Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2022-08-26T16:15:09.570

Last Modified

2024-11-21T06:22:39.990

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-552
Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	redhat	keycloak	< 15.1.0	Yes

References

https://access.redhat.com/security/cve/CVE-2021-3856 Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2010164 Issue Tracking, Vendor Advisory ([email protected])
https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743 Patch, Third Party Advisory ([email protected])
https://github.com/keycloak/keycloak/pull/8588 Patch, Third Party Advisory ([email protected])
https://issues.redhat.com/browse/KEYCLOAK-19422 Permissions Required, Vendor Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2021-3856 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2010164 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/keycloak/keycloak/pull/8588 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://issues.redhat.com/browse/KEYCLOAK-19422 Permissions Required, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)