Ubuntu 1463-4: Thunderbird vulnerabilities

    Date22 Jun 2012
    CategoryUbuntu
    107
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Thunderbird.
    ==========================================================================
    Ubuntu Security Notice USN-1463-4
    June 22, 2012
    
    thunderbird vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Several security issues were fixed in Thunderbird.
    
    Software Description:
    - thunderbird: Mozilla Open Source mail and newsgroup client
    
    Details:
    
    USN-1463-1 fixed vulnerabilities in Firefox. This update provides the
    corresponding fixes for Thunderbird.
    
    Original advisory details:
    
     Jesse Ruderman, Igor Bukanov, Bill McCloskey, Christian Holler, Andrew
     McCreight, Olli Pettay, Boris Zbarsky, and Brian Bondy discovered memory
     safety issues affecting Firefox. If the user were tricked into opening a
     specially crafted page, an attacker could possibly exploit these to cause a
     denial of service via application crash, or potentially execute code with
     the privileges of the user invoking Firefox. (CVE-2012-1937, CVE-2012-1938)
     
     It was discovered that Mozilla's WebGL implementation exposed a bug in
     certain NVIDIA graphics drivers. The impact of this issue has not been
     disclosed at this time. (CVE-2011-3101)
     
     Adam Barth discovered that certain inline event handlers were not being
     blocked properly by the Content Security Policy's (CSP) inline-script
     blocking feature. Web applications relying on this feature of CSP to
     protect against cross-site scripting (XSS) were not fully protected. With
     cross-site scripting vulnerabilities, if a user were tricked into viewing a
     specially crafted page, a remote attacker could exploit this to modify the
     contents, or steal confidential data, within the same domain.
     (CVE-2012-1944)
     
     Paul Stone discovered that a viewed HTML page hosted on a Windows or Samba
     share could load Windows shortcut files (.lnk) in the same share. These
     shortcut files could then link to arbitrary locations on the local file
     system of the individual loading the HTML page. An attacker could
     potentially use this vulnerability to show the contents of these linked
     files or directories in an iframe, resulting in information disclosure.
     (CVE-2012-1945)
     
     Arthur Gerkis discovered a use-after-free vulnerability while
     replacing/inserting a node in a document. If the user were tricked into
     opening a specially crafted page, an attacker could possibly exploit this
     to cause a denial of service via application crash, or potentially execute
     code with the privileges of the user invoking Firefox. (CVE-2012-1946)
     
     Kaspar Brand discovered a vulnerability in how the Network Security
     Services (NSS) ASN.1 decoder handles zero length items. If the user were
     tricked into opening a specially crafted page, an attacker could possibly
     exploit this to cause a denial of service via application crash.
     (CVE-2012-0441)
     
     Abhishek Arya discovered two buffer overflow and one use-after-free
     vulnerabilities. If the user were tricked into opening a specially crafted
     page, an attacker could possibly exploit these to cause a denial of service
     via application crash, or potentially execute code with the privileges of
     the user invoking Firefox. (CVE-2012-1940, CVE-2012-1941, CVE-2012-1947)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      thunderbird                     13.0.1+build1-0ubuntu0.12.04.1
    
    Ubuntu 11.10:
      thunderbird                     13.0.1+build1-0ubuntu0.11.10.1
    
    Ubuntu 10.04 LTS:
      thunderbird                     13.0.1+build1-0ubuntu0.10.04.1
    
    After a standard system update you need to restart Thunderbird to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1463-4
      http://www.ubuntu.com/usn/usn-1463-1
      CVE-2011-3101, CVE-2012-0441, CVE-2012-1937, CVE-2012-1938,
      CVE-2012-1940, CVE-2012-1941, CVE-2012-1944, CVE-2012-1945,
      CVE-2012-1946, CVE-2012-1947, https://launchpad.net/bugs/1007556
    
    Package Information:
      https://launchpad.net/ubuntu/+source/thunderbird/13.0.1+build1-0ubuntu0.12.04.1
      https://launchpad.net/ubuntu/+source/thunderbird/13.0.1+build1-0ubuntu0.11.10.1
      https://launchpad.net/ubuntu/+source/thunderbird/13.0.1+build1-0ubuntu0.10.04.1
    
    
    
    
    
    
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