Vulnerability identifier: #VU44771

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-2821

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath expression.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Chrome: 13.0.782.0 - 13.0.782.214

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External links
http://code.google.com/p/chromium/issues/detail?id=89402
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html
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://rhn.redhat.com/errata/RHSA-2013-0217.html
http://support.apple.com/kb/HT5281
http://support.apple.com/kb/HT5503
http://www.debian.org/security/2012/dsa-2394
http://www.mandriva.com/security/advisories?name=MDVSA-2011:145
http://www.redhat.com/support/errata/RHSA-2011-1749.html
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13840

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.