CVE-2023-6927

Summary

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.

Affected Software

VendorProductVersion RangeStatus
Red HatRed Hat build of Keycloak 2222-7 < *unaffected
Red HatRed Hat Single Sign-On 7.6 for RHEL 70:18.0.11-3.redhat_00001.1.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 80:18.0.11-3.redhat_00001.1.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 90:18.0.11-3.redhat_00001.1.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 Containers7.6-39 < *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 do not 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

References