CVE-2021-3856

Description

ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.

References

https://issues.redhat.com/browse/KEYCLOAK-19422

https://github.com/keycloak/keycloak/pull/8588

https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743

https://bugzilla.redhat.com/show_bug.cgi?id=2010164

https://access.redhat.com/security/cve/CVE-2021-3856

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3