CVE-2008-1923

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 (8)

• cve@mitrehttp://bugs.digium.com/view.php?id=10078
• cve@mitrehttp://downloads.digium.com/pub/security/AST-2008-006.html
• cve@mitrehttp://www.altsci.com/concepts/page.php?s=asteri&p=1
• cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/42049
• af854a3a-2127-422b-91ae-364da2661108http://bugs.digium.com/view.php?id=10078
• af854a3a-2127-422b-91ae-364da2661108http://downloads.digium.com/pub/security/AST-2008-006.html
• af854a3a-2127-422b-91ae-364da2661108http://www.altsci.com/concepts/page.php?s=asteri&p=1
• af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/42049