CVE-2008-1923
Summary
| CVE | CVE-2008-1923 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2008-04-23 16:05:00 UTC |
| Updated | 2026-04-23 00:35:47 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:M/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Asterisk | Asterisknow | 1.0 | All | All | All |
| Application | Asterisk | Asterisknow | 1.0.1 | All | All | All |
| Application | Asterisk | Asterisknow | All | All | All | All |
| Application | Asterisk | Asterisk Appliance Developer Kit | All | All | All | All |
| Application | Asterisk | Asterisk Business Edition | a | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.1.3.2 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.1.3.3 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.2.0 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.2.1 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.3.1 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.3.2 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.3.3 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.3.4 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | b.2.5.0 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | c.1.0-beta7 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | c.1.0-beta8 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | c.1.0beta7 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | c.1.6.1 | All | All | All |
| Application | Asterisk | Asterisk Business Edition | All | All | All | All |
| Application | Asterisk | Asterisk Business Edition | All | All | All | All |
| Application | Asterisk | Open Source | 1.0 | All | All | All |
| Application | Asterisk | Open Source | 1.0.0 | All | All | All |
| Application | Asterisk | Open Source | 1.0.1 | All | All | All |
| Application | Asterisk | Open Source | 1.0.11 | All | All | All |
| Application | Asterisk | Open Source | 1.0.11.1 | All | All | All |
| Application | Asterisk | Open Source | 1.0.12 | All | All | All |
| Application | Asterisk | Open Source | 1.0.2 | All | All | All |
| Application | Asterisk | Open Source | 1.0.3 | All | All | All |
| Application | Asterisk | Open Source | 1.0.4 | All | All | All |
| Application | Asterisk | Open Source | 1.0.5 | All | All | All |
| Application | Asterisk | Open Source | 1.0.6 | All | All | All |
| Application | Asterisk | Open Source | 1.0.7 | All | All | All |
| Application | Asterisk | Open Source | 1.0.8 | All | All | All |
| Application | Asterisk | Open Source | 1.0.9 | All | All | All |
| Application | Asterisk | Open Source | 1.2.0 | All | All | All |
| Application | Asterisk | Open Source | 1.2.1 | All | All | All |
| Application | Asterisk | Open Source | 1.2.10 | All | All | All |
| Application | Asterisk | Open Source | 1.2.10 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.11 | All | All | All |
| Application | Asterisk | Open Source | 1.2.11 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.12 | All | All | All |
| Application | Asterisk | Open Source | 1.2.12 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.12.1 | All | All | All |
| Application | Asterisk | Open Source | 1.2.13 | All | All | All |
| Application | Asterisk | Open Source | 1.2.13 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.14 | All | All | All |
| Application | Asterisk | Open Source | 1.2.14 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.15 | All | All | All |
| Application | Asterisk | Open Source | 1.2.15 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.16 | All | All | All |
| Application | Asterisk | Open Source | 1.2.16 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.17 | All | All | All |
| Application | Asterisk | Open Source | 1.2.17 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.18 | All | All | All |
| Application | Asterisk | Open Source | 1.2.18 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.19 | All | All | All |
| Application | Asterisk | Open Source | 1.2.19 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.2 | All | All | All |
| Application | Asterisk | Open Source | 1.2.20 | All | All | All |
| Application | Asterisk | Open Source | 1.2.20 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.21 | All | All | All |
| Application | Asterisk | Open Source | 1.2.21 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.21.1 | All | All | All |
| Application | Asterisk | Open Source | 1.2.21.1 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.22 | All | All | All |
| Application | Asterisk | Open Source | 1.2.22 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.23 | All | All | All |
| Application | Asterisk | Open Source | 1.2.23 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.24 | All | All | All |
| Application | Asterisk | Open Source | 1.2.24 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.25 | All | All | All |
| Application | Asterisk | Open Source | 1.2.25 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.26 | All | All | All |
| Application | Asterisk | Open Source | 1.2.26 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.26.1 | All | All | All |
| Application | Asterisk | Open Source | 1.2.26.1 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.26.2 | All | All | All |
| Application | Asterisk | Open Source | 1.2.26.2 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.27 | All | All | All |
| Application | Asterisk | Open Source | 1.2.28 | All | All | All |
| Application | Asterisk | Open Source | 1.2.3 | All | All | All |
| Application | Asterisk | Open Source | 1.2.3 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.4 | All | All | All |
| Application | Asterisk | Open Source | 1.2.4 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.5 | All | All | All |
| Application | Asterisk | Open Source | 1.2.5 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.6 | All | All | All |
| Application | Asterisk | Open Source | 1.2.6 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.7 | All | All | All |
| Application | Asterisk | Open Source | 1.2.7 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.7.1 | All | All | All |
| Application | Asterisk | Open Source | 1.2.7.1 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.8 | All | All | All |
| Application | Asterisk | Open Source | 1.2.8 | netsec | All | All |
| Application | Asterisk | Open Source | 1.2.9 | All | All | All |
| Application | Asterisk | Open Source | 1.2.9.1 | All | All | All |
| Application | Asterisk | Open Source | 1.2.9.1 | netsec | All | All |
| Application | Asterisk | Open Source | 1.4.0 | All | All | All |
| Application | Asterisk | Open Source | 1.4.0 | beta2 | All | All |
| Application | Asterisk | Open Source | 1.4.0 | beta3 | All | All |
| Application | Asterisk | Open Source | 1.4.0 | beta4 | All | All |
| Application | Asterisk | Open Source | 1.4.1 | All | All | All |
| Application | Asterisk | Open Source | 1.4.10 | All | All | All |
| Application | Asterisk | Open Source | 1.4.10.1 | All | All | All |
| Application | Asterisk | Open Source | 1.4.11 | All | All | All |
| Application | Asterisk | Open Source | 1.4.12 | All | All | All |
| Application | Asterisk | Open Source | 1.4.12.1 | All | All | All |
| Application | Asterisk | Open Source | 1.4.13 | All | All | All |
| Application | Asterisk | Open Source | 1.4.14 | All | All | All |
| Application | Asterisk | Open Source | 1.4.15 | All | All | All |
| Application | Asterisk | Open Source | 1.4.16 | All | All | All |
| Application | Asterisk | Open Source | 1.4.16.1 | All | All | All |
| Application | Asterisk | Open Source | 1.4.16.2 | All | All | All |
| Application | Asterisk | Open Source | 1.4.17 | All | All | All |
| Application | Asterisk | Open Source | 1.4.18 | All | All | All |
| Application | Asterisk | Open Source | 1.4.18.1 | All | All | All |
| Application | Asterisk | Open Source | 1.4.19 | rc1 | All | All |
| Application | Asterisk | Open Source | 1.4.19 | rc2 | All | All |
| Application | Asterisk | Open Source | 1.4.19 | rc3 | All | All |
| Application | Asterisk | Open Source | 1.4.19 | rc4 | All | All |
| Application | Asterisk | Open Source | 1.4.2 | All | All | All |
| Application | Asterisk | Open Source | 1.4.3 | All | All | All |
| Application | Asterisk | Open Source | 1.4.4 | All | All | All |
| Application | Asterisk | Open Source | 1.4.5 | All | All | All |
| Application | Asterisk | Open Source | 1.4.6 | All | All | All |
| Application | Asterisk | Open Source | 1.4.7 | All | All | All |
| Application | Asterisk | Open Source | 1.4.7.1 | All | All | All |
| Application | Asterisk | Open Source | 1.4.8 | All | All | All |
| Application | Asterisk | Open Source | 1.4.9 | All | All | All |
| Application | Asterisk | S800i | 1.0 | All | All | All |
| Application | Asterisk | S800i | 1.0.1 | All | All | All |
| Application | Asterisk | S800i | 1.0.2 | All | All | All |
| Application | Asterisk | S800i | 1.0.3 | All | All | All |
| Application | Asterisk | S800i | 1.0.3.3 | All | All | All |
| Application | Asterisk | S800i | 1.1.0 | All | All | All |
| Application | Asterisk | S800i | 1.1.0.1 | All | All | All |
| Application | Asterisk | S800i | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 0010078: IAX2 protocol flaw in IC_NEW could cause reflective amplification DoS - Digium Issue Tracker | af854a3a-2127-422b-91ae-364da2661108 | bugs.digium.com | |
| AST-2008-006 | af854a3a-2127-422b-91ae-364da2661108 | downloads.digium.com | |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| AltSci Concepts Computer Journal - IAX2 protocol flaw in IC_NEW could cause reflective amplification DoS | af854a3a-2127-422b-91ae-364da2661108 | www.altsci.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.