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Ubuntu 8.10: USN-721-1 Critical Fglrx Installer Remote Code Execution

Marko Lindqvist discovered that the fglrx installer created an unsafeLD_LIBRARY_PATH on 64bit systems. If a user were tricked into downloadingspecially crafted libraries and running commands in the same directory,a remote attacker could execute arbitrary code with user privileges. [More...]. ==========================================================Ubuntu Security Notice USN-721-1 February 17, 2009 fglrx-installer vulnerability https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules-2.6.24/+bug/323327 ========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.10 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 8.10: xorg-driver-fglrx 2:8.543-0ubuntu4.1 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: Marko Lindqvist discovered that the fglrx installer created an unsafe LD_LIBRARY_PATH on 64bit systems. If a user were tricked into downloading specially crafted libraries and running commands in the same directory, a remote attacker could execute arbitrary code with user privileges. Updated packages for Ubuntu 8.10: Source archives: Size/MD5: 26000 8fd05a4ab9e9f04c59ed5b731bcacd8b Size/MD5: 1443 e7dee56d6c645ff3bce0c3093af205e3 Size/MD5: 47046692 6abc8e86f1a00168ba8f43d58f71cb69 amd64 architecture (Athlon64, Opteron, EM64T Xeon): Size/MD5: 10938 8f0014e73c06b1fd0e586359067641c7 Size/MD5: 846038 8982e97324d57a3db0072123d2406a56 Size/MD5: 6630112 72d48d2e40f3bb63b7ad9b66367d5dca Size/MD5: 1430276 cd88c1a040f050472b82406308e28ec5 Size/MD5: 83402 8b2fc26c7f1e2417613e543428d5b21f Size/MD5: 17264298 e26cff93ff7eb4cddede61ea41b81aee i386 architecture (x86 compatible Intel/AMD): Size/MD5: 10938 2fc0c5d1a8c799df60ee474b10e57e0a Size/MD5: 412474 c23a19c9e238b0cc8986b98910c0da9d Size/MD5: 6749062 80263acaf045f9a196d8a2486dc42969 Size/MD5: 1368946 18257688f659b91d95746e1b509edc5d Size/MD5: 78658 537cc59d4b86274114f0eeb5febdf283 Size/MD5: 11915472 d392662d6ecefae8992c12c0356b63fa . Critical security notice regarding the fglrx-installer on Ubuntu identifies a vulnerability that enables remote code execution through improperly managed environment variables.. fglrx Installer, Remote Code Execution, Unsafe Environment Variable. . Severity: Critical. LinuxSecurity.com Team

Feb 17, 2009 •Critical Ubuntu