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Asterisk "BYE/Also" Denial of Service Vulnerability
Secunia Advisory: SA28312
Release Date: 2008-01-03
Last Update: 2008-02-04
Popularity: 6,885 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Asterisk 1.x
Asterisk Appliance Developer Kit 0.x
Asterisk Business Edition 2.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

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

The vulnerability is caused due to a null-pointer dereference error within the handling of the "BYE/Also" transfer method and can be exploited to crash the application.

Successful exploitation requires that a dialog has already been established.

The vulnerability is reported in the following versions:
* Asterisk Open Source 1.4.x prior to version 1.4.17
* Asterisk Business Edition C.x.x prior to version C.1.0-beta8
* AsteriskNOW pre-release prior to beta7
* Asterisk Appliance Developer Kit prior to Asterisk 1.4 revision 95946
* s800i (Asterisk Appliance) 1.0.x prior to version 1.0.3.4

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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