CVE-2024-11234: php Input Validation Flaw — Exploit

Description

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, when using streams with configured proxy and "request_fulluri" option, the URI is not properly sanitized which can lead to HTTP request smuggling and allow the attacker to use the proxy to perform arbitrary HTTP requests originating from the server, thus potentially gaining access to resources not normally available to the external user.

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CVSS v3.1 Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-74 CWE-74

Affected Products

Vendor	Product	Versions
php	php	8.1.0 — 8.1.31
php	php	8.2.0 — 8.2.26
php	php	8.3.0 — 8.3.14

References

Exploits

https://github.com/php/php-src/security/advisories/GHSA-c5f2-jwm7-mmq2

Other References

https://lists.debian.org/debian-lts-announce/2024/12/msg00007.html https://security.netapp.com/advisory/ntap-20241220-0008/

Frequently Asked Questions

What is CVE-2024-11234? +

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, when using streams with configured proxy and "request_fulluri" option, the URI is not properly sanitized which can lead to HTTP request smuggling and allow the attacker to use the proxy to perform arbitrary HTTP requests originating from the server, thus potentially gaining access to resources not normally available to the external user. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2024-11234? +

CVE-2024-11234 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-11234? +

CVE-2024-11234 affects products from php, specifically: php. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-11234? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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