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CVE-2007-1889

7.5 · HIGH

Integer signedness error in the _zend_mm_alloc_int function in the Zend Memory Manager in PHP 5.2.0 allows remote attackers to execute arbitrary code via a large emalloc request, related to an inco…

Published Apr 6, 2007phpEPSS 3.09%

Overview

CVE-2007-1889 is a high-severity vulnerability affecting php php. It was published on April 6, 2007 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

Integer signedness error in the _zend_mm_alloc_int function in the Zend Memory Manager in PHP 5.2.0 allows remote attackers to execute arbitrary code via a large emalloc request, related to an incorrect signed long cast, as demonstrated via the HTTP SOAP client in PHP, and via a call to msg_receive with the largest positive integer value of maxsize.

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

Refsecunia.com/advisories/25056Refsecunia.com/advisories/25062Refwww.debian.org/security/2007/dsa-1283Refwww.novell.com/linux/security/advisories/2007_32_php.htmlRefwww.php-security.org/MOPB/MOPB-43-2007.htmlRefwww.php-security.org/MOPB/MOPB-44-2007.htmlRefwww.securityfocus.com/bid/23238Refexchange.xforce.ibmcloud.com/vulnerabilities/33770Refsecunia.com/advisories/25056Refsecunia.com/advisories/25062

How CyberStrike helps

Frequently asked questions

What is CVE-2007-1889?

CVE-2007-1889 is a high-severity vulnerability affecting php php. It was published on April 6, 2007 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2007-1889?

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-2007-1889?

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-2007-1889?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-1889 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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