Description
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
CVSS breakdown
CVSS 3.0
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected products
- Red Hat / keycloak3.4.3.Final – 3.4.3.Final
References
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2018:3592
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2018:3593
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2018:3595
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2019:0877