// For flags

CVE-2017-18239

 

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Una comprobación de igualdad sensible al tiempo en la firma JWT en el método JsonWebToken.validate en main/scala/authentikat/jwt/JsonWebToken.scala en authentikat-jwt (también conocido como com.jason-goodwin/authentikat-jwt), en versiones 0.4.5 y anteriores, permite que el proveedor de un token JWT adivine bit tras bit de la firma mediante la repetición de peticiones de validación.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-03-17 CVE Reserved
  • 2018-03-18 CVE Published
  • 2023-08-08 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Authentikat-jwt Project
Search vendor "Authentikat-jwt Project"
 Authentikat-jwt
Search vendor "Authentikat-jwt Project" for product "Authentikat-jwt"
 <= 0.4.5
Search vendor "Authentikat-jwt Project" for product "Authentikat-jwt" and version " <= 0.4.5"
-
Affected