← Database

CVE-2008-1923

HIGH CVSS: 7.1 Published: 2008-04-23 Modified: 2026-06-16

Description

The IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated calls, sends "early audio" to an unverified source IP address of a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed NEW message.

Affected Platforms

Asterisk S800IAsterisk Asterisk Appliance Developer KitAsterisk Open SourceAsterisk AsterisknowAsterisk Asterisk Business Edition

Weakness Type

CWE-16

References