Advisory Details

May 12th, 2015

(Pwn2Own) Adobe Flash Player BrokerCreateFile Broker Method Path Traversal Sandbox Escape Vulnerability

CVE ID	CVE-2015-3085
CVSS SCORE	4.4, AV:L/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Flash Player
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['19604']. 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 Adobe Flash Player. 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 BrokerCreateFile method. An attacker can force BrokerCreateFile to traverse the path of the output file, allowing the file to be written anywhere on disk. An attacker can leverage this vulnerability to execute code at medium integrity.
ADDITIONAL DETAILS	Adobe has issued an update to correct this vulnerability. More details can be found at: https://helpx.adobe.com/security/products/reader/apsb15-10.html
DISCLOSURE TIMELINE	2015-03-18 - Vulnerability reported to vendor 2015-05-12 - Coordinated public release of advisory
CREDIT	Nicolas Joly

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