GHSA-r838-q6jp-58xx

Suggest an improvement
Source
https://github.com/advisories/GHSA-r838-q6jp-58xx
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/10/GHSA-r838-q6jp-58xx/GHSA-r838-q6jp-58xx.json
JSON Data
https://api.test.osv.dev/v1/vulns/GHSA-r838-q6jp-58xx
Aliases
Published
2021-10-12T16:31:22Z
Modified
2024-10-21T20:24:59.639300Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/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 Restriction of Excessive Authentication Attempts in py-bcrypt
Details

The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.

Database specific
{
    "nvd_published_at": "2020-01-28T15:15:00Z",
    "cwe_ids": [
        "CWE-307"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-08T23:00:17Z"
}
References

Affected packages

PyPI / py-bcrypt

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.3

Affected versions

0.*

0.1
0.2