Advisory Details

December 13th, 2017

NetGain Systems Enterprise Manager deviceReport.deviceReport_005fexport_005fdo_jsp filename Directory Traversal Arbitrary File Overwrite Vulnerability

CVE ID	CVE-2017-16604
CVSS SCORE	7.5, AV:N/AC:L/Au:S/C:N/I:P/A:C
AFFECTED VENDORS	NetGain Systems
AFFECTED PRODUCTS	Enterprise Manager
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['29827']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to overwrite arbitrary files on vulnerable installations of NetGain Systems Enterprise Manager. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the org.apache.jsp.u.jsp.cnnic.asset.deviceReport.deviceReport_005fexport_005fdo_jsp servlet, which listens on TCP port 8081 by default. When parsing the filename parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to overwrite any files accessible to the Administrator.
ADDITIONAL DETAILS	Fixed for NetGain Enterprise Manager - fixed version: v7.2.766 and above
DISCLOSURE TIMELINE	2017-09-08 - Vulnerability reported to vendor 2017-12-13 - Coordinated public release of advisory
CREDIT	rgod

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