REDHAT-BUG-2221760
First published: Mon Jul 10 2023(Updated: )
Keycloak does not correctly validate its client step-up authentication. A password-authed attacker could use this flaw to register a false second auth factor, alongside the existing one, to a targeted account. The second factor then permits step-up authentication.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Keycloak |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of REDHAT-BUG-2221760?
REDHAT-BUG-2221760 is considered a critical severity vulnerability due to its potential for unauthorized access through step-up authentication.
How do I fix REDHAT-BUG-2221760?
To fix REDHAT-BUG-2221760, update your Red Hat Build of Keycloak to the latest patched version provided by Red Hat.
Who is affected by REDHAT-BUG-2221760?
Users of the Red Hat Build of Keycloak are affected by the vulnerability identified as REDHAT-BUG-2221760.
What type of attack does REDHAT-BUG-2221760 enable?
REDHAT-BUG-2221760 enables a password-authenticated attack that allows an attacker to falsely register a second authentication factor.
When was REDHAT-BUG-2221760 reported?
REDHAT-BUG-2221760 was reported as part of a security vulnerability disclosure process and has associated errata updates for resolution.
- agent/references
- agent/severity
- agent/description
- agent/first-publish-date
- agent/type
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-3597
- agent/last-modified-date
- agent/source
- agent/tags
- agent/softwarecombine
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/red hat
- canonical/keycloak