MS02-037: Microsoft Exchange EHLO Long Hostname Overflow

A security vulnerability results because of an unchecked buffer in the IMC code that generates the response to the EHLO protocol command. If the buffer were overrun with data it would result in either the failure of the IMC or could allow the attacker to run code in the security context of the IM...

CVE-1999-0531

The connected documents describe a vulnerability class where an SMTP service that supports commands like VRFY and EXPN can enumerate valid user accounts (revealing aliases or mailing lists). The evidence includes a Metasploit module (SMTP User Enumeration Utility) and CIRCL/CVE references linking...