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CVE-2006-3017

9.3 · HIGH

zend_hash_del_key_or_index in zend_hash.c in PHP before 4.4.3 and 5.x before 5.1.3 can cause zend_hash_del to delete the wrong element, which prevents a variable from being unset even when the PHP…

Published Jun 14, 2006phpEPSS 4.14%

Overview

CVE-2006-3017 is a high-severity vulnerability affecting php php. It was published on June 14, 2006 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

zend_hash_del_key_or_index in zend_hash.c in PHP before 4.4.3 and 5.x before 5.1.3 can cause zend_hash_del to delete the wrong element, which prevents a variable from being unset even when the PHP unset function is called, which might cause the variable's value to be used in security-relevant operations.

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
phpphp0Affected

References

Refftp://patches.sgi.com/support/free/security/advisories/20060701-01-URefarchives.neohapsis.com/archives/fulldisclosure/2006-08/0166.htmlRefcvs.php.net/viewcvs.cgi/Zend/zend_hash.c?hideattic=0&r1=1.87.4.8.2.1&r2=1.87.4.8.2.2Refcvs.php.net/viewcvs.cgi/Zend/zend_hash.c?hideattic=0&view=logRefrhn.redhat.com/errata/RHSA-2006-0549.htmlRefsecunia.com/advisories/19927Refsecunia.com/advisories/21031Refsecunia.com/advisories/21050Refsecunia.com/advisories/21125Refsecunia.com/advisories/21135

How CyberStrike helps

Frequently asked questions

What is CVE-2006-3017?

CVE-2006-3017 is a high-severity vulnerability affecting php php. It was published on June 14, 2006 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2006-3017?

This vulnerability has a CVSS 2.0 base score of 9.3, 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-2006-3017?

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-2006-3017?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-3017 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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