The Joe Job DoS attack

Wednesday, 7 April 2004, 11:11 AM EST

A problem with the way that non-delivery notifications are sent by many mail servers could be exploited to launch "mail bomb" denial of service attacks.

Incorrectly configured mail servers may respond to mail delivery failure with as many non-delivery reports as there are undeliverable cc: and bcc: addresses contained in the original email. By forging the source of an email, hackers could bombard systems with spurious emails.

Security researchers have now demonstrated how easy it might be to turn such 'Joe Jobs' into deliberate denial of service attacks.

By John Leyden at The Register.

[ Read more ]




Spotlight

Cloned, booby-trapped Dark Web sites steal bitcoins, login credentials

Apart from being a way for dissidents and journalists to do their business without being spotted and identified by "the powers that be", the Dark Web is also a place where criminals sell and buy illegal wares and services and, apparently, where they also get robbed by scammers.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Fri, Jul 3rd
    COPYRIGHT 1998-2015 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //