Rule

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Sid
14040

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

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Impact:
Denial of Service. Information disclosure. Loss of integrity. Complete admin access.

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Detailed Information:
Multiple heap-based buffer overflows in the rc4 (1) encryption (aka exsltCryptoRc4EncryptFunction) and (2) decryption (aka exsltCryptoRc4DecryptFunction) functions in crypto.c in libexslt in libxslt 1.1.8 through 1.1.24 allow context-dependent attackers to execute arbitrary code via an XML file containing a long string as "an argument in the XSL input."

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Affected Systems:
XMLSoft libxslt 1.1.10
XMLSoft libxslt 1.1.11
XMLSoft libxslt 1.1.12
XMLSoft libxslt 1.1.13
XMLSoft libxslt 1.1.14
XMLSoft libxslt 1.1.15
XMLSoft libxslt 1.1.16
XMLSoft libxslt 1.1.17
XMLSoft libxslt 1.1.18
XMLSoft libxslt 1.1.19
XMLSoft libxslt 1.1.20
XMLSoft libxslt 1.1.21
XMLSoft libxslt 1.1.22
XMLSoft libxslt 1.1.23
XMLSoft libxslt 1.1.24
XMLSoft libxslt 1.1.8
XMLSoft libxslt 1.1.9

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Attack Scenarios:


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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 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-2008-2935:
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-2935

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