Timing Attack Affecting com.vaadin:flow-server Open this link in a new tab package, versions [3.0.0,5.0.4)
Attack Complexity
High
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snyk-id
SNYK-JAVA-COMVAADIN-1252643
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published
21 Apr 2021
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disclosed
19 Apr 2021
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credit
Unknown
Introduced: 19 Apr 2021
CVE-2021-31406 Open this link in a new tabHow to fix?
Upgrade com.vaadin:flow-server to version 5.0.4 or higher.
Overview
Affected versions of this package are vulnerable to Timing Attack. Non-constant-time comparison of CSRF tokens in endpoint request handler allows an attacker to guess a security token for Fusion endpoints via timing attack.