SUSE SLED12 / SLES12 Security Update : libXfont (SUSE-SU-2018:0334-1)

high Nessus Plugin ID 106576

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Synopsis

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

Description

This update for libXfont fixes several issues. These security issues were fixed :

- CVE-2017-13720: Improper check for end of string in PatterMatch caused invalid reads (bsc#1054285)

- CVE-2017-13722: Malformed PCF file could have caused DoS or leak information (bsc#1049692)

- Prevent the X server from accessing arbitrary files as root. It is not possible to leak information, but special files can be touched allowing for causing side effects (bsc#1050459)

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-230=1

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2018-230=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2018-230=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-230=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-230=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-230=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2018-230=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1049692

https://bugzilla.suse.com/show_bug.cgi?id=1050459

https://bugzilla.suse.com/show_bug.cgi?id=1054285

https://www.suse.com/security/cve/CVE-2017-13720/

https://www.suse.com/security/cve/CVE-2017-13722/

http://www.nessus.org/u?8e5ab0cd

Plugin Details

Severity: High

ID: 106576

File Name: suse_SU-2018-0334-1.nasl

Version: 3.5

Type: local

Agent: unix

Published: 2/2/2018

Updated: 9/10/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libxfont-debugsource, p-cpe:/a:novell:suse_linux:libxfont1-debuginfo, p-cpe:/a:novell:suse_linux:libxfont1

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: 2/1/2018

Vulnerability Publication Date: 10/11/2017

Reference Information

CVE: CVE-2017-13720, CVE-2017-13722