DescriptionThe 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.
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
|National Vulnerability Database|
SUSE Timeline for this CVECVE page created: Fri Jun 28 03:54:27 2013
CVE page last modified: Fri Oct 7 12:45:41 2022