1. Symantec/
  2. Security Response/
  3. Attack Signatures/
  4. IMAP MDaemon Fetch Command BO

IMAP MDaemon Fetch Command BO

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.


This signature detects attempts to exploit a buffer overflow vulnerability in Alt-N MDaemon IMAP Server which may result in remote code execution.

Additional Information

Alt-N MDaemon IMAP Server is affected by a remote buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied data before copying it into an insufficiently sized buffer.

Attackers may leverage this issue to execute arbitrary code with SYSTEM-level privileges. Successful exploits will completely compromise affected computers.


  • Alt-N MDaemon 9.64 is vulnerable; other versions may also be affected.


Download and install all vendor patches related to this vulnerability.

Additional References

  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube