Security update for ovmf

SUSE Security Update: Security update for ovmf
Announcement ID: SUSE-SU-2018:4194-1
Rating: moderate
References: #1115916 #1115917 #1117998
Cross-References: CVE-2017-5731 CVE-2017-5732 CVE-2017-5733 CVE-2017-5734 CVE-2017-5735 CVE-2018-3613
Affected Products:
  • SUSE Linux Enterprise Server 12-SP4
  • SUSE Linux Enterprise Desktop 12-SP4

An update that fixes 6 vulnerabilities is now available.

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 Security 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 Server 12-SP4:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-2018-2989=1
  • SUSE Linux Enterprise Desktop 12-SP4:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2018-2989=1

Package List:

  • 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 Desktop 12-SP4 (noarch):
    • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.5.1

References: