CVE-2007-4103 describes a denial-of-service vulnerability affecting the IAX2 channel driver in Asterisk Open 1.2.x and 1.4.x, as well as Asterisk Appliance Developer Kit, when configured to permit unauthenticated calls. An attacker can exploit this by flooding the system with incomplete calls, leading to resource exhaustion as ast_channels are allocated but not released. This vulnerability has a CVSS v3.1 score of 7.5 (High), indicating a network-exploitable issue with low attack complexity and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.2.20, < 1.2.23CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 1.4.0, < 1.4.9CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
< 0.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.