Uncontrolled Recursion in TYPO3 - CVE-2022-23500
Published: December 14, 2022
Vulnerability identifier: #VU70319
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23500
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to requesting invalid or non-existing resources via HTTP triggers the page error handler which again could retrieve content to be shown as an error message from another page. A remote attacker can cause a denial of service condition on the target system.
Affected software
TYPO3
How to mitigate CVE-2022-23500
Install updates from vendor's website.
TYPO3 - addressed in versions 9.5.38, 10.4.33, 11.5.20