In breve
- CVE-2022-24712 è una vulnerabilità ALTO (CVSS 8.8) che riguarda codeigniter4/framework, codeigniter (codeigniter).
- Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.56%, superiore al 47.0% delle vulnerabilità.
- Correzione: aggiornare a 4.1.9 o successiva.
Description
Impact
This vulnerability might allow remote attackers to bypass the CodeIgniter4 CSRF protection mechanism.
Patches
Upgrade to v4.1.9 or later.
Workarounds
These are workarounds for this vulnerability, but you will still need to code as these after upgrading to v4.1.9.
Otherwise, the CSRF protection may be bypassed.
When Auto-Routing is Enabled
- Check the request method in the controller method before processing.
E.g.:
if (strtolower($this->request->getMethod()) !== 'post') {
return $this->response->setStatusCode(405)->setBody('Method Not Allowed');
}
When Auto-Routing is Disabled
Do one of the following:
- Do not use
$routes->add(), and use HTTP verbs in routes.
- Check the request method in the controller method before processing.
E.g.:
if (strtolower($this->request->getMethod()) !== 'post') {
return $this->response->setStatusCode(405)->setBody('Method Not Allowed');
}
References
For more information
If you have any questions or comments about this advisory:
NVD description
CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. A vulnerability in versions prior to 4.1.9 might allow remote attackers to bypass the CodeIgniter4 Cross-Site Request Forgery (CSRF) protection mechanism. Users should upgrade to version 4.1.9. There are workarounds for this vulnerability, but users will still need to code as these after upgrading to v4.1.9. Otherwise, the CSRF protection may be bypassed. If auto-routing is enabled, check the request method in the controller method before processing. If auto-routing is disabled, either avoid using `$routes->add()` and instead use HTTP verbs in routes; or check the request method in the controller method before processing.
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