Rule:

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Sid: 
2336

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Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in a Verilink NetEngine Broadband Router.

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Impact:
Denial of Service (DoS)

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Detailed Information:
TFTP is used to transfer files between hosts and devices. This event is indicative of spurious
activity in TFTP traffic between hosts.

It is possible for an attacker to send a NULL opcode to a Verilink
NetEngine Broadband Router, this may cause the router to become
unresponsive.

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Affected Systems:
	Verilink NetEngine 6100-4

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Attack Scenarios:
An attacker may use a publicly available exploit script to cause the
DoS.

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Ease of Attack:
Simple. Exploit code is available.

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.
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Contributors:
Sourcefire Research Team
Brian Caswell <brian.caswell@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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