Security update for ovmf

Announcement ID: SUSE-SU-2018:4155-1
Rating: moderate
References:
Cross-References:
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:
  • Server Applications Module 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

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:

  • Server Applications Module 15
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-2960=1

Package List:

  • Server Applications Module 15 (aarch64 x86_64)
    • ovmf-tools-2017+git1510945757.b2662641d5-5.11.1
    • ovmf-2017+git1510945757.b2662641d5-5.11.1
  • Server Applications Module 15 (noarch)
    • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-5.11.1
    • qemu-uefi-aarch64-2017+git1510945757.b2662641d5-5.11.1

References: