#VU32387 Heap-based buffer overflow in Libxml2 - CVE-2015-7497
Published: December 15, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32387
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-7497
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Libxml2
Libxml2
Software vendor:
Gnome Development Team
Gnome Development Team
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3. A remote attacker can use unspecified vectors. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Update to version 2.9.3.
External links
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- http://marc.info/?l=bugtraq&m=145382616617563&w=2
- http://rhn.redhat.com/errata/RHSA-2015-2549.html
- http://rhn.redhat.com/errata/RHSA-2015-2550.html
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.debian.org/security/2015/dsa-3430
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/79508
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2834-1
- http://xmlsoft.org/news.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1281862
- https://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
- https://security.gentoo.org/glsa/201701-37