CVE-2017-18239

A time-sensitive equality check on the JWT signature in the JsonWebToken.validate method in main/scala/authentikat/jwt/JsonWebToken.scala in authentikat-jwt (aka com.jason-goodwin/authentikat-jwt) version 0.4.5 and earlier allows the supplier of a JWT token to guess bit after bit of the signature by repeating validation requests.

CVSS v3 9.8 CRITICAL
CVSS v2.0 5.0 MEDIUM

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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/jasongoodwin/authentikat-jwt/commit/2d2fa0d40ac8f2f7aa7e9b070fa1a25eee082cb0	Patch Third Party Advisory
https://github.com/jasongoodwin/authentikat-jwt/issues/12	Issue Tracking Third Party Advisory
https://github.com/jasongoodwin/authentikat-jwt/pull/36	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:authentikat-jwt_project:authentikat-jwt:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-03-18 03:29

Updated : 2023-12-10 12:30

NVD link : CVE-2017-18239

Mitre link : CVE-2017-18239

CVE.ORG link : CVE-2017-18239

JSON object : View

Products Affected

authentikat-jwt_project

authentikat-jwt

CWE

NVD-CWE-noinfo

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