Type Confusion in OWASP ModSecurity Core Rule Set (CRS) - CVE-2023-38199
Published: July 25, 2023
Vulnerability identifier: #VU78624
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2023-38199
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected application does not block multiple Content-Type headers. A remote attacker can pass specially crafted data to the application, trigger a type confusion error and bypass a WAF.
Affected software
OWASP ModSecurity Core Rule Set (CRS)
How to mitigate CVE-2023-38199
Install updates from vendor's website.
OWASP ModSecurity Core Rule Set (CRS) - update to 3.3.5