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Ubuntu: 1367-4 Critical: Xulrunner Application Crash Exploit

Xulrunner based applications could be made to crash or run programs as your login if they opened a specially crafted file.. 1=========================================================================Ubuntu Security Notice USN-1367-4 February 17, 2012 xulrunner-1.9.2 vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 10.10 - Ubuntu 10.04 LTS Summary: Xulrunner based applications could be made to crash or run programs as your login if they opened a specially crafted file. Software Description: - xulrunner-1.9.2: Mozilla Gecko runtime environment Details: USN-1367-1 fixed vulnerabilities in libpng. This provides the corresponding update for Xulrunner. Original advisory details: 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 10.10: xulrunner-1.9.2 1.9.2.27+build1+nobinonly-0ubuntu0.10.10.1 Ubuntu 10.04 LTS: xulrunner-1.9.2 1.9.2.27+build1+nobinonly-0ubuntu0.10.04.1 After a standard system update you need to restart any application based on Xulrunner such as Yelp or Conkeror to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-1367-4 https://ubuntu.com/security/notices/USN-1367-1 CVE-2011-3026, https://bugs.launchpad.net/ubuntu/+source/xulrunner-1.9.2/+bug/934073 Package Information: https://launchpad.net/ubuntu/+source/xulrunner-1.9.2/1.9.2.27+build1+nobinonly-0ubuntu0.10.10.1 https://launchpad.net/ubuntu/+source/xulrunner-1.9.2/1.9.2.27+build1+nobinonly-0ubuntu0.10.04.1 . Mitigating the Raptor issue in Fedora releases 25 and 26 to bolster system integrity.. Xulrunner Vulnerability, Ubuntu Security, Application Exploit. . Severity: Critical. LinuxSecurity.com Team

Feb 17, 2012 •Critical Ubuntu