3089.txt

This is the snapshot of Snot Latest Rules

Rule:

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Sid:
3089

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Summary:
This event is generated when an attempt is made to exploit a denial of
service associated with Squid Web Cache Communication Protocol (WCCP).

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Impact:
A successful attack can cause the Squid web cache server process to
terminate.

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Detailed Information:
A vulnerability exists in the way that a Squid server handles a WCCP
message.  A WCCP I_SEE_YOU message that contains an invalid number of
web cache entries can create an out-of-bounds array reference.  This may
result in a read access violation of memory, causing a denial of service.

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Affected Systems:
	Squid Web Proxy Cache 2.5 STABLE7 and prior versions

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Attack Scenarios:
An attacker can craft a WCCP I_SEE_YOU message with an invalid number of
web cache entries, causing the web cache server process to terminate.

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Ease of Attack:
Simple.

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False Positives:
None known.

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False Negatives:
None known.

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

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Contributors:
Sourcefire Vulnerability Research Team
Judy Novak <[e-mail]>

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Additional References

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