CVE-2008-1923 describes a denial-of-service vulnerability in the IAX2 channel driver (chan_iax2) of Asterisk 1.2 and 1.4, affecting various Asterisk distributions. When configured to allow unauthenticated calls, the system sends "early audio" to an unverified source IP of a NEW message, enabling remote attackers to cause traffic amplification via spoofed NEW messages. This vulnerability has a CVSS score of 7.1, indicating high severity with network attack vector and high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:* | ||
<= b2.5.1CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:* | ||
<= c1.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:* | ||
aCPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:a:*:*:*:*:*:*:* | ||
b.1.3.2CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.