Security update for xorg-x11-server

Announcement ID: SUSE-SU-2017:1850-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2017-10971 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2017-10972 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves two vulnerabilities can now be installed.

Description:

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

  • CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. (bnc#1035283)
  • Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range.
  • CVE-2017-10972: Initialize the xEvent eventT with zeros to avoid information leakage.

Special Instructions and Notes:

  • Please log out and log in again after installing this update.

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 Point of Service 11 SP3
    zypper in -t patch sleposp3-xorg-x11-server-13206=1
  • SUSE Linux Enterprise Software Development Kit 11 SP4
    zypper in -t patch sdksp4-xorg-x11-server-13206=1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
    zypper in -t patch slessp3-xorg-x11-server-13206=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-xorg-x11-server-13206=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-xorg-x11-server-13206=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • xorg-x11-server-7.4-27.121.2
    • xorg-x11-Xvnc-7.4-27.121.2
    • xorg-x11-server-extra-7.4-27.121.2
  • SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • xorg-x11-server-sdk-7.4-27.121.2
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3 (s390x x86_64 i586)
    • xorg-x11-server-7.4-27.121.2
    • xorg-x11-Xvnc-7.4-27.121.2
    • xorg-x11-server-extra-7.4-27.121.2
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • xorg-x11-server-7.4-27.121.2
    • xorg-x11-Xvnc-7.4-27.121.2
    • xorg-x11-server-extra-7.4-27.121.2
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • xorg-x11-server-7.4-27.121.2
    • xorg-x11-Xvnc-7.4-27.121.2
    • xorg-x11-server-extra-7.4-27.121.2

References: