Rule

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Sid
20821

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

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Impact:
Denial of Service.   

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Detailed Information:
Vulnerability in the apr_psprintf function in the Apache Portable Runtime (APR) library for Apache 2.0.37 through 2.0.45 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long strings, as demonstrated using XML objects to mod_dav, and possibly other vectors.

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Affected Systems:
apache http server 2.0.37
apache http server 2.0.38
apache http server 2.0.39
apache http server 2.0.40
apache http server 2.0.41
apache http server 2.0.42
apache http server 2.0.43
apache http server 2.0.44
apache http server 2.0.45

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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-2003-0245:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2003-0245
  
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