The Lotus SMTP Server is part of the integrated solutions offered in Lotus Domino and Notes
server software packages. A vulnerability exists in the SMTP server that can allow a malicious user
to remotely execute code on the server.
The problem exists in the ENVID variable, as specified in
The SMTP server does not conduct adequate bounds checking on the ENVID keyword of the "MAIL FROM:" field. This makes
it possible for a malicious user to custom craft an ENVID that could result in remote execution
of code as the UID the SMTP server is operating as.
In the event of successful overflow, the Notes server will crash and all Notes services will discontinue functioning,
regardless of successful execution of code. The Notes server will then require a manual restart, and additionally may
require manual removal of mail.box and/or log.nsf files.