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AUSCERT External Security Bulletin Redistribution
ESB-2018.3932
Security update for ovmf
20 December 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: ovmf
Publisher: SUSE
Operating System: SUSE
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
Reference: ESB-2018.3911
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20184194-1/
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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:
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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