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AUSCERT External Security Bulletin Redistribution
ESB-2018.3911
Security update for ovmf
18 December 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: ovmf
Publisher: SUSE
Operating System: SUSE
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-3613 CVE-2017-5735 CVE-2017-5734
CVE-2017-5733 CVE-2017-5732 CVE-2017-5731
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20184155-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running ovmf check for an updated version of the software for their
operating system.
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SUSE Security Update: Security update for ovmf
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:4155-1
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 Module for Server Applications 15
______________________________________________________________________________
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 Module for Server Applications 15:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-2960=1
Package List:
- SUSE Linux Enterprise Module for Server Applications 15 (aarch64 x86_64):
ovmf-2017+git1510945757.b2662641d5-5.11.1
ovmf-tools-2017+git1510945757.b2662641d5-5.11.1
- SUSE Linux Enterprise Module for Server Applications 15 (noarch):
qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-5.11.1
qemu-uefi-aarch64-2017+git1510945757.b2662641d5-5.11.1
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/1115916
https://bugzilla.suse.com/1115917
https://bugzilla.suse.com/1117998
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