Advisory Details

April 11th, 2014

(Pwn2Own) Apple Safari Heap Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2014-1303
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	Safari
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Safari. 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 CSS rules. The issue lies in the improper handling of CSSSelector elements. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Apple has issued an update to correct this vulnerability. More details can be found at: http://support.apple.com/kb/HT6181
DISCLOSURE TIMELINE	2014-03-13 - Vulnerability reported to vendor 2014-04-11 - Coordinated public release of advisory
CREDIT	Liang Chen of KeenTeam

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