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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTNyaG0tNjdqNi00Mmpx

Exposure of Sensitive information in authentikat-jwt

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.

Permalink: https://github.com/advisories/GHSA-3rhm-67j6-42jq
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTNyaG0tNjdqNi00Mmpx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 5 years ago
Updated: over 1 year ago


CVSS Score: 9.8
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-3rhm-67j6-42jq, CVE-2017-18239
References: Repository: https://github.com/jasongoodwin/authentikat-jwt
Blast Radius: 4.7

Affected Packages

maven:com.jason-goodwin:authentikat-jwt_2.12
Dependent packages: 1
Dependent repositories: 3
Downloads:
Affected Version Ranges: <= 0.4.5
Fixed in: 0.4.6
All affected versions: 0.4.4, 0.4.5
All unaffected versions: