Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 Vaadin 7.0.0 through 7.7.23, and 8.0.0 through 8.12.2 Vaadin 8.0.0 through 8.12.2 allows attacker to guess a security token via timing attack -...

CVE-2021-31403

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 Vaadin 7.0.0 through 7.7.23, and 8.0.0 through 8.12.2 Vaadin 8.0.0 through 8.12.2 allows attacker to guess a security token via timing attack...