Security update for xorg-x11-server

SUSE Security Update: Security update for xorg-x11-server
Announcement ID: SUSE-SU-2017:3025-1
Rating: moderate
References: #1025084 #1051150 #1063034 #1063035 #1063037 #1063038 #1063039 #1063040 #1063041
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 11-SP4
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP4
    		•

    An update that fixes 13 vulnerabilities is now available.

    Description:

    This update for xorg-x11-server provides several fixes.

    These security issues were fixed:

    - CVE-2017-13723: Prevent local DoS via unusual characters in XkbAtomText
    and XkbStringText (bsc#1051150).
    - Improve the entropy when generating random data used in X.org server
    authorization cookies generation by using getentropy() and getrandom()
    when available (bsc#1025084)
    - CVE-2017-12184,CVE-2017-12185,CVE-2017-12186,CVE-2017-12187: Fixed
    unvalidated lengths in multiple extensions (bsc#1063034)
    - CVE-2017-12183: Fixed some unvalidated lengths in the XFIXES extension.
    (bsc#1063035)
    - CVE-2017-12180,CVE-2017-12181,CVE-2017-12182: Fixed various unvalidated
    lengths in the XFree86-VidMode/XFree86-DGA/XFree86-DRI extensions
    (bsc#1063037)
    - CVE-2017-12179: Fixed an integer overflow and unvalidated length in
    (S)ProcXIBarrierReleasePointer in Xi (bsc#1063038)
    - CVE-2017-12178: Fixed a wrong extra length check in
    ProcXIChangeHierarchy in Xi (bsc#1063039)
    - CVE-2017-12177: Fixed an unvalidated variable-length request in
    ProcDbeGetVisualInfo (bsc#1063040)
    - CVE-2017-12176: Fixed an unvalidated extra length in
    ProcEstablishConnection (bsc#1063041)

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Software Development Kit 11-SP4:
      zypper in -t patch sdksp4-xorg-x11-server-13345=1
    • SUSE Linux Enterprise Server 11-SP4:
      zypper in -t patch slessp4-xorg-x11-server-13345=1
    • SUSE Linux Enterprise Debuginfo 11-SP4:
      zypper in -t patch dbgsp4-xorg-x11-server-13345=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • xorg-x11-server-sdk-7.4-27.122.16.1
    • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • xorg-x11-Xvnc-7.4-27.122.16.1
      • xorg-x11-server-7.4-27.122.16.1
      • xorg-x11-server-extra-7.4-27.122.16.1
    • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • xorg-x11-server-debuginfo-7.4-27.122.16.1
      • xorg-x11-server-debugsource-7.4-27.122.16.1

    References: