Rule:

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Sid:
3458

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Summary:
This event is generated when an attempt is made to exploit
a buffer overflow associated with the Arkeia Client Backup
server.

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Impact:
A successful attack may cause a buffer overflow and the
subsequent execution of arbitrary code at the privilege
level of the vulnerable service.

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Detailed Information:
A vulnerability exists in the Arkeia Client Backup server
software for a type 84 request. This may cause a buffer
overflow and the subsequent execution of arbitrary code
on a vulnerable server. The vulnerability is caused by
an overly long message length.

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Affected Systems:
	Arkeia version 5.3 and prior.

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Attack Scenarios:
An attacker craft a malicious type 84 request and send
it to a vulnerable server.

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Ease of Attack:
Simple.  Exploits are publicly available.

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False Positives:
None known.

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False Negatives:
There can be multiple messages in one transfer. The event is generated
on the first message only.

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Corrective Action:
Upgrade to the most current non-affected version of the product.

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Contributors:
Sourcefire Research Team
Judy Novak <judy.novak@sourcefire.com>

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Additional References

Metasploit:
http://metasploit.com/research/arkeia_agent

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