Buffer overflow in Libxml2 - CVE-2015-8710
Published: April 12, 2016 / Updated: July 18, 2020
Vulnerability identifier: #VU31458
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8710
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of service (out-of-bounds heap memory access and application crash), or possibly have unspecified other impact via an unclosed HTML comment.
Affected software
Libxml2
How to mitigate CVE-2015-8710
Install update from vendor's website.
Libxml2 - update to 2.9.3
External References
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.debian.org/security/2015/dsa-3430
- http://www.openwall.com/lists/oss-security/2015/04/19/4
- http://www.openwall.com/lists/oss-security/2015/09/13/1
- http://www.openwall.com/lists/oss-security/2015/12/31/7
- http://www.securityfocus.com/bid/79811
- https://bugzilla.gnome.org/show_bug.cgi?id=746048
- https://git.gnome.org/browse/libxml2/commit/?id=e724879d964d774df9b7969fc846605aa1bac54c
- https://hackerone.com/reports/57125#activity-384861