SUSE SLED12 / SLES12 Security Update : expat (SUSE-SU-2017:0424-1)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

This update for expat fixes the following security issues :

- CVE-2012-6702: Expat, when used in a parser that has not
called XML_SetHashSalt or passed it a seed of 0, made it
easier for context-dependent attackers to defeat
cryptographic protection mechanisms via vectors
involving use of the srand function. (bsc#983215)

- CVE-2016-5300: The XML parser in Expat did not use
sufficient entropy for hash initialization, which
allowed context-dependent attackers to cause a denial of
service (CPU consumption) via crafted identifiers in an
XML document. NOTE: this vulnerability exists because of
an incomplete fix for CVE-2012-0876. (bsc#983216)

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.

See also :

https://bugzilla.suse.com/983215
https://bugzilla.suse.com/983216
https://www.suse.com/security/cve/CVE-2012-6702.html
https://www.suse.com/security/cve/CVE-2016-5300.html
http://www.nessus.org/u?3450b012

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-SP2:zypper in -t
patch SUSE-SLE-SDK-12-SP2-2017-212=1

SUSE Linux Enterprise Software Development Kit 12-SP1:zypper in -t
patch SUSE-SLE-SDK-12-SP1-2017-212=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t
patch SUSE-SLE-RPI-12-SP2-2017-212=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch
SUSE-SLE-SERVER-12-SP2-2017-212=1

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch
SUSE-SLE-SERVER-12-SP1-2017-212=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP2-2017-212=1

SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP1-2017-212=1

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

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 97080 ()

Bugtraq ID: 52379

CVE ID: CVE-2012-0876
CVE-2012-6702
CVE-2016-5300

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