Advisory Details

April 9th, 2012

Webkit.org Webkit copyNonAttributeProperties Remote Code Execution Vulnerability

CVE ID	CVE-2011-3928
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	WebKit.Org
AFFECTED PRODUCTS	WebKit
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of WebKit. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The flaw exists within the WebCore component as used by WebKit. Specifically within the handling of element properties. When importing a node having a nonattribute property such as an attached event, an object is improperly freed and accessed. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the browser.
ADDITIONAL DETAILS	WebKit.Org has issued an update to correct this vulnerability. More details can be found at: http://prod.lists.apple.com/archives/security-announce/2012/Mar/msg00003.html
DISCLOSURE TIMELINE	2011-12-22 - Vulnerability reported to vendor 2012-04-09 - Coordinated public release of advisory
CREDIT	wushi of team509

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