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cveGitHub_MCVE-2022-29185
HistoryMay 20, 2022 - 8:15 p.m.

CVE-2022-29185

2022-05-2020:15:10
CWE-203
CWE-208
GitHub_M
web.nvd.nist.gov
63
7
totp-rs
rust library
2fa
totp
token generation
token comparison
constant-time comparison
security vulnerability
cve-2022-29185
nvd

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:N/A:N

CVSS3

4.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.5

Confidence

High

EPSS

0.001

Percentile

42.5%

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.

Affected configurations

Nvd
Vulners
Node
totp-rs_projecttotp-rsRange<1.1.0rust
VendorProductVersionCPE
totp-rs_projecttotp-rs*cpe:2.3:a:totp-rs_project:totp-rs:*:*:*:*:*:rust:*:*

CNA Affected

[
  {
    "product": "totp-rs",
    "vendor": "constantoine",
    "versions": [
      {
        "status": "affected",
        "version": "<1.1.0"
      }
    ]
  }
]

Social References

More

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:N/A:N

CVSS3

4.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.5

Confidence

High

EPSS

0.001

Percentile

42.5%

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