CVE-2019-10201
High
Description
It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message is still accepted, and the message can be modified. An attacker could use this flaw to impersonate other users and gain access to sensitive information.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Redhat Keycloak
PublishedAug 14, 2019
First seenAug 14, 2019
Weakness typeCWE-592CWE-592
How to fix
Update
- org.keycloak:keycloak-core7.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat keycloak | v ≤ 6.0.1 | — |
| redhat single_sign-on | 7.0, 7.3.3 | — |
| org.keycloak:keycloak-coreMaven | v < 7.0.0 | 7.0.0 |
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