#VU110542 Input validation error in PHP - CVE-2002-0717

Vulnerability identifier: #VU110542

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2002-0717

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

PHP 4.2.0 and 4.2.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via an HTTP POST request with certain arguments in a multipart/form-data form, which generates an error condition that is not properly handled and causes improper memory to be freed.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 4.2, 4.2.1

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External links
https://marc.info/?l=bugtraq&m=102734515923277&w=2
https://marc.info/?l=bugtraq&m=102734516023281&w=2
https://www.cert.org/advisories/CA-2002-21.html
https://www.iss.net/security_center/static/9635.php
https://www.kb.cert.org/vuls/id/929115

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.