Security update for xorg-x11-server

Announcement ID:	SUSE-SU-2017:3025-1
Rating:	moderate
References:	bsc#1025084 bsc#1051150 bsc#1063034 bsc#1063035 bsc#1063037 bsc#1063038 bsc#1063039 bsc#1063040 bsc#1063041
Cross-References:	CVE-2017-12176 CVE-2017-12177 CVE-2017-12178 CVE-2017-12179 CVE-2017-12180 CVE-2017-12181 CVE-2017-12182 CVE-2017-12183 CVE-2017-12184 CVE-2017-12185 CVE-2017-12186 CVE-2017-12187 CVE-2017-13723
CVSS scores:	CVE-2017-12176 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12176 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12177 ( SUSE ): 5.6 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVE-2017-12177 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12178 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12178 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12179 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12179 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12180 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12180 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12181 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12181 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12182 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12182 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12183 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12183 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12184 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12184 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12185 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12185 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12186 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12186 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12187 ( SUSE ): 5.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2017-12187 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-13723 ( SUSE ): 4.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2017-13723 ( NVD ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SLES for SAP Applications 11-SP4 SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves 13 vulnerabilities can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
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
• SLES for SAP Applications 11-SP4
  zypper in -t patch slessp4-xorg-x11-server-13345=1

Package List:

• SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • xorg-x11-server-sdk-7.4-27.122.16.1
• SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • xorg-x11-server-extra-7.4-27.122.16.1
  • xorg-x11-server-7.4-27.122.16.1
  • xorg-x11-Xvnc-7.4-27.122.16.1
• SLES for SAP Applications 11-SP4 (ppc64 x86_64)
  • xorg-x11-server-extra-7.4-27.122.16.1
  • xorg-x11-server-7.4-27.122.16.1
  • xorg-x11-Xvnc-7.4-27.122.16.1

References:

• https://www.suse.com/security/cve/CVE-2017-12176.html
• https://www.suse.com/security/cve/CVE-2017-12177.html
• https://www.suse.com/security/cve/CVE-2017-12178.html
• https://www.suse.com/security/cve/CVE-2017-12179.html
• https://www.suse.com/security/cve/CVE-2017-12180.html
• https://www.suse.com/security/cve/CVE-2017-12181.html
• https://www.suse.com/security/cve/CVE-2017-12182.html
• https://www.suse.com/security/cve/CVE-2017-12183.html
• https://www.suse.com/security/cve/CVE-2017-12184.html
• https://www.suse.com/security/cve/CVE-2017-12185.html
• https://www.suse.com/security/cve/CVE-2017-12186.html
• https://www.suse.com/security/cve/CVE-2017-12187.html
• https://www.suse.com/security/cve/CVE-2017-13723.html
• https://bugzilla.suse.com/show_bug.cgi?id=1025084
• https://bugzilla.suse.com/show_bug.cgi?id=1051150
• https://bugzilla.suse.com/show_bug.cgi?id=1063034
• https://bugzilla.suse.com/show_bug.cgi?id=1063035
• https://bugzilla.suse.com/show_bug.cgi?id=1063037
• https://bugzilla.suse.com/show_bug.cgi?id=1063038
• https://bugzilla.suse.com/show_bug.cgi?id=1063039
• https://bugzilla.suse.com/show_bug.cgi?id=1063040
• https://bugzilla.suse.com/show_bug.cgi?id=1063041