ubuntu0.11 Ubuntu 8.04 LTS: libtiff4 3.8.2-7ubuntu3.14 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1631-1 CVE-2012-4447, CVE-2012-4564 Package Information: https://launchpad.net/ubuntu/+source/tiff/4.0.2-1ubuntu2.1 https://launchpad.net/ubuntu/+source/tiff/3.9.5-2ubuntu1.3 https://launchpad.net/ubuntu/+source/tiff/3.9.5-1ubuntu1.4 https://launchpad.net/ubuntu/+source/tiff/3.9.2-2ubuntu0.11 https://launchpad.net/ubuntu/+source/tiff/3.8.2-7ubuntu3.14 -- 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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