Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2008-1923
- cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisknow:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisknow:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:*:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.0.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:s800i:1.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0beta7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0-beta7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0-beta8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:a:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_business_edition:c.1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.24:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.25:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.11:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.12:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.19:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.21:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.15:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.22:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.23:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.10:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.13:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.14:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.18:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.19:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.21.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.20:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.16.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.16:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.26.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.26.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.16.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.26:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.20:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.25:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.24:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.12:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.14:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.21.1:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.21:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.23:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.4:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.7:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.8:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.11:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.10:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.15:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.19:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.17:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.18:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.6:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.9.1:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.17:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.3:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.7.1:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.18.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.13:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.16:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.26.1:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.22:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.26.2:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.26:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.5:netsec:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.19:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.19:rc4:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.27:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.2.28:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2008-1923
2.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2008-1923
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST |
CWE ids for CVE-2008-1923
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2008-1923
-
http://www.altsci.com/concepts/page.php?s=asteri&p=1
IAX2 protocol flaw in IC_NEW could cause reflective amplification DoS - AltSci Concepts
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/42049
Asterisk NEW message denial of service CVE-2008-1923 Vulnerability Report
-
http://downloads.digium.com/pub/security/AST-2008-006.html
Index of /pub/security/
-
http://bugs.digium.com/view.php?id=10078
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