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OpenAdvisories
Medium · 4.0 CVE-2021-31404 EUVD-2021-0890GHSA-xwg3-qrcg-w9x6

Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18

Published Apr 23, 2021 · Updated Sep 16, 2024 · Assigned by Vaadin

Description

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack.

Affected products

VendorProductAffectedFixed
Vaadin Vaadin 10.0.0 —
Vaadin flow-server 1.0.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Maven com.vaadin:flow-server >= 1.0.0, < 1.0.14 1.0.14 GHSA-xwg3-qrcg-w9x6
Maven com.vaadin:flow-server >= 1.1.0, < 2.4.7 2.4.7 GHSA-xwg3-qrcg-w9x6
Maven com.vaadin:flow-server >= 3.0.0, < 5.0.3 5.0.3 GHSA-xwg3-qrcg-w9x6

References