Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS0zdzR2LXJ2YzQtMnhwd84AAuf6

Keycloak has Files or Directories Accessible to External Parties

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.

Permalink: https://github.com/advisories/GHSA-3w4v-rvc4-2xpw
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS0zdzR2LXJ2YzQtMnhwd84AAuf6
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 1 year ago
Updated: 10 months ago

CVSS Score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Identifiers: GHSA-3w4v-rvc4-2xpw, CVE-2021-3856
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-3856
• https://github.com/keycloak/keycloak/pull/8588
• https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743
• https://access.redhat.com/security/cve/CVE-2021-3856
• https://bugzilla.redhat.com/show_bug.cgi?id=2010164
• https://issues.redhat.com/browse/KEYCLOAK-19422
• https://github.com/advisories/GHSA-3w4v-rvc4-2xpw

Repository: https://github.com/keycloak/keycloak
Blast Radius: 13.2

Affected Packages