CVE-2019-7644

Auth0 Auth0-WCF-Service-JWT before 1.0.4 leaks the expected JWT signature in an error message when it cannot successfully validate the JWT signature. If this error message is presented to an attacker, they can forge an arbitrary JWT token that will be accepted by the vulnerable application.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://auth0.com/docs/security/bulletins/cve-2019-7644	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:auth0:auth0-wcf-service-jwt:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-04-11 20:29

Updated : 2023-12-10 12:59

NVD link : CVE-2019-7644

Mitre link : CVE-2019-7644

CVE.ORG link : CVE-2019-7644

JSON object : View

Products Affected

auth0

auth0-wcf-service-jwt

CWE

CWE-209

Generation of Error Message Containing Sensitive Information

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