[exim] Infos: someone posted an none working exploit for exim

Author: Cyborg
Date:
To: exim-users
New-Topics: [exim] Security reminder on email address characters
Subject: [exim] Infos: someone posted an none working exploit for exim

More Infos here:

https://www.redteam-pentesting.de/de/advisories/rt-sa-2013-001/-exim-with-dovecot-typical-misconfiguration-leads-to-remote-command-execution

but it's a dovecot problem as it seems. On the other hand "`" is not an
allowed char in an emailaddress..

How about just kicking those connection attempts by default with i.e.
"500 illegal chars used" ?

Marius

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[exim] Infos: someone posted an none working exploit for ex…