Security update for ovmf

SUSE Security Update: Security update for ovmf
Announcement ID: SUSE-SU-2019:0579-1
Rating: important
References: #1127820 #1127821 #1127822
Cross-References: CVE-2018-12178 CVE-2018-12180 CVE-2018-3630
Affected Products:
  • SUSE Linux Enterprise Server 12-SP3

An update that fixes three vulnerabilities is now available.

Description:

This update for ovmf fixes the following issues:
Security issues fixed:

  • CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could lead to memory read/write overrun (bsc#1127820).
  • CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS packet (bsc#1127821).
  • CVE-2018-3630: Fixed a logic error in FV parsing which could allow a local attacker to bypass the chain of trust checks (bsc#1127822).

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-SP3:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-579=1

Package List:

  • SUSE Linux Enterprise Server 12-SP3 (aarch64 x86_64):
    • ovmf-2017+git1492060560.b6d11d7c46-4.20.1
    • ovmf-tools-2017+git1492060560.b6d11d7c46-4.20.1
  • SUSE Linux Enterprise Server 12-SP3 (noarch):
    • qemu-ovmf-x86_64-2017+git1492060560.b6d11d7c46-4.20.1
    • qemu-uefi-aarch64-2017+git1492060560.b6d11d7c46-4.20.1

References: