Bypass of Redirect URI Validation in Keycloak May Lead to Access Token Theft
CVE-2024-2419

7.1HIGH

Key Information:

Vendor
Red Hat
Status
Upstream
Red Hat Build Of Keycloak 22
Vendor
CVE Published:
17 April 2024

Summary

A security flaw in Keycloak's implementation of the redirect_uri validation logic could enable attackers to bypass predefined host restrictions. This flaw allows for potential access token theft, which may lead attackers to impersonate legitimate users. The vulnerability is noteworthy due to its similarities to previous issues that were exploited, highlighting the need for immediate remediation in the affected versions of Keycloak.

References

https://access.redhat.com/errata/RHSA-2024:1867
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2024-2419
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2269371
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Red Hat would like to thank Taha Marzak for reporting this issue.
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