Rule

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Sid
15579

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in the Squid proxy server.

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Impact:
Denial of Service.   

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Detailed Information:
The NTLM component in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via a malformed NTLM type 3 message that triggers a NULL dereference.

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Affected Systems:
Squid 2.0.patch2
Squid 2.1.patch2
Squid 2.3.stable4
Squid 2.3.stable5
Squid 2.3.stable5
Squid 2.4
Squid 2.4.stable2
Squid 2.4.stable6
Squid 2.4.stable7
Squid 2.4.stable7
Squid 2.5.6
Squid 2.5.stable1
Squid 2.5.stable2
Squid 2.5.stable3
Squid 2.5.stable4
Squid 2.5.stable5
Squid 2.5.stable6
Squid 2.5.stable7
Squid 2.5.stable1
Squid 2.5.stable3
Squid 2.5.stable4
Squid 2.5.stable5
Squid 2.5.stable6
Squid 2.5.stable3
Squid 2.5.stable4
Squid 2.5.stable9
Squid 2.6.stable1

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Attack Scenarios:


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Ease of Attack:
Medium.

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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 latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.
For more information see http://nvd.nist.gov/

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Additional References:

NIST CVE-2005-0097:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2005-0097
  
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