Sendmail vulnerability

Sendmail vulnerability discovered by Internet Security Systems (ISS) which allows an attacker to gain control of a Sendmail server by sending a specially-crafted email message. Even Sendmail installations that don??�t accept connections from external sources can still be at risk.
If You running Unix or Linux you should check ypor server is running Sendmail. If it is on by default but you don??�t use it or don??�t need it on, simply disable or remove it. If you can??�t remove running Sendmail you must download the latest version of Sendmail (8.12.8) or check out a patch to address this issue.