Advisory Details

December 13th, 2017

NetGain Systems Enterprise Manager reports.export_005fdownload_jsp filename Directory Traversal Information Disclosure Vulnerability

ZDI-17-960
ZDI-CAN-5118

CVE ID CVE-2017-16595
CVSS SCORE 7.8, (AV:N/AC:L/Au:N/C:C/I:N/A:N)
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 29800. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to disclose sensitive information 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.reports.export_005fdownload_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 in conjunction with other vulnerabilities to execute code in the context of Administrator.

ADDITIONAL DETAILS


Fixed for NetGain Enterprise Manager - fixed version: v7.2.766 and above


DISCLOSURE TIMELINE
  • 2017-09-06 - Vulnerability reported to vendor
  • 2017-12-13 - Coordinated public release of advisory
CREDIT rgod
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