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CVE-2004-1020

5.0 · MEDIUM

The addslashes function in PHP 4.3.9 does not properly escape a NULL (/0) character, which may allow remote attackers to read arbitrary files in PHP applications that contain a directory traversal…

Published Jan 10, 2005phpEPSS 7.07%

Overview

CVE-2004-1020 is a medium-severity vulnerability affecting php php. It was published on January 10, 2005 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

The addslashes function in PHP 4.3.9 does not properly escape a NULL (/0) character, which may allow remote attackers to read arbitrary files in PHP applications that contain a directory traversal vulnerability in require or include statements, but are otherwise protected by the magic_quotes_gpc mechanism. NOTE: this issue was originally REJECTed by its CNA before publication, but that decision is in active dispute. This candidate may change significantly in the future as a result of further discussion.

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

Refdistro.conectiva.com.br/atualizacoes/?id=a&anuncio=000915Refwww.gentoo.org/security/en/glsa/glsa-200412-14.xmlRefwww.mandriva.com/security/advisories?name=MDKSA-2004:151Refwww.php.net/release_4_3_10.phpRefwww.securityfocus.com/advisories/9028Refwww.securityfocus.com/archive/1/384663Refwww.securityfocus.com/bid/11981Refexchange.xforce.ibmcloud.com/vulnerabilities/18516Refdistro.conectiva.com.br/atualizacoes/?id=a&anuncio=000915Refwww.gentoo.org/security/en/glsa/glsa-200412-14.xml

How CyberStrike helps

Frequently asked questions

What is CVE-2004-1020?

CVE-2004-1020 is a medium-severity vulnerability affecting php php. It was published on January 10, 2005 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2004-1020?

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-2004-1020?

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-2004-1020?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2004-1020 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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