SUSE SLES12 Security Update : ovmf (SUSE-SU-2020:0495-1)

high Nessus Plugin ID 134104

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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-2018-0739: Update openssl to 1.0.2o to limit ASN.1 constructed types recursive definition depth (bsc#1094291).

CVE-2019-14563: Fixed a memory corruption caused by insufficient numeric truncation (bsc#1163959).

CVE-2019-14559: Fixed a remotely exploitable memory leak in the ARP handling code (bsc#1163927).

CVE-2019-14575: Fixed an insufficient signature check in the DxeImageVerificationHandler (bsc#1163969).

Bug fixes: Only use SLES-UEFI-CA-Certificate-2048.crt for the SUSE flavor to provide the better compatibility. (bsc#1077330)

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 OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2020-495=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-495=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-495=1

SUSE Linux Enterprise Server 12-SP2-BCL:zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-495=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1077330

https://bugzilla.suse.com/show_bug.cgi?id=1094291

https://bugzilla.suse.com/show_bug.cgi?id=1163927

https://bugzilla.suse.com/show_bug.cgi?id=1163959

https://bugzilla.suse.com/show_bug.cgi?id=1163969

https://www.suse.com/security/cve/CVE-2018-0739/

https://www.suse.com/security/cve/CVE-2019-14559/

https://www.suse.com/security/cve/CVE-2019-14563/

https://www.suse.com/security/cve/CVE-2019-14575/

http://www.nessus.org/u?b70861ce

Plugin Details

Severity: High

ID: 134104

File Name: suse_SU-2020-0495-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/27/2020

Updated: 1/15/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2019-14575

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: 2/26/2020

Vulnerability Publication Date: 3/27/2018

Reference Information

CVE: CVE-2018-0739, CVE-2019-14559, CVE-2019-14563, CVE-2019-14575