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CVE-2022-29185— Observable Timing Discrepancy in totp-rs

Quick assessment

Affected
constantoine totp-rs
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

totp-rs是用于创建 2FA 身份验证令牌的工具。 totp-rs 1.1.0之前版本存在安全漏洞，该漏洞源于为每个基于时间的一次性密码 (TOTP) 创建 2FA 身份验证令牌。

CVSS 4.2 · Medium EPSS 0.83% · P54

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2022-29185

Vulnerability Information
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Vulnerability Title
Observable Timing Discrepancy in totp-rs
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
totp-rs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
totp-rs是用于创建 2FA 身份验证令牌的工具。 totp-rs 1.1.0之前版本存在安全漏洞，该漏洞源于为每个基于时间的一次性密码 (TOTP) 创建 2FA 身份验证令牌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
constantoine totp-rs <1.1.0 -

II. Public POCs for CVE-2022-29185

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III. Intelligence Information for CVE-2022-29185

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Vendor Advisories for CVE-2022-29185 (1)

Other References for CVE-2022-29185 (2)

IV. Related Vulnerabilities

Same weakness: CWE-208

V. Comments for CVE-2022-29185

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