Vulnerability Details : CVE-2018-10894
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.
Products affected by CVE-2018-10894
- cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-10894
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-10894
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:N |
8.0
|
4.9
|
NIST | |
5.4
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
NIST | |
5.4
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
Red Hat, Inc. |
CWE ids for CVE-2018-10894
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
-
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2018-10894
-
https://access.redhat.com/errata/RHSA-2018:3592
RHSA-2018:3592 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
https://access.redhat.com/errata/RHSA-2019:0877
RHSA-2019:0877 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2018:3593
RHSA-2018:3593 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2018:3595
RHSA-2018:3595 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894
1599434 – (CVE-2018-10894) CVE-2018-10894 keycloak: auth permitted with expired certs in SAML clientIssue Tracking;Patch;Vendor Advisory
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