#VU32381 Resource management error in Libxml2


Published: 2015-11-18 | Updated: 2020-07-28

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: CVE-2015-8035

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


Q & A

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.


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