SUSE SLES15 Security Update : ovmf (SUSE-SU-2018:4155-1)

Medium Nessus Plugin ID 120188

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 Module for Server Applications 15:zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-2960=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?5efaacfc

Plugin Details

Severity: Medium

ID: 120188

File Name: suse_SU-2018-4155-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2019/01/02

Updated: 2019/09/10

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.6

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

CVSS v3.0

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ovmf, p-cpe:/a:novell:suse_linux:ovmf-tools, cpe:/o:novell:suse_linux:15

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

Patch Publication Date: 2018/12/17

Vulnerability Publication Date: 2019/03/27

Reference Information

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