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>> Asterisk MGCP AUEP Message Buffer Overflow and Record Application Vulnerabilities
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Title : Asterisk MGCP AUEP Message Buffer Overflow and Record Application Vulnerabilities
VUPEN ID : VUPEN/ADV-2006-3372
CVE ID : CVE-2006-4345 - CVE-2006-4346
Rated as : High Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-08-24
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Multiple vulnerabilities have been identified in Asterisk, which could be exploited by attackers to execute arbitrary commands or overwrite arbitrary files.
The first issue is due to a buffer overflow error in the MGCP implementation when processing specially crafted AUEP response messages, which could be exploited by attackers to compromise a vulnerable system.
The second flaw is due to a format string error in the "Record" application when handling malformed filenames, which could be exploited to execute arbitrary commands.
The third vulnerability is due to an input validation error in the "Record" application when handling malformed filenames, which could be exploited to conduct directory traversal attacks and overwrite arbitrary files.
Affected Products
Asterisk versions 1.0.0 through 1.2.10
Solution
Upgrade to Asterisk version 1.2.11 :
http://www.asterisk.org/download
References
http://www.vupen.com/english/advisories/2006/3372
http://labs.musecurity.com/advisories/MU-200608-01.txt
Credits
Vulnerabilities reported by Mu Security research team
ChangeLog
2006-08-24 : Initial release
Vulnerability Management
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