#VU110536 Input validation error in PHP - CVE-2002-2214

Vulnerability identifier: #VU110536

Vulnerability risk: Medium

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

CVE-ID: CVE-2002-2214

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 perform service disruption.

The php_if_imap_mime_header_decode function in the IMAP functionality in PHP before 4.2.2 allows remote attackers to cause a denial of service (crash) via an e-mail header with a long "To" header.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 4.2, 4.2.1

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External links
https://bugs.php.net/bug.php?id=15595
https://secunia.com/advisories/21202
https://www.redhat.com/support/errata/RHSA-2006-0567.html
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175040

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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.