Advisory Details

January 10th, 2018

Trend Micro Control Manager TMCM_MembershipProvider ValidateUser Password Hash Usage Authentication Bypass Vulnerability

ZDI-18-113
ZDI-CAN-5233

CVE ID CVE-2018-3601
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Control Manager
VULNERABILITY DETAILS


This vulnerability allows remote attackers to bypass authentication on vulnerable installations of Trend Micro Control Manager. User interaction is not required to exploit this vulnerability.

The specific flaw exists within the handling of challenges for authentication. The implementation of the challenge allows an attacker to authenticate to the system if they have possession of the password hash but not the password for a user. An attacker can leverage this vulnerability in conjunction with other vulnerabilities to bypass authentication.

VENDOR RESPONSE Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/1119158
DISCLOSURE TIMELINE
  • 2017-10-17 - Vulnerability reported to vendor
  • 2018-01-10 - Coordinated public release of advisory
CREDIT Steven Seeley (mr_me) of Offensive Security
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