Authentication Vulnerability in Keycloak SAML Broker by Red Hat
CVE-2019-10201

8.1HIGH

Key Information:

Vendor

Red Hat

Status
Keycloak
Vendor
CVE Published:
14 August 2019

What is CVE-2019-10201?

The Keycloak SAML broker prior to version 6.0.2 is susceptible to a vulnerability where it fails to validate the presence of message signatures. This allows an attacker to manipulate the SAML Response by removing the section, and subsequently, the modified messages are improperly accepted by the system. Exploiting this flaw could enable an attacker to impersonate legitimate users, leading to unauthorized access to sensitive information.

Affected Version(s)

keycloak up to keycloak 6.0.1

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201
x_refsource_CONFIRM

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2019-10201 : Authentication Vulnerability in Keycloak SAML Broker by Red Hat