.. / CVE-2020-27838

Exploit for KeyCloak - Information Exposure (CVE-2020-27838)

Description:

A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.

Nuclei Template

View the template here CVE-2020-27838.yaml

Validate with Nuclei

echo "$URL" | nuclei -t ~/nuclei-templates/http/cves/2020/CVE-2020-27838.yaml
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References:

https://bugzilla.redhat.com/show_bug.cgi?id=1906797
https://github.com/j4k0m/godkiller
https://github.com/muneebaashiq/MBProjects
https://nvd.nist.gov/vuln/detail/CVE-2020-27838