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GHSA-75xc-qvxh-27f8

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

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-31403

Packages

EcosystemPackageAffectedFixed in
Maven com.vaadin:vaadin-bom >= 7.0.0, < 7.7.24 7.7.24
Maven com.vaadin:vaadin-bom >= 8.0.0, < 8.12.3 8.12.3
Maven com.vaadin:vaadin-server >= 7.0.0, < 7.7.24 7.7.24
Maven com.vaadin:vaadin-server >= 8.0.0, < 8.12.3 8.12.3

Details

As written in the advisory (Markdown source, shown as plain text).

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 - https://vaadin.com/security/cve-2021-31403

References

External links from the advisory. They lead to third-party sites.