Build Of KeycloakApplication · Redhat

CVE-2024-7260

MEDIUM · 6.1 CVSS v3.1 Published 2024-09-09
Fix available
A fix is available. Upgrade to 24.0.7 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An open redirect vulnerability was found in Keycloak. A specially crafted URL can be constructed where the referrer and referrer_uri parameters are made to trick a user to visit a malicious webpage. A trusted URL can trick users and automation into believing that the URL is safe, when, in fact, it redirects to a malicious server. This issue can result in a victim inadvertently trusting the destination of the redirect, potentially leading to a successful phishing attack or other types of attacks. Once a crafted URL is made, it can be sent to a Keycloak admin via email for example. This will trigger this vulnerability when the user visits the page and clicks the link. A malicious actor can use this to target users they know are Keycloak admins for further attacks. It may also be possible to bypass other domain-related security checks, such as supplying this as a OAuth redirect uri. The malicious actor can further obfuscate the redirect_uri using URL encoding, to hide the text of the actual malicious website domain.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Keycloak contains an open redirect vulnerability where specially crafted URLs with manipulated referrer and referrer_uri parameters can redirect users to malicious websites. The vulnerability exploits the trust users place in legitimate Keycloak URLs, enabling phishing attacks and potential bypass of OAuth redirect_uri validation. URL encoding can obfuscate the malicious destination.

MitigationImplement strict validation of redirect_uri parameters against an allowlist of permitted domains, and disable or sanitize the referrer/referrer_uri parameters to prevent external redirect manipulation.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Build Of KeycloakApplication
Affected:< 24.0.7
KeycloakApplication
Affected:< 24.0.7

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Keycloak version
    Log into the Keycloak Administration Console and navigate to 'Server Info' > 'Versions', or run 'kcadm.sh get server-info' from the bin directory to retrieve the installed version.
    Affected if The installed version is lower than 24.0.7 for Red Hat Keycloak or Red Hat Build of Keycloak.
  2. Confirm Keycloak product variant
    In the Administration Console, check the 'System Info' page or server logs at startup to identify whether the deployment uses 'Red Hat Keycloak' or 'Red Hat Build of Keycloak'.
    Affected if The product is Red Hat Keycloak or Red Hat Build of Keycloak with a version below 24.0.7.
  3. Inspect OAuth redirect_uri validation settings
    Navigate to 'Realm Settings' > 'Redirect URIs' in the Administration Console and review the configured redirect URIs for client applications.
    Affected if Redirect URIs are configured but the referrer or referrer_uri parameters in authentication requests can override or bypass these settings.
  4. Review referrer header processing
    Examine the Keycloak server configuration files (standalone.xml or keycloak.conf) for any settings related to 'referrer' or 'referrer_uri' handling, and check authentication flow logs for redirect parameter usage.
    Affected if The server processes referrer or referrer_uri parameters without strict validation against an allowlist of permitted domains.

You are affected if you are running Red Hat Keycloak or Red Hat Build of Keycloak with a version lower than 24.0.7 and your applications rely on referrer or referrer_uri parameters for redirection.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 24.0.7 or later
Fixed in 24.0.7
Interim mitigation

Implement strict validation of redirect_uri parameters against an allowlist of permitted domains, and disable or sanitize the referrer/referrer_uri parameters to prevent external redirect manipulation.

Recommended fix High confidence

Keycloak 24.0.7 or later

  1. Identify the current Keycloak version in use by checking the Keycloak server status or configuration files
  2. Download Keycloak version 24.0.7 or later from the official Keycloak releases (https://github.com/keycloak/keycloak/releases)
  3. Review the Keycloak upgrade guide for migration steps between your current version and 24.0.7
  4. Back up the current Keycloak database and configuration files
  5. Stop the running Keycloak instance
  6. Install Keycloak 24.0.7 (or latest stable version) following the installation guide
  7. Migrate the database schema if required using the migration scripts provided in the upgrade documentation
  8. Update any custom themes, extensions, or integrations that may be affected by the version change
Caveat Review Keycloak 24.x migration guide for potential breaking changes in configuration, themes, or API compatibility

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Build Of Keycloak Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-7260 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data