Rule

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Sid
17680

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in bind.

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Impact:
Denial of Service.   

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Detailed Information:
ISC BIND 9.0.x, 9.1.x, 9.2.0 up to 9.2.7, 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (exit) via a type * (ANY) DNS query response that contains multiple RRsets, which triggers an assertion error, aka the "DNSSEC Validation" vulnerability.

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Affected Systems:
isc bind 9.0
isc bind 9.0.1
isc bind 9.1
isc bind 9.1.1
isc bind 9.1.2
isc bind 9.1.3
isc bind 9.2
isc bind 9.2.1
isc bind 9.2.2
isc bind 9.2.3
isc bind 9.2.4
isc bind 9.2.5
isc bind 9.2.6
isc bind 9.2.7
isc bind 9.3
isc bind 9.3.1
isc bind 9.3.2
isc bind 9.3.3
isc bind 9.4.0
isc bind 9.4.0a1
isc bind 9.4.0a2
isc bind 9.4.0a3
isc bind 9.4.0a4
isc bind 9.4.0a5
isc bind 9.4.0a6
isc bind 9.4.0b1
isc bind 9.4.0b2
isc bind 9.4.0b3
isc bind 9.4.0b4
isc bind 9.5.0a1
isc bind 9.5.0a1

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Attack Scenarios:


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Ease of Attack:
Difficult.

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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-2007-0494:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2007-0494
  
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