9622.txt

来自「This is the snapshot of Snot Latest Rule」· 文本 代码 · 共 54 行

Rule

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Sid
9622

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Summary:
This event is generated when an attempt is made to cause a Denial of Service (DoS) using Spiffit.

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Impact:
Denial of Service (DoS)

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Detailed Information:
The comsat daemon can be used on Linux/UNIX based machines to notify users of new mail in their mailboxes (commonly utilized with the biff utility). A DoS attack is possible against the comsat daemon which could be used by a remote attacker to flood the user with mail notification.

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Affected Systems:
Older Linux/UNIX based distributions using comsat and biff.

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Attack Scenarios:
An attacker could use the spiffit tool to flood the user with new mail notifications causing the DoS.

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Ease of Attack:
Simple. Exploit code exists.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Disable the use of comsat for new mail notification.

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Contributors:
Sourcefire Vulnerability Research Team
Matthew Watchinski <[e-mail]>
Nigel Houghton <[e-mail]>

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Additional References:


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