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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.40% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-16
- Affected
- asterisk/asterisk appliance developer kit · asterisk/asterisk business edition · asterisk/asterisknow · asterisk/open source · asterisk/s800i
- Source
- cve@mitre.org
References
- http://bugs.digium.com/view.php?id=10078
- http://downloads.digium.com/pub/security/AST-2008-006.html
- http://www.altsci.com/concepts/page.php?s=asteri&p=1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42049
- http://bugs.digium.com/view.php?id=10078
- http://downloads.digium.com/pub/security/AST-2008-006.html
- http://www.altsci.com/concepts/page.php?s=asteri&p=1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42049
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.