Rule

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Sid
20737

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

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Impact:
Denial of Service. Information disclosure. Loss of integrity. 

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Detailed Information:
427BB 2.2 and 2.2.1 verifies authentication credentials based on the username, authenticated, and usertype cookies, which allows remote attackers to bypass authentication by using a valid username and usertype and setting the authenticated cookie.

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Affected Systems:
427bb fourtwosevenbb 2.2
427bb fourtwosevenbb 2.2.1

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Attack Scenarios:
If an application does not correctly enforce access control, a remote attacker may be able to view resources and data that should be protected. Additionally, in the case of administrative user interfaces, the attacker may be able to elevate privileges and generate accounts by accessing functions that should be controllled by ACLs.

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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-2006-0153:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2006-0153
 
Common Weakness Enumeration:
http://cwe.mitre.org/data/definitions/285.html
 
Common Attack Pattern Enumeration and Classification:
http://capec.mitre.org/data/definitions/1.html

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