Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWNtYzctbWZtci14cXJ4

Logic error in authentication in proxy.py

before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).

Permalink: https://github.com/advisories/GHSA-cmc7-mfmr-xqrx
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWNtYzctbWZtci14cXJ4
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 3 years ago
Updated: 7 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Identifiers: GHSA-cmc7-mfmr-xqrx, CVE-2021-3116
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-3116
• https://pypi.org/project/proxy.py/2.3.1/#history
• https://github.com/pypa/advisory-database/tree/main/vulns/proxy-py/PYSEC-2021-46.yaml
• https://github.com/abhinavsingh/proxy.py/pull/482
• https://github.com/abhinavsingh/proxy.py/commit/bff171ec26d826ae1d22d2466eaf9d8bdbf059d3
• https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication
• https://github.com/advisories/GHSA-cmc7-mfmr-xqrx

Repository: https://github.com/abhinavsingh/proxy.py
Blast Radius: 16.5

Affected Packages