J-Security Center

Title: Lotus Domino Mail Loop Denial of Service Vulnerability

Severity: HIGH

Description:

A potential denial of service vulnerability exists in some versions of Lotus Domino server.

The problem occurs when a message is received by the server with the mail recipient set as being at a domain that is not local to the server, and the sender as bounce@[127.0.0.1].

If this occurs, the server will attempt to bounce the message and will go into a bounce loop and consume all of the system's CPU, requiring that the server be restarted and the message be manually removed from the queue.

Affected Products:

  • Lotus Domino 4.6.1
  • Lotus Domino 4.6.3
  • Lotus Domino 4.6.4
  • Lotus Domino 5.0.1
  • Lotus Domino 5.0.2
  • Lotus Domino 5.0.3
  • Lotus Domino 5.0.4
  • Lotus Domino 5.0.5
  • Lotus Domino 5.0.6
  • Lotus Domino 5.0.7
  • Lotus Domino 5.0.8

References:

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