4.3

CVE-2021-3856

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Redhat ≫ Keycloak Version < 15.1.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.9% 0.55
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CWE-552 Files or Directories Accessible to External Parties

The product makes files or directories accessible to unauthorized actors, even though they should not be.

https://access.redhat.com/security/cve/CVE-2021-3856
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2010164
Vendor Advisory
Issue Tracking
https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743
Patch
Third Party Advisory
https://github.com/keycloak/keycloak/pull/8588
Patch
Third Party Advisory
https://issues.redhat.com/browse/KEYCLOAK-19422
Vendor Advisory
Permissions Required