Buffer overflow in Libxml2 - CVE-2015-8241
Published: December 15, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32290
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-8241
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
Libxml2
Libxml2
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.
How to mitigate CVE-2015-8241
Install update from vendor's website.
Sources
- 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.openwall.com/lists/oss-security/2015/11/17/5
- http://www.openwall.com/lists/oss-security/2015/11/18/23
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/77621
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2834-1
- https://bugzilla.gnome.org/show_bug.cgi?id=756263
- https://bugzilla.redhat.com/show_bug.cgi?id=1281936
- https://git.gnome.org/browse/libxml2/commit/?id=ab2b9a93ff19cedde7befbf2fcc48c6e352b6cbe
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172