CVE-2021-3856

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published8/26/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

redhat:keycloak

Weaknesses (CWE)

CWE-552CWE-22

References

https://access.redhat.com/security/cve/CVE-2021-3856(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2010164(secalert@redhat.com)

https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743(secalert@redhat.com)

https://github.com/keycloak/keycloak/pull/8588(secalert@redhat.com)

https://issues.redhat.com/browse/KEYCLOAK-19422(secalert@redhat.com)

https://access.redhat.com/security/cve/CVE-2021-3856(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=2010164(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/keycloak/keycloak/pull/8588(af854a3a-2127-422b-91ae-364da2661108)

https://issues.redhat.com/browse/KEYCLOAK-19422(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.