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CVE

CWE

Training

CVE-2022-29185

Published: May 20, 2022

Modified: Apr 23, 2025

PUBLISHED

CVSS v3.1

4.2

MEDIUM

Description

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.

Vendor	Product	Versions
constantoine	totp-rs	affected `<1.1.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

https://github.com/constantoine/totp-rs/security/advisories/GHSA-8vxv-2g8p-2249

x_refsource_CONFIRM

https://github.com/constantoine/totp-rs/issues/13

x_refsource_MISC

https://github.com/constantoine/totp-rs/releases/tag/v1.1.0

x_refsource_MISC

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