Advisory Details

April 15th, 2015

(Pwn2Own) Google Chrome pnacl Shared Memory Time-Of-Check/Time-Of-Use Remote Code Execution Vulnerability

CVE ID	CVE-2015-1234
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Google
AFFECTED PRODUCTS	Chrome
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['19621']. 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 Google Chrome. 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 communication between the GPU process and the renderer processes. The issue lies in the verification of values from the renderer without copying them out of a shared memory section. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Google has issued an update to correct this vulnerability. More details can be found at: http://googlechromereleases.blogspot.com/2015/04/stable-channel-update.html
DISCLOSURE TIMELINE	2015-03-19 - Vulnerability reported to vendor 2015-04-15 - Coordinated public release of advisory
CREDIT	lokihardt@ASRT

BACK TO ADVISORIES