GHSA-q3cj-2r34-2cwc

Source

https://github.com/advisories/GHSA-q3cj-2r34-2cwc

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-q3cj-2r34-2cwc/GHSA-q3cj-2r34-2cwc.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-q3cj-2r34-2cwc

Aliases

Published

2022-05-17T02:51:56Z

Modified

2024-09-13T20:24:39.475398Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Improper input validation in cryptography

Details

HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.

Database specific

{
    "nvd_published_at": "2017-03-27T17:59:00Z",
    "severity": "HIGH",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-20"
    ],
    "github_reviewed_at": "2022-06-17T21:29:04Z"
}

References

Affected packages

PyPI / cryptography

Package

Name: cryptography; View open source insights on deps.dev
Purl: pkg:pypi/cryptography

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.5.3

Affected versions

0.*

0.1

0.2

0.2.1

0.2.2

0.3

0.4

0.5

0.5.1

0.5.2

0.5.3

0.5.4

0.6

0.6.1

0.7

0.7.1

0.7.2

0.8

0.8.1

0.8.2

0.9

0.9.1

0.9.2

0.9.3

1.*

1.0

1.0.1

1.0.2

1.1

1.1.1

1.1.2

1.2

1.2.1

1.2.2

1.2.3

1.3

1.3.1

1.3.2

1.3.3

1.3.4

1.4

1.5

1.5.1

1.5.2