PT-2021-3507 · Red Hat · Keycloak

Fritterhoff · Published 2021-05-12 · Updated 2022-11-23 · CVE-2021-3632

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Keycloak (affected versions not specified)

Description The issue is related to weaknesses in the WebAuthn authentication mechanism. It allows an attacker to register a new security device or key for any user without a previously registered device, using the WebAuthn password-less login flow. This could enable a remote attacker to gain unauthorized access to protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2021-03556

CVE-2021-3632

GHSA-QPQ9-JPV4-6GWR

RHSA-2021:3527

RHSA-2021:3528

RHSA-2021:3529

Affected Products

Keycloak

References · 13

• https://github.com/keycloak/keycloak/pull/8203 · Patch
• https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4 · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=1978196 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-qpq9-jpv4-6gwr · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3632 · Security Note
• https://access.redhat.com/security/cve/CVE-2021-3632 · Vendor Advisory
• https://issues.redhat.com/browse/KEYCLOAK-18500 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03556 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3632 · Vendor Advisory
• https://github.com/keycloak/keycloak · Note
• https://t.me/cvenotify/38318 · Telegram Post
• https://access.redhat.com/security/cve/cve-2021-3632 · Note
• https://security.archlinux.org/CVE-2021-3632 · Note