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Secunia Security Advisory 30555

Secunia Security Advisory 30555
Posted Jun 5, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Asterisk Addons, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | 43da6f3bcd81ec8380a700082d05a13f0329aca6bf929e1a8f0f0986938842b1

Secunia Security Advisory 30555

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TITLE:
Asterisk Addons "ooh323" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA30555

VERIFY ADVISORY:
http://secunia.com/advisories/30555/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Asterisk-Addons 1.x
http://secunia.com/product/16150/

DESCRIPTION:
A vulnerability has been reported in Asterisk Addons, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The problem is that the "ooh323" channel driver extracts memory
addresses from incoming TCP packets and uses them in memory
operations. This can be exploited to crash an affected application by
sending a TCP packet containing invalid memory references.

The vulnerability is reported in 1.2.x versions prior to 1.2.9, and
1.4.x versions prior to 1.4.7.

SOLUTION:
Asterisk Addons 1.2.x:
Update to version 1.2.9.

Asterisk Addons 1.4.x:
Update to version 1.4.7.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Tzafrir Cohen.

ORIGINAL ADVISORY:
http://downloads.digium.com/pub/security/AST-2008-009.html

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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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