#VU108058 Input validation error in Slim-Psr7 - CVE-2023-30536

 

#VU108058 Input validation error in Slim-Psr7 - CVE-2023-30536

Published: April 29, 2025


Vulnerability identifier: #VU108058
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-30536
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Slim-Psr7
Software vendor:
slimphp

Description

The vulnerability allows a remote attacker to alter application's behavior.

The vulnerability exists due to insufficient validation of HTTP headers with newline characters. A remote attacker with ability to control the header names that are passed to Slilm-Psr7 can craft invalid messages, possibly causing application errors or invalid HTTP requests being sent out with an PSR-18 HTTP client.


Remediation

Install updates from vendor's website.

External links