CVE-2008-1923

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/42049

http://www.altsci.com/concepts/page.php?s=asteri&p=1

http://downloads.digium.com/pub/security/AST-2008-006.html

http://bugs.digium.com/view.php?id=10078

Details

Source: Mitre, NVD

Published: 2008-04-23

Updated: 2017-08-08

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High