CVE-2018-18074: PYSEC-2018-28 - The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http

CVE-2018-18074 · Severity: low · CVSS 3.1 · Published 2018-10-09

Technologies: requests (PyPI). Vendors: PyPI.

Executive brief

The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, which makes it easier for remote attackers to discover credentials by sniffing the network.

Affected products

PyPI requests

Related threats

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PYSEC-2026-1873 - Requests `Session` object does not verify requests after making first request with verify=False
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PYSEC-2023-74 - Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination servers when redirect
PYSEC-2015-17 - The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to conduct session fixation attacks vi