Timing Attack Affecting com.vaadin:flow-server package, versions [3.0.0,5.0.4)


0.0
medium

Snyk CVSS

    Attack Complexity High
Expand this section
NVD
2.5 low

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  • Snyk ID SNYK-JAVA-COMVAADIN-1252643
  • published 21 Apr 2021
  • disclosed 19 Apr 2021
  • credit Unknown

How to fix?

Upgrade com.vaadin:flow-server to version 5.0.4 or higher.

Overview

Affected versions of this package are vulnerable to Timing Attack. Non-constant-time comparison of CSRF tokens in endpoint request handler allows an attacker to guess a security token for Fusion endpoints via timing attack.