GitHub Advisoryadvisory · PyPI

GHSA-cmc7-mfmr-xqrx Logic error in authentication in proxy.py

HIGH Published 2021-04-07 Modified 2024-10-21 Official page ↗

Aliases: CVE-2021-3116
Ecosystem: PyPI
Packages: proxy.py
Severity: High
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses: CWE-287, CWE-480, CWE-697
Reviewed: 2021-04-06

Affected packages

• PyPI proxy.py: < 2.3.1 → fixed in 2.3.1

Description

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).

Alias · CVE (1)

CVE-2021-3116 before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data… vulnerability

Weakness · CWE (3)

CWE-287 Improper Authentication weakness
CWE-480 Use of Incorrect Operator weakness
CWE-697 Incorrect Comparison weakness

References

https://nvd.nist.gov/vuln/detail/CVE-2021-3116 advisory
https://github.com/abhinavsingh/proxy.py/pull/482 web
https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46 web
https://github.com/abhinavsingh/proxy.py/commit/bff171ec26d826ae1d22d2466eaf9d8bdbf059d3 web
https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication web
https://github.com/abhinavsingh/proxy.py package
https://github.com/advisories/GHSA-cmc7-mfmr-xqrx advisory
https://github.com/pypa/advisory-database/tree/main/vulns/proxy-py/PYSEC-2021-46.yaml web
https://pypi.org/project/proxy.py/2.3.1/#history web