Security update for xorg-x11-server

Announcement ID: SUSE-SU-2017:1741-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2017-2624 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
  • CVE-2017-2624 ( NVD ): 7.0 CVSS:3.0/AV:L/AC:H/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 one vulnerability and has four security fixes can now be installed.

Description:

This update for xorg-x11-server fixes the following issues:

Security issues:

  • CVE-2017-2624: Prevent timing attack against MIT cookie. (bsc#1025029, CVE-2017-2624)

Non security issues:

  • Use arc4random to generate cookies. (bsc#1025084)
  • XDrawArc performance improvement (bsc#1019649)
  • Fix byte swapping for gradeint stops (bsc#981044).
  • Remove unused function with use-after-free issue. (bsc#1025035)

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-13186=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-xorg-x11-server-13186=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-xorg-x11-server-13186=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • xorg-x11-server-sdk-7.4-27.118.1
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • xorg-x11-server-extra-7.4-27.118.1
    • xorg-x11-server-7.4-27.118.1
    • xorg-x11-Xvnc-7.4-27.118.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • xorg-x11-server-extra-7.4-27.118.1
    • xorg-x11-server-7.4-27.118.1
    • xorg-x11-Xvnc-7.4-27.118.1

References: