Advisory Details

August 9th, 2016

Microsoft Office Word RTF JPEG Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2016-3318
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Office Word
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['24885']. 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 Microsoft Office Word. 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 processing of a JPEG embedded within an RTF file. The issue lies in the failure to properly validate user-supplied data which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://technet.microsoft.com/library/security/MS16-099
DISCLOSURE TIMELINE	2016-06-06 - Vulnerability reported to vendor 2016-08-09 - Coordinated public release of advisory
CREDIT	Arun Kumar Sharma

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