Advisory Details

May 4th, 2018

Trend Micro Encryption for Email Gateway Registration Authentication Bypass Vulnerability

ZDI-18-412
ZDI-CAN-5532

CVE ID CVE-2018-6223
CVSS SCORE 10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Encryption for Email Gateway
VULNERABILITY DETAILS


This vulnerability allows remote attackers to reset the Administrator password on vulnerable installations of Trend Micro Encryption for Email Gateway. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of the product registration process. The issue results from the lack of validating the product registration status prior to performing product registration. An attacker can leverage this vulnerability to reset the Administrator password.
ADDITIONAL DETAILS Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/1119349
DISCLOSURE TIMELINE
  • 2018-01-02 - Vulnerability reported to vendor
  • 2018-05-04 - Coordinated public release of advisory
  • 2018-05-04 - Advisory Updated
CREDIT Steven Seeley of Source Incite
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