IBM Lotus Notes before 6.5.6, and 7.x before 7.0.3; and Domino before 6.5.5 FP3, and 7.x before 7.0.2 FP1; uses weak permissions (Everyone:Full Control) for memory mapped files (shared memory) in IPC, which allows local users to obtain sensitive information, or inject Lotus Script or other character sequences into a session.
Symantec Vulnerability Research SYMSA-2007-013 - Lotus Notes and Domino are susceptible to a vulnerability in the IPC functionality between NLNOTEs and NTASKLDR.