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Asterisk IAX2 Channel Driver Code Execution Vulnerability
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Secunia Advisory:
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SA20497
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Release Date:
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2006-06-07
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Last Update:
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2006-06-13
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Popularity:
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7,620 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Asterisk 1.x
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| CVE reference: | CVE-2006-2898
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Description:
Core Security Technologies has reported a vulnerability in Asterisk, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an input validation error within the IAX2 channel driver (chan_iax2) and can be exploited to corrupt memory in a way that allows execution of arbitrary code via a malicious IAX2 client.
The vulnerability has been reported in versions prior to 1.2.9.1 and prior to 1.0.11.1.
Solution:
Update to version 1.2.9.1 or 1.0.11.1.
http://ftp.digium.com/pub/telephony/asterisk/releases/
Provided and/or discovered by:
Damian Saura, Alejandro Lozanoff, Eduardo Koch, Norberto Kueffner, and Ivan Arce from Core Security Technologies.
Changelog:
2006-06-08: Added CVE reference.
2006-06-13: Added additional information from Corelabs. Raised criticality and changed impact.
Original Advisory:
Asterisk:
http://www.asterisk.org/node/95
Corelabs:
http://www.coresecurity.com/common/showdoc.php?idx=547&idxseccion=10
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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