GHSA-cmc7-mfmr-xqrx

Logic error in authentication in proxy.py

Source: GitHub Advisory Database (reviewed) High CVE-2021-3116

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	proxy.py	< 2.3.1	2.3.1

Details

As written in the advisory (Markdown source, shown as plain text).

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).

References

External links from the advisory. They lead to third-party sites.

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