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urllib3 before 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.

The Requests package before 2.19.1 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.

Laurentiu-Andronache and others added 21 commits March 12, 2019 01:33
…2017.11.5-to-2019.3.9

Update certifi to 2019.3.9
…-1.1.0-to-1.1.2

Update pyblake2 to 1.1.2
…-2.18.4-to-2.21.0

Update requests to 2.21.0
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Laurentiu-Andronache commented Mar 13, 2019

docs build is failing, last 3 commits should solve that too

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