Security update for LibVNCServer

Announcement ID:	SUSE-SU-2015:2110-1
Rating:	moderate
References:	bsc#897031
Cross-References:	CVE-2014-6051 CVE-2014-6052 CVE-2014-6053 CVE-2014-6054 CVE-2014-6055
CVSS scores:
Affected Products:	SLES for SAP Applications 11-SP3 SLES for SAP Applications 11-SP4 SUSE Linux Enterprise Desktop 11 SP3 SUSE Linux Enterprise Desktop 11 SP4 SUSE Linux Enterprise Server 11 SP3 SUSE Linux Enterprise Server 11 SP3 for VMware 11-SP3 SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP3 SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves five vulnerabilities can now be installed.

Description:

The libvncserver package was updated to fix the following security issues:

• bsc#897031: fix several security issues:
• CVE-2014-6051: Integer overflow in MallocFrameBuffer() on client side.
• CVE-2014-6052: Lack of malloc() return value checking on client side.
• CVE-2014-6053: Server crash on a very large ClientCutText message.
• CVE-2014-6054: Server crash when scaling factor is set to zero.
• CVE-2014-6055: Multiple stack overflows in File Transfer feature.

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 Desktop 11 SP3
  zypper in -t patch sledsp3-libvncserver-12227=1
• SUSE Linux Enterprise Desktop 11 SP4
  zypper in -t patch sledsp4-libvncserver-12227=1
• SUSE Linux Enterprise Server 11 SP3 for VMware 11-SP3
  zypper in -t patch slessp3-libvncserver-12227=1
• SUSE Linux Enterprise Server 11 SP3
  zypper in -t patch slessp3-libvncserver-12227=1
• SLES for SAP Applications 11-SP3
  zypper in -t patch slessp3-libvncserver-12227=1
• SUSE Linux Enterprise Software Development Kit 11 SP3
  zypper in -t patch sdksp3-libvncserver-12227=1
• SUSE Linux Enterprise Software Development Kit 11 SP4
  zypper in -t patch sdksp4-libvncserver-12227=1
• SUSE Linux Enterprise Server 11 SP4
  zypper in -t patch slessp4-libvncserver-12227=1
• SLES for SAP Applications 11-SP4
  zypper in -t patch slessp4-libvncserver-12227=1

Package List:

• SUSE Linux Enterprise Desktop 11 SP3 (x86_64 i586)
  • LibVNCServer-0.9.1-156.1
• SUSE Linux Enterprise Desktop 11 SP4 (x86_64 i586)
  • LibVNCServer-0.9.1-156.1
• SUSE Linux Enterprise Server 11 SP3 for VMware 11-SP3 (x86_64 i586)
  • LibVNCServer-0.9.1-156.1
• SUSE Linux Enterprise Server 11 SP3 (s390x x86_64 i586 ppc64 ia64)
  • LibVNCServer-0.9.1-156.1
• SLES for SAP Applications 11-SP3 (x86_64)
  • LibVNCServer-0.9.1-156.1
• SUSE Linux Enterprise Software Development Kit 11 SP3 (s390x x86_64 i586 ppc64 ia64)
  • LibVNCServer-devel-0.9.1-156.1
• SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • LibVNCServer-devel-0.9.1-156.1
• SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • LibVNCServer-0.9.1-156.1
• SLES for SAP Applications 11-SP4 (ppc64 x86_64)
  • LibVNCServer-0.9.1-156.1

References:

• https://www.suse.com/security/cve/CVE-2014-6051.html
• https://www.suse.com/security/cve/CVE-2014-6052.html
• https://www.suse.com/security/cve/CVE-2014-6053.html
• https://www.suse.com/security/cve/CVE-2014-6054.html
• https://www.suse.com/security/cve/CVE-2014-6055.html
• https://bugzilla.suse.com/show_bug.cgi?id=897031