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CVE-2017-18239

N/A
Published: March 18, 2018 at 03:00 AM UTC
Updated: June 17, 2026 at 01:12 AM UTC
1 product affected across 1 vendorAuthentikat Jwt

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Severity
N/A
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/jasongoodwin/authentikat-jwt/commit/2d2fa0d40ac8f2f7aa7e9b070fa1a25eee082cb0
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/jasongoodwin/authentikat-jwt/issues/12
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/jasongoodwin/authentikat-jwt/pull/36

CVSS

5MEDIUM[email protected]
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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