Exchange XEXCH50 Remote Buffer Overflow
High Nessus Plugin ID 11889
SynopsisThe remote mail server is prone to a buffer overflow or denial of service attack.
DescriptionThe remote mail server appears to be running a version of the Microsoft Exchange SMTP service that is vulnerable to a flaw in the XEXCH50 extended verb. This flaw can be used to completely crash Exchange 5.5 or to execute arbitrary code on Exchange 2000.
SolutionApply the one of the workarounds listed in the vendor's advisory.