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Test ID:1.3.6.1.4.1.25623.1.0.851931
Category:SuSE Local Security Checks
Title:SuSE Update for libxml2 openSUSE-SU-2018:3107-1 (libxml2)
Summary:The remote host is missing an update for the 'libxml2'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'libxml2'
package(s) announced via the referenced advisory.

Vulnerability Insight:
This update for libxml2 fixes the following security issues:

- CVE-2018-9251: The xz_decomp function allowed remote attackers to cause
a denial of service (infinite loop) via a crafted XML file that triggers
LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279).

- CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted
XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint
(bsc#1105166).

- CVE-2018-14404: Prevent NULL pointer dereference in the
xmlXPathCompOpEval() function when parsing an invalid XPath expression
in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service
attack (bsc#1102046).

- CVE-2017-18258: The xz_head function allowed remote attackers to cause a
denial of service (memory consumption) via a crafted LZMA file, because
the decoder functionality did not restrict memory usage to what is
required for a legitimate file (bsc#1088601).

This update was imported from the SUSE:SLE-12-SP2:Update update project.


Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2018-1149=1

Affected Software/OS:
libxml2 on openSUSE Leap 42.3

Solution:
Please install the updated packages.

CVSS Score:
5.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-9251
https://bugzilla.gnome.org/show_bug.cgi?id=794914
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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