GitHub Advisoryadvisory · Maven

GHSA-p7jq-v8jp-j424 Timing side channel vulnerability in endpoint request handler in Vaadin 15-19

MEDIUM Published 2021-04-19 Modified 2021-04-16 Official page ↗
Aliases
CVE-2021-31406
Ecosystem
Maven
Packages
com.vaadin:flow-server
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-203, CWE-208
Reviewed
2021-04-16

Affected packages

• Maven com.vaadin:flow-server: >= 3.0.0, < 5.0.4 → fixed in 5.0.4 • Maven com.vaadin:flow-server: >= 6.0.0, < 6.0.1 → fixed in 6.0.1

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

Alias · CVE (1)

  • CVE-2021-31406 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… vulnerability

Weakness · CWE (2)

  • CWE-203 Observable Discrepancy weakness
  • CWE-208 Observable Timing Discrepancy weakness

References