Resource Exhaustion Affecting zmartzone/mod_auth_openidc package, versions [,2.4.15.2)
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Test your applications- Snyk ID SNYK-UNMANAGED-ZMARTZONEMODAUTHOPENIDC-7573296
- published 30 Jul 2024
- disclosed 13 Feb 2024
- credit Unknown
Introduced: 13 Feb 2024
CVE-2024-24814 Open this link in a new tabHow to fix?
Upgrade zmartzone/mod_auth_openidc to version 2.4.15.2 or higher.
Overview
Affected versions of this package are vulnerable to Resource Exhaustion due to missing input validation in the mod_auth_openidc_session_chunks cookie value. An attacker can cause the application or system to slow down or crash by crafting a request that leads to unhandled errors.
Note: Proof of concept:
Open the application URL in the browser
Sign in using correct credentials
While using the application in signed in mode, open chrome dev tools and modify content of cookie
mod_auth_openidc_session_chunksand set it to 99999999 and refresh the pageApache + mod_auth_openidc will take some time, then return a 500