J-Security Center

Title: Alt-N MDaemon Mail Server DoS Vulnerability

Severity: MODERATE

Description:

Entering a long argument to the user command (256 or more bytes) will overflow the user buffer and will cause the Mdaemon mail server to stop responding after the pass command is issued. A reboot is required in order to regain normal functionality.

Affected Products:

  • Alt-N MDaemon 3.0.3
  • Alt-N MDaemon 3.1.0 beta

References:

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