CVE-2023-6291

Summary

A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.

Affected Software

VendorProductVersion RangeStatus
Red HatRed Hat build of Keycloak 2222.0.7-1 < *unaffected
Red HatRed Hat build of Keycloak 2222-6 < *unaffected
Red HatRed Hat build of Keycloak 2222-9 < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 70:18.0.11-2.redhat_00003.1.el7sso < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 70:18.0.12-1.redhat_00001.1.el7sso < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 80:18.0.11-2.redhat_00003.1.el8sso < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 80:18.0.12-1.redhat_00001.1.el8sso < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 90:18.0.11-2.redhat_00003.1.el9sso < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 90:18.0.12-1.redhat_00001.1.el9sso < *unaffected
Red HatRHEL-8 based Middleware Containers7.6-38 < *unaffected
Red HatRHEL-8 based Middleware Containers7.6.6-2 < *unaffected
Red HatRHEL-8 based Middleware Containers7.6-41 < *unaffected

Weaknesses

  • CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References