Denial of Service Vulnerability in Asterisk Products by Digium
CVE-2008-1923

Currently unrated

Key Information:

Vendor: Asterisk
Status: Asterisk Business Edition; Open Source; S800i; Asterisknow
Vendor: CVE Published:; 23 April 2008

What is CVE-2008-1923?

The IAX2 channel driver in Asterisk, when configured to permit unauthenticated calls, is susceptible to a denial of service attack. This occurs when the system sends 'early audio' to an unverified source IP address in response to a spoofed NEW message, allowing remote attackers to leverage this feature for traffic amplification, potentially overwhelming the service and disrupting communication.

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