Ubuntu 1213-1: Thunderbird vulnerabilities

    Date28 Sep 2011
    Posted ByLinuxSecurity Advisories
    Multiple vulnerabilities were fixed in Thunderbird.
    Ubuntu Security Notice USN-1213-1
    September 28, 2011
    thunderbird vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 11.04
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    Multiple vulnerabilities were fixed in Thunderbird.
    Software Description:
    - thunderbird: Mozilla Open Source mail and newsgroup client
    Benjamin Smedberg, Bob Clary, Jesse Ruderman, and Josh Aas discovered
    multiple memory vulnerabilities in the Gecko rendering engine. An
    attacker could use these to possibly execute arbitrary code with the
    privileges of the user invoking Thunderbird. (CVE-2011-2995, CVE-2011-2996)
    Boris Zbarsky discovered that a frame named "location" could shadow the
    window.location object unless a script in a page grabbed a reference to the
    true object before the frame was created. This is in violation of the Same
    Origin Policy. A malicious E-Mail could possibly use this to access the
    local file system. (CVE-2011-2999)
    Mark Kaplan discovered an integer underflow in the SpiderMonkey JavaScript
    engine. An attacker could potentially use this to crash Thunderbird.
    Ian Graham discovered that when multiple Location headers were present,
    Thunderbird would use the second one resulting in a possible CRLF injection
    attack. CRLF injection issues can result in a wide variety of attacks, such
    as XSS (Cross-Site Scripting) vulnerabilities, browser cache poisoning, and
    cookie theft. (CVE-2011-3000)
    Mariusz Mlynski discovered that if the user could be convinced to hold down
    the enter key, a malicious website or E-Mail could potential pop up a
    download dialog and the default open action would be selected. This would
    result in potentially malicious content being run with privileges of the
    user invoking Thunderbird. (CVE-2011-2372)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 11.04:
      thunderbird                     3.1.15+build1+nobinonly-0ubuntu0.11.04.1
    Ubuntu 10.10:
      thunderbird                     3.1.15+build1+nobinonly-0ubuntu0.10.10.1
    Ubuntu 10.04 LTS:
      thunderbird                     3.1.15+build1+nobinonly-0ubuntu0.10.04.1
    After a standard system update you need to restart Thunderbird to make
    all the necessary changes.
      CVE-2011-2372, CVE-2011-2995, CVE-2011-2996, CVE-2011-2999,
    Package Information:

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