Advisory Details

December 13th, 2017

NetGain Systems Enterprise Manager MainFilter doFilter Authentication Bypass Vulnerability

ZDI-17-955
ZDI-CAN-5099

CVE ID CVE-2017-16590
CVSS SCORE 7.8, (AV:N/AC:L/Au:N/C:C/I:N/A:N)
AFFECTED VENDORS NetGain Systems
AFFECTED PRODUCTS Enterprise Manager
VULNERABILITY DETAILS


This vulnerability allows remote attackers to bypass authentication on vulnerable installations of NetGain Systems Enterprise MainFilter. User interaction is required to exploit this vulnerability.

The specific flaw exists within the MainFilter servlet. The issue results from the lack of proper string matching inside the doFilter method. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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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