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Lotus Domino Server Web Service NRPC Authentication Format String DoS

High

Synopsis

The remote host is vulnerable to a format string flaw.

Description

The remote host is running a version of Lotus Domino Server's web service that is prone to a remote format string vulnerability. Specifically, during Lotus Notes authentication, a server utilizing Notes Remote Procedure Call (NRPC) can be sent a malicious payload that, when parsed, would cause the server to either fail (loss of availability) or execute arbitrary code (loss of confidentiality and integrity).

Solution

Upgrade to Lotus Domino Server version 6.5.4, 6.0.5 or higher.