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TITLE:
Asterisk Manager Interface Command Processing Vulnerability

SECUNIA ADVISORY ID:
SA15791

VERIFY ADVISORY:
http://secunia.com/advisories/15791/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
>From local network

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

DESCRIPTION:
Wade Alcorn has reported a vulnerability in Asterisk, which can be
exploited by malicious users to compromise a vulnerable system.

The vulnerability is cause due to an error in the processing of
commands in the Manager Interface. This can be exploited to execute
arbitrary code by supplying a specially crafted command string.

Successful exploitation requires that the Manager interface has been
enabled (disabled by default), the directive "write = command" has
been added to manager.conf, and the user has been authenticated.

The vulnerability has been reported in version 1.0.7. Prior versions
may also be affected.

SOLUTION:
Update to version 1.0.8.
http://www.asterisk.org/index.php?menu=download

PROVIDED AND/OR DISCOVERED BY:
Wade Alcorn

ORIGINAL ADVISORY:
http://www.bindshell.net/voip/advisory-05-013.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/


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