CVE-2017-18239

Description

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.

Risk Information

Base Score

9.8

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.398

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2017-18239 are fixed in Jason-Goodwin-authentikat-jwt_2.12 0.4.6	Windows
Vulnerabilities CVE-2017-18239 are fixed in Jason-Goodwin-authentikat-jwt_2.12 for Linux 0.4.6	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234