Security update for LibVNCServer

SUSE Security Update: Security update for LibVNCServer
Announcement ID: SUSE-SU-2017:0104-1
Rating: important
References: #1017711 #1017712
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 two vulnerabilities is now available.

    Description:


    LibVNCServer was updated to fix two security issues.

    These security issues were fixed:

    - CVE-2016-9941: Heap-based buffer overflow in rfbproto.c allowed remote
    servers to cause a denial of service (application crash) or possibly
    execute arbitrary code via a crafted FramebufferUpdate message
    containing a subrectangle outside of the client drawing area
    (bsc#1017711)
    - CVE-2016-9942: Heap-based buffer overflow in ultra.c allowed remote
    servers to cause a denial of service (application crash) or possibly
    execute arbitrary code via a crafted FramebufferUpdate message with the
    Ultra type tile, such that the LZO payload decompressed length exceeds
    what is specified by the tile dimensions (bsc#1017712)

    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-LibVNCServer-12932=1
    • SUSE Linux Enterprise Server 11-SP4:
      zypper in -t patch slessp4-LibVNCServer-12932=1
    • SUSE Linux Enterprise Debuginfo 11-SP4:
      zypper in -t patch dbgsp4-LibVNCServer-12932=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):
      • LibVNCServer-devel-0.9.1-159.1
    • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • LibVNCServer-0.9.1-159.1
    • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • LibVNCServer-debuginfo-0.9.1-159.1
      • LibVNCServer-debugsource-0.9.1-159.1

    References: