Buffer overflow in Libxml2 - CVE-2015-8241
Published: December 15, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32290
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2015-8241
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 #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.
Affected software
Libxml2
Amazon Linux AMI
libxml2 (Alpine package)
Amazon Linux AMI
libxml2 (Alpine package)
How to mitigate CVE-2015-8241
Install update from vendor's website.
libxml2 (Alpine package) - update to 2.9.1-r4
External References
- 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