CVE-2018-1000809

Name of the Vulnerable Software and Affected Versions privacyIDEA versions prior to 2.23.2

Description The issue is related to improper input validation in the token validation API, which can lead to a Denial-of-Service. This can be exploited via an HTTP request to the "/validate/check" API endpoint with specific parameters, such as user= and pass=.

Recommendations For versions prior to 2.23.2, update to version 2.23.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the "/validate/check" API endpoint until the update is applied. Avoid using the user and pass parameters in the affected API endpoint until the issue is resolved.