CVE-2008-5558 describes a denial-of-service vulnerability affecting Asterisk Open Source versions 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, specifically when realtime IAX2 users are enabled. Remote attackers can crash the server by attempting authentication with an unknown user or a user employing hostname matching. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and partial availability impact, with no confidentiality or integrity impact. There is currently no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
b.2.3.4CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:* | ||
b.2.3.5CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.5:*:*:*:*:*:*:* | ||
b.2.5.0CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:*:*:*:*:*:*:* | ||
b.2.5.1CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.1:*:*:*:*:*:*:* | ||
b.2.5.3CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.