Rule

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Sid
14609

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

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

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Detailed Information:
Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the SIP channel T.38 SDP parser in Asterisk before 1.4.3 allow remote attackers to execute arbitrary code via a long (1) T38FaxRateManagement or (2) T38FaxUdpEC SDP parameter in an SIP message, as demonstrated using SIP INVITE.

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Affected Systems:
asterisk asterisk 1.4.1
asterisk asterisk 1.4.2
asterisk asterisk 1.4_beta

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Attack Scenarios:


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Ease of Attack:


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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-2007-2293:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2007-2293

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