GitHub Advisory DatabaseGHSA-XVV8-8WH9-9FH2Keycloak Authentication Error
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
36.6%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| org.keycloak:keycloak-services | lt | 4.4.0.Final | |
| org.keycloak:keycloak-saml-adapter-core | lt | 4.4.0.Final |
References
access.redhat.com/errata/RHSA-2018:3592
access.redhat.com/errata/RHSA-2018:3593
access.redhat.com/errata/RHSA-2018:3595
access.redhat.com/errata/RHSA-2019:0877
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894
github.com/advisories/GHSA-xvv8-8wh9-9fh2
github.com/keycloak/keycloak/commit/812e76c39b1e693e8f11e5549cca2c90631f372e
nvd.nist.gov/vuln/detail/CVE-2018-10894
Related
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
36.6%