Vulnerability identifier: #VU32381
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Libxml2
Universal components / Libraries /
Libraries used by multiple products
Vendor: Gnome Development Team
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Libxml2: 6.0.19
External links
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://www.debian.org/security/2015/dsa-3430
http://www.openwall.com/lists/oss-security/2015/11/02/2
http://www.openwall.com/lists/oss-security/2015/11/02/4
http://www.openwall.com/lists/oss-security/2015/11/03/1
http://www.securityfocus.com/bid/77390
http://www.securitytracker.com/id/1034243
http://www.ubuntu.com/usn/USN-2812-1
http://xmlsoft.org/news.html
http://bugzilla.gnome.org/show_bug.cgi?id=757466
http://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
http://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
http://security.gentoo.org/glsa/201701-37
http://support.apple.com/HT206166
http://support.apple.com/HT206167
http://support.apple.com/HT206168
http://support.apple.com/HT206169
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.