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CVE-2009-3559

7.5 · HIGH

main/streams/plain_wrapper.c in PHP 5.3.x before 5.3.1 does not recognize the safe_mode_include_dir directive, which allows context-dependent attackers to have an unknown impact by triggering the f…

Published Nov 23, 2009phpEPSS 2.70%

Overview

CVE-2009-3559 is a high-severity vulnerability affecting php php. It was published on November 23, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

main/streams/plain_wrapper.c in PHP 5.3.x before 5.3.1 does not recognize the safe_mode_include_dir directive, which allows context-dependent attackers to have an unknown impact by triggering the failure of PHP scripts that perform include or require operations, as demonstrated by a script that attempts to perform a require_once on a file in a standard library directory. NOTE: a reliable third party reports that this is not a vulnerability, because it results in a more restrictive security policy.

Remediation

Check the references section for vendor advisories and patches from php. Update php to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.php.net/bug.php?id=50063Reflists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlRefnews.php.net/php.announce/79Refsupport.apple.com/kb/HT4077Refwww.mandriva.com/security/advisories?name=MDVSA-2009:302Refwww.openwall.com/lists/oss-security/2009/11/20/2Refwww.openwall.com/lists/oss-security/2009/11/20/3Refwww.openwall.com/lists/oss-security/2009/11/20/5Refwww.php.net/ChangeLog-5.phpRefwww.php.net/releases/5_3_1.php

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3559?

CVE-2009-3559 is a high-severity vulnerability affecting php php. It was published on November 23, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2009-3559?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3559?

Check the references section for vendor advisories and patches from php. Update php to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3559?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3559 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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