GHSA-75xc-qvxh-27f8

ghsaUSosv

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

view advisory published 2021-04-19Licence: CC-BY-4.0

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

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2021-31403US	low2.5	0.31% (23rd)	—	2021-04-23
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.…

references

External citations — patches, advisories, analysis.

https://github.com/vaadin/framework/pull/12188WEB
https://github.com/vaadin/framework/pull/12190WEB
https://github.com/vaadin/framework/security/advisories/GHSA-75xc-qvxh-27f8WEB
https://nvd.nist.gov/vuln/detail/CVE-2021-31403ADVISORY
https://vaadin.com/security/cve-2021-31403WEB

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