medium4.0
CVE-2021-31403
Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8
Impact
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
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | com.vaadin:vaadin-bom | >= 7.0.0, < 7.7.24 | 7.7.24 |
| maven | com.vaadin:vaadin-server | >= 7.0.0, < 7.7.24 | 7.7.24 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vaadin | Vaadin | from 7.0.0 before 7.7.24 from 8.0.0 before 8.12.3 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/vaadin/framework/pull/12188
- https://github.com/vaadin/framework/pull/12190
- https://vaadin.com/security/cve-2021-31403
- https://github.com/advisories/GHSA-75xc-qvxh-27f8
- https://github.com/vaadin/framework/security/advisories/GHSA-75xc-qvxh-27f8
- https://nvd.nist.gov/vuln/detail/CVE-2021-31403