Vulnerability Monitor

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CVE-2019-10201

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.

Published

2019-08-14T17:15:11.143

Last Modified

2024-11-21T04:18:38.627

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.0

Impact Score

4.9

Weaknesses
  • Type: Secondary
    CWE-592
  • Type: Primary
    CWE-347
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redhat keycloak ≤ 6.0.1 Yes
Application redhat single_sign-on 7.0 Yes
Application redhat single_sign-on 7.3.3 Yes
References