CVE-2022-29185

totp-rs is a Rust library that permits the creation of 2FA authentification tokens per time-based one-time password (TOTP). Prior to version 1.1.0, token comparison was not constant time, and could theorically be used to guess value of an TOTP token, and thus reuse it in the same time window. The attacker would have to know the password beforehand nonetheless. Starting with patched version 1.1.0, the library uses constant-time comparison. There are currently no known workarounds.

• CWE-203
• CWE-208
• CWE-203

• https://github.com/constantoine/totp-rs/issues/13Issue Tracking, Third Party Advisory
• https://github.com/constantoine/totp-rs/releases/tag/v1.1.0Release Notes, Third Party Advisory
• https://github.com/constantoine/totp-rs/security/advisories/GHSA-8vxv-2g8p-2249Third Party Advisory
• https://github.com/constantoine/totp-rs/issues/13Issue Tracking, Third Party Advisory
• https://github.com/constantoine/totp-rs/releases/tag/v1.1.0Release Notes, Third Party Advisory
• https://github.com/constantoine/totp-rs/security/advisories/GHSA-8vxv-2g8p-2249Third Party Advisory

Published

May 20, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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