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TITLE:
Asterisk MGCP AUEP Response Handling Buffer Overflow

SECUNIA ADVISORY ID:
SA21600

VERIFY ADVISORY:
http://secunia.com/advisories/21600/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From local network

SOFTWARE:
Asterisk 1.x
http://secunia.com/product/2155/

DESCRIPTION:
Mu Security has reported a vulnerability in Asterisk, which
potentially can be exploited by malicious people to compromise a
vulnerable system.

The vulnerability is caused due to a boundary error within the MGCP
implementation and can be exploited to cause a stack-based buffer
overflow by sending a specially crafted AUEP response message.

The vulnerability has been reported in versions 1.0.0 through 1.2.10.
Other versions may also be affected.

A format string error in the Record application was also reported.

SOLUTION:
Update to version 1.2.11.

PROVIDED AND/OR DISCOVERED BY:
Mu Security research team

ORIGINAL ADVISORY:
http://labs.musecurity.com/advisories/MU-200608-01.txt

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About:
This Advisory was delivered by Secunia as a free service to help
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