Advisory Details

May 29th, 2013

(Pwn2Own) Mozilla Firefox nsHTMLEditRules Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2013-0787
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Mozilla
AFFECTED PRODUCTS	Firefox
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['12852']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of nsHTMLEditRules objects. By manipulating a document's elements an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Mozilla has issued an update to correct this vulnerability. More details can be found at: https://bugzilla.mozilla.org/show_bug.cgi?id=848644
DISCLOSURE TIMELINE	2013-04-26 - Vulnerability reported to vendor 2013-05-29 - Coordinated public release of advisory
CREDIT	VUPEN Security [ http://www.vupen.com ]

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