Rule:

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Sid:
288

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Summary:
This event is generated when an attempt is made to exploit a buffer overflow in the POP3 service on Linux systems.

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Impact:
An attacker can gain access to a shell running with root privileges.

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Detailed Information:
This rule looks for a piece of shell code (executable code) that is used to exploit a known vulnerability in an older version of the POP3 daemon distributed in Linux systems.

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Affected Systems:
Various Linux versions.

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Attack Scenarios:
The attack is done remotely and gives the attacker a command shell running with root privileges.

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Ease of Attack:
Simple.  An exploit is readily available.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Install the available security patches from your linux vendor.

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Contributors:
Original Rule Writer Unknown
Sourcefire Vulnerability Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>
Snort documentation contributed by Steven Alexander<alexander.s@mccd.edu>

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Additional References:

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