Rule: -- Sid: -- Summary: This event is generated when an attempt is made to exploit a buffer overflow condition in the Post Office Protocol (POP) command TOP. -- 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 line feed character to a POP server via the TOP command. -- Attack Scenarios: Simple. -- Ease of Attack: Simple. -- False Positives: None Known -- False Negatives: None Known -- Corrective Action: Upgrade to the latest non-affected version of the software. -- Contributors: Sourcefire Research Team Brian Caswell <bmc@sourcefire.com> Nigel Houghton <nigel.houghton@sourcefire.com> -- Additional References: RFC 1939: http://www.faqs.org/rfcs/rfc1939.html --
