Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42049
- http://downloads.digium.com/pub/security/AST-2008-006.html
- http://bugs.digium.com/view.php?id=10078
- http://www.altsci.com/concepts/page.php?s=asteri&p=1
ADP enrichment
No English description supplied.