CVE-2008-1923
EPSS 1.5%Published: 4/23/2008Modified: 4/28/2026
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 packages (1)
- Debian/asteriskfrom 0, < 1:1.4.19.1~dfsg-1