Ubuntu 1367-2: Firefox vulnerability

    Date17 Feb 2012
    CategoryUbuntu
    23
    Posted ByLinuxSecurity Advisories
    Firefox could be made to crash or run programs as your login if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-1367-2
    February 17, 2012
    
    firefox vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    - Ubuntu 11.04
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Firefox could be made to crash or run programs as your login if it opened a
    specially crafted file.
    
    Software Description:
    - firefox: Mozilla Open Source web browser
    
    Details:
    
    USN-1367-1 fixed vulnerabilities in libpng. This provides the corresponding
    update for Firefox.
    
    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 11.10:
      firefox                         10.0.2+build1-0ubuntu0.11.10.1
    
    Ubuntu 11.04:
      firefox                         10.0.2+build1-0ubuntu0.11.04.1
    
    Ubuntu 10.10:
      firefox                         10.0.2+build1-0ubuntu0.10.10.1
    
    Ubuntu 10.04 LTS:
      firefox                         10.0.2+build1-0ubuntu0.10.04.1
    
    After a standard system update you need to restart Firefox to make all the
    necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1367-2
      http://www.ubuntu.com/usn/usn-1367-1
      CVE-2011-3026, https://launchpad.net/bugs/933293
    
    Package Information:
      https://launchpad.net/ubuntu/+source/firefox/10.0.2+build1-0ubuntu0.11.10.1
      https://launchpad.net/ubuntu/+source/firefox/10.0.2+build1-0ubuntu0.11.04.1
      https://launchpad.net/ubuntu/+source/firefox/10.0.2+build1-0ubuntu0.10.10.1
      https://launchpad.net/ubuntu/+source/firefox/10.0.2+build1-0ubuntu0.10.04.1
    
    
    
    
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