Timing Attack Affecting com.vaadin:flow-server Open this link in a new tab package, versions [,1.0.14) [1.1.0,2.4.7) [3.0.0,5.0.3)
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15 Feb 2021
26 Jan 2021
How to fix?
com.vaadin:flow-server to version 1.0.14, 2.4.7, 5.0.3 or higher.
Affected versions of this package are vulnerable to Timing Attack due to using inconstant time comparison for CSRF tokens in the UIDL request handler, allowing attackers to guess a security token.