Severity
Severity not reported.
Affected versions
typo3 Bitnami
| Affected | Fixed in |
|---|---|
9.0.0 to before 9.5.38 | 9.5.38 |
10.0.0 to before 10.4.33 | 10.4.33 |
11.0.0 to before 11.5.20 | 11.5.20 |
Severity for this package
| |
Description
TYPO3 is an open source PHP based web content management system. In versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1, 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. This leads to a scenario in which the application is calling itself recursively - amplifying the impact of the initial attack until the limits of the web server are exceeded. This vulnerability is very similar, but not identical, to the one described in CVE-2021-21359. This issue is patched in versions 9.5.38 ELTS, 10.4.33, 11.5.20 or 12.1.1.