SUSE SLES12 Security Update : ovmf (SUSE-SU-2018:4194-1)

high Nessus Plugin ID 119808

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Synopsis

The remote SUSE host is missing one or more security updates.

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)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1115916

https://bugzilla.suse.com/show_bug.cgi?id=1115917

https://bugzilla.suse.com/show_bug.cgi?id=1117998

https://www.suse.com/security/cve/CVE-2017-5731/

https://www.suse.com/security/cve/CVE-2017-5732/

https://www.suse.com/security/cve/CVE-2017-5733/

https://www.suse.com/security/cve/CVE-2017-5734/

https://www.suse.com/security/cve/CVE-2017-5735/

https://www.suse.com/security/cve/CVE-2018-3613/

http://www.nessus.org/u?98d02614

Plugin Details

Severity: High

ID: 119808

File Name: suse_SU-2018-4194-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 12/20/2018

Updated: 5/31/2022

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2017-5735

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ovmf, p-cpe:/a:novell:suse_linux:ovmf-tools, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/19/2018

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2017-5731, CVE-2017-5732, CVE-2017-5733, CVE-2017-5734, CVE-2017-5735, CVE-2018-3613