high8.1
CVE-2019-10201
Improper Verification of Cryptographic Signature in keycloak
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.keycloak:keycloak-core | <= 6.0.1 | 7.0.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Redhat | Keycloak | through 6.0.1 |
| Redhat | Single Sign-On | Versions 7.0, 7.3.3 |