Security update for ovmf

Announcement ID:	SUSE-SU-2018:4194-1
Rating:	moderate
References:	bsc#1115916 bsc#1115917 bsc#1117998
Cross-References:	CVE-2017-5731 CVE-2017-5732 CVE-2017-5733 CVE-2017-5734 CVE-2017-5735 CVE-2018-3613
CVSS scores:	CVE-2017-5731 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2018-3613 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2018-3613 ( NVD ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4

An update that solves six vulnerabilities can now be installed.

Description:

This update for ovmf fixes the following issues:

Security issues fixed:

• CVE-2018-3613: Fixed AuthVariable Timestamp zeroing issue on APPEND_WRITE (bsc#1115916).
• CVE-2017-5731: Fixed privilege escalation via processing of malformed files in TianoCompress.c (bsc#1115917).
• CVE-2017-5732: Fixed privilege escalation via processing of malformed files in BaseUefiDecompressLib.c (bsc#1115917).
• CVE-2017-5733: Fixed privilege escalation via heap-based buffer overflow in MakeTable() function (bsc#1115917).
• CVE-2017-5734: Fixed privilege escalation via stack-based buffer overflow in MakeTable() function (bsc#1115917).
• CVE-2017-5735: Fixed privilege escalation via heap-based buffer overflow in Decode() function (bsc#1115917).

Non security issues fixed:

• Fixed an issue with the default owner of PK/KEK/db/dbx and make the auto-enrollment only happen at the very first time. (bsc#1117998)

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 12 SP4
  zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2018-2989=1
• SUSE Linux Enterprise High Performance Computing 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2018-2989=1
• SUSE Linux Enterprise Server 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2018-2989=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2018-2989=1

Package List:

• SUSE Linux Enterprise Desktop 12 SP4 (noarch)
  • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.5.1
• SUSE Linux Enterprise High Performance Computing 12 SP4 (aarch64 x86_64)
  • ovmf-2017+git1510945757.b2662641d5-3.5.1
  • ovmf-tools-2017+git1510945757.b2662641d5-3.5.1
• SUSE Linux Enterprise High Performance Computing 12 SP4 (noarch)
  • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.5.1
  • qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.5.1
• SUSE Linux Enterprise Server 12 SP4 (aarch64 x86_64)
  • ovmf-2017+git1510945757.b2662641d5-3.5.1
  • ovmf-tools-2017+git1510945757.b2662641d5-3.5.1
• SUSE Linux Enterprise Server 12 SP4 (noarch)
  • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.5.1
  • qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.5.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
  • ovmf-2017+git1510945757.b2662641d5-3.5.1
  • ovmf-tools-2017+git1510945757.b2662641d5-3.5.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (noarch)
  • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.5.1

References:

• https://www.suse.com/security/cve/CVE-2017-5731.html
• https://www.suse.com/security/cve/CVE-2017-5732.html
• https://www.suse.com/security/cve/CVE-2017-5733.html
• https://www.suse.com/security/cve/CVE-2017-5734.html
• https://www.suse.com/security/cve/CVE-2017-5735.html
• https://www.suse.com/security/cve/CVE-2018-3613.html
• https://bugzilla.suse.com/show_bug.cgi?id=1115916
• https://bugzilla.suse.com/show_bug.cgi?id=1115917
• https://bugzilla.suse.com/show_bug.cgi?id=1117998