Ubuntu 1723-1: Qt vulnerabilities

    Date14 Feb 2013
    CategoryUbuntu
    37
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Qt.
    ==========================================================================
    Ubuntu Security Notice USN-1723-1
    February 14, 2013
    
    qt4-x11 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Several security issues were fixed in Qt.
    
    Software Description:
    - qt4-x11: Qt 4 libraries
    
    Details:
    
    Richard J. Moore and Peter Hartmann discovered that Qt allowed redirecting
    requests from http to file schemes. If an attacker were able to perform a
    man-in-the-middle attack, this flaw could be exploited to view sensitive
    information. This issue only affected Ubuntu 11.10, Ubuntu 12.04 LTS,
    and Ubuntu 12.10. (CVE-2012-5624)
    
    Stephen Cheng discovered that Qt may report incorrect errors when ssl
    certificate verification fails. (CVE-2012-6093)
    
    Tim Brown and Mark Lowe discovered that Qt incorrectly used weak
    permissions on shared memory segments. A local attacker could use this
    issue to view sensitive information, or modify program data belonging to
    other users. (CVE-2013-0254)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.10:
      libqt4-core                     4:4.8.3+dfsg-0ubuntu3.1
      libqt4-network                  4:4.8.3+dfsg-0ubuntu3.1
    
    Ubuntu 12.04 LTS:
      libqt4-core                     4:4.8.1-0ubuntu4.4
      libqt4-network                  4:4.8.1-0ubuntu4.4
    
    Ubuntu 11.10:
      libqt4-core                     4:4.7.4-0ubuntu8.3
      libqt4-network                  4:4.7.4-0ubuntu8.3
    
    Ubuntu 10.04 LTS:
      libqt4-core                     4:4.6.2-0ubuntu5.6
      libqt4-network                  4:4.6.2-0ubuntu5.6
    
    After a standard system update you need to restart your session to make all
    the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1723-1
      CVE-2012-5624, CVE-2012-6093, CVE-2013-0254
    
    Package Information:
      https://launchpad.net/ubuntu/+source/qt4-x11/4:4.8.3+dfsg-0ubuntu3.1
      https://launchpad.net/ubuntu/+source/qt4-x11/4:4.8.1-0ubuntu4.4
      https://launchpad.net/ubuntu/+source/qt4-x11/4:4.7.4-0ubuntu8.3
      https://launchpad.net/ubuntu/+source/qt4-x11/4:4.6.2-0ubuntu5.6
    
    
    
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