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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

Home >> Browse Vulnerability Assessment Database >> Denial of Service >> SLMail:27 denial of service

SLMail:27 denial of service

Vulnerability Assessment Summary VRFY aaaaa(...)aaa crashes the remote MTA Detailed Explanation for this Vulnerability Assessment It was possible to perform a denial of service against the remote SMTP server by sending a too long argument to the VRFY command on port 27. This problem permits a possible hacker to bring down your mail system, preventing you from sending and receiving emails. Solution : Update your MTA, or change it. Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 1999 Renaud Deraison

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