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Asterisk IAX2 Call Request Flooding Denial of Service
Secunia Advisory: SA21071
Release Date: 2006-07-17
Popularity: 8,773 views

Critical:
Less critical
Impact: DoS
Where: From local network
Solution Status: Vendor Patch

Software:Asterisk 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

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

The vulnerability is caused due to an error when handling new call requests and can be exploited to cause Asterisk to stop processing new calls via a flood of call requests.

The vulnerability has been reported in version 1.2.9. Prior versions may also be affected.

NOTE: It has also been reported that malicious people can abuse weakly protected accounts to cause Asterisk to flood a victim with a large number of UDP packets after sending a spoofed packet.

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



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