49993 : Libxml2 xmlSAX2Characters() Function XML File Parsing Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2008-11-19

Description

Libxml2 contains a flaw in the handling of XML files. The issue is due to the 'xmlSAX2Characters()' function not sanitizing user-supplied input. With a specially crafted XML file, a context-dependent attacker can corrupt memory to cause a denial of service or potentially execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

It has been reported that this issue has been fixed. Upgrade to version 0.7.3, or higher, to address this vulnerability.

Products

Libxml2

2.7.2

References

Security Tracker: 1021238
CVE ID: 2008-4226 (see also: NVD)
Bugtraq ID: 32326
Secunia Advisory ID: 32762 32764 32766 32773 32802 32807 32811 32872 32974 33417 33746 33792 34247 35379 35449 36173 36235 37555
SCIP VulDB ID: 3975
Related OSVDB ID: 49992
VUPEN Advisory: ADV-2008-3176
Keyword: c02029444,HPSBMA02492,SSRT100079
Mail List Post: http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00002.html
Other Advisory URL: http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.473974
http://sunsolve.sun.com/search/document.do?assetkey=1-66-261688-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-265329-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-266428-1
http://support.avaya.com/elmodocs2/security/ASA-2009-002.htm
http://support.avaya.com/elmodocs2/security/ASA-2009-067.htm
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0325
http://www.debian.org/security/2008/dsa-1666
http://www.mandriva.com/security/advisories?name=MDVSA-2008:231
http://www.ubuntu.com/usn/usn-673-1
http://www.us.debian.org/security/2008/dsa-1666
http://www.vmware.com/security/advisories/VMSA-2009-0001.html
https://bugzilla.redhat.com/show_bug.cgi?id=470466
Vendor Specific News/Changelog Entry: http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.473974
http://wiki.rpath.com/Advisories:rPSA-2008-0325
https://admin.fedoraproject.org/updates/libxml2-2.7.2-2.fc10
https://admin.fedoraproject.org/updates/libxml2-2.7.2-2.fc9
https://bugzilla.redhat.com/show_bug.cgi?id=470466
https://lists.ubuntu.com/archives/ubuntu-security-announce/2008-November/000781.html
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00472.html
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00513.html
Vendor Specific Advisory URL: http://sunsolve.sun.com/search/document.do?assetkey=1-66-251406-1
http://support.apple.com/kb/HT3613
http://support.apple.com/kb/HT3639
http://www.gentoo.org/security/en/glsa/glsa-200812-06.xml
News Article: http://www.scmagazineus.com/New-Safari-40-fixes-more-than-50-vulnerabilities/article/138229/
Vendor URL: http://www.xmlsoft.org/
RedHat RHSA: RHSA-2008:0988

Tools & Filters

	30007 30010 30012
	5133 5134

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2008-11-26 | Disagree?

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