SB2011090203 - Heap-based buffer overflow in Libxml2
Published: September 2, 2011 Updated: July 28, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2011-1944)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier,. A remote attacker can use a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node 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
Install update from vendor's website.
References
- http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.html
- http://lists.opensuse.org/opensuse-updates/2011-07/msg00035.html
- http://rhn.redhat.com/errata/RHSA-2013-0217.html
- http://scarybeastsecurity.blogspot.com/2011/05/libxml-vulnerability-and-interesting.html
- http://secunia.com/advisories/44711
- http://support.apple.com/kb/HT5281
- http://support.apple.com/kb/HT5503
- http://ubuntu.com/usn/usn-1153-1
- http://www.debian.org/security/2011/dsa-2255
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:131
- http://www.openwall.com/lists/oss-security/2011/05/31/8
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.osvdb.org/73248
- http://www.redhat.com/support/errata/RHSA-2011-1749.html
- http://www.securityfocus.com/bid/48056
- https://bugzilla.redhat.com/show_bug.cgi?id=709747