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CVE-2007-1900

5.0 · MEDIUM

CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address wit…

Published Apr 10, 2007phpEPSS 2.53%

Overview

CVE-2007-1900 is a medium-severity vulnerability affecting php php. It was published on April 10, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\n' character, which causes a regular expression to ignore the subsequent part of the address string.

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

Refh20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795Refsecunia.com/advisories/24824Refsecunia.com/advisories/25056Refsecunia.com/advisories/25057Refsecunia.com/advisories/25062Refsecunia.com/advisories/25445Refsecunia.com/advisories/25535Refsecunia.com/advisories/26231Refsecunia.com/advisories/27037Refsecunia.com/advisories/27102

How CyberStrike helps

Frequently asked questions

What is CVE-2007-1900?

CVE-2007-1900 is a medium-severity vulnerability affecting php php. It was published on April 10, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2007-1900?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-1900?

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-2007-1900?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-1900 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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