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.

CVSS v3 8.1 HIGH
CVSS v2.0 5.5 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201	Issue Tracking Mitigation Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201	Issue Tracking Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:keycloak::::::::
	cpe:2.3:a:redhat:single_sign-on:7.0:::::::*
	cpe:2.3:a:redhat:single_sign-on:7.3.3:::::::*

History

21 Nov 2024, 04:18

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201 - Issue Tracking, Mitigation, Vendor Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201 - Issue Tracking, Mitigation, Vendor Advisory

Information

Published : 2019-08-14 17:15

Updated : 2024-11-21 04:18

NVD link : CVE-2019-10201

Mitre link : CVE-2019-10201

CVE.ORG link : CVE-2019-10201

JSON object : View

Products Affected

redhat

keycloak
single_sign-on

CWE

CWE-592

DEPRECATED: Authentication Bypass Issues

CWE-347

Improper Verification of Cryptographic Signature

{"id": "CVE-2019-10201", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "published": "2019-08-14T17:15:11.143", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201", "tags": ["Issue Tracking", "Mitigation", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201", "tags": ["Issue Tracking", "Mitigation", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-592"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se detect\u00f3 que el broker SAML de Keycloak, versiones hasta 6.0.1, no comprobaba la falta de firmas de mensajes. Si un atacante modifica la Respuesta SAML y elimina las secciones (Signature), el mensaje sigue siendo aceptado y el mensaje puede ser modificado. Un atacante podr\u00eda utilizar este fallo para hacerse pasar por otros usuarios y obtener acceso a informaci\u00f3n confidencial."}], "lastModified": "2024-11-21T04:18:38.627", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4169303-407C-4964-8A5E-D34AC060239A", "versionEndIncluding": "6.0.1"}, {"criteria": "cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9EFEC7CA-8DDA-48A6-A7B6-1F1D14792890"}, {"criteria": "cpe:2.3:a:redhat:single_sign-on:7.3.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5463868E-60F5-4E8F-AC8F-82AA4088E1FB"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}