CRLF injection in PHP - CVE-2024-11234
Published: November 19, 2024 / Updated: June 4, 2025
Vulnerability identifier: #VU100673
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-11234
CWE-ID: CWE-93
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to insufficient validation of URIs in streams component when using proxy. A remote attacker can pass specially crafted data to the application containing CR-LF characters and perform a spoofing attack.
How to mitigate CVE-2024-11234
Install update from vendor's website.