GitHub Advisoryadvisory · Maven

GHSA-9h6g-6mxg-vvp4 Timing side channel vulnerability in endpoint request handler in Vaadin 15-19

MEDIUM Published 2021-04-19 Modified 2021-10-08 Official page ↗
Ecosystem
Maven
Packages
com.vaadin:vaadin-bom
Severity
Moderate
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-208
Reviewed
2021-04-16

Affected packages

• Maven com.vaadin:vaadin-bom: >= 19.0.0, < 19.0.1 → fixed in 19.0.1 • Maven com.vaadin:vaadin-bom: >= 15.0.0, < 18.0.7 → fixed in 18.0.7

Description

Non-constant-time comparison of CSRF tokens in endpoint request handler in `com.vaadin:flow-server` versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack. • https://vaadin.com/security/cve-2021-31406

Related

Weakness · CWE (1)

  • CWE-208 Observable Timing Discrepancy weakness

References