A remote overflow exists in MERCUR SMTP Server. By sending a EXPN command containing a overly long string of random characters, an attacker can cause arbitrary code execution with LocalSystem privileges resulting in a loss of integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Public
Solution
Currently, there are no known upgrades, patches, or workarounds available to correct this issue.