Advisory Details

March 9th, 2017

Trend Micro Deep Discovery Email Inspector get_filesize Command Injection Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Trend Micro
AFFECTED PRODUCTS	Deep Discovery Email Inspector
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['26826']. 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 Trend Micro Deep Discovery Email Inspector. Authentication is not required to exploit this vulnerability. The specific flaw exists within get_filesize.php. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code under the context of root.
ADDITIONAL DETAILS	Trend Micro has issued an update to correct this vulnerability. More details can be found at: https://success.trendmicro.com/solution/1116750
DISCLOSURE TIMELINE	2017-01-05 - Vulnerability reported to vendor 2017-03-09 - Coordinated public release of advisory
CREDIT	Brian Gorenc - Trend Micro Zero Day Initiative

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