IBM Lotus Domino Cookie File Authentication Bypass Vulnerability

Summary
The host is running IBM Lotus Domino Server and is prone to authentication bypass vulnerability
Impact
Successful exploitation may allow remote attackers to bypass the authentication mechanism by providing a malicious UNC path to COOKIEFILE. Impact Level: Application/System
Solution
Upgrade to version 8.5.2 FP3 or 8.5.3 or later, For updates refer to http://www-01.ibm.com/software/lotus/products/domino
Insight
The flaw is due to an error in the Server Controller authentication mechanism, which does not properly verify the COOKIEFILE path before using it to retrieve user's credentials.
Affected
IBM Lotus Domino versions 7.x and 8.x
References