GEN:SID 1:1938
Message POP3 XTND overflow attempt
Summary This event is generated when an attempt is made to exploit a buffer
overflow condition in the Post Office Protocol (POP) command XTND.
Impact Possible remote execution of arbitrary code leading to a remote root
compromise.
Detailed Information A vulnerability exists such that an attacker may overflow a buffer by
sending a large number of non-line feed characters before a line feed
to a POP server via the XTND command.
Affected Systems  
Attack Scenarios Simple. An attacker can supply many consecutive non-newline characters to
the XTND function on a POP server to cause the overflow condition.
Ease of Attack Simple.
Corrective Action Upgrade to the latest non-affected version of the software.
Additional References RFC 1082:
http://www.faqs.org/rfcs/rfc1082.html