GHSA-q3cj-2r34-2cwc

Suggest an improvement
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.test.osv.dev/v1/vulns/GHSA-q3cj-2r34-2cwc
Aliases
Published
2022-05-17T02:51:56Z
Modified
2024-09-13T20:22:46.649355Z
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",
    "cwe_ids": [
        "CWE-20"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-17T21:29:04Z"
}
References

Affected packages

PyPI / cryptography

Package

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