chore(deps): update dependency requests to v2.31.0 [security] #593
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This PR contains the following updates:
==2.28.1
->==2.31.0
GitHub Vulnerability Alerts
CVE-2023-32681
Impact
Since Requests v2.3.0, Requests has been vulnerable to potentially leaking
Proxy-Authorization
headers to destination servers, specifically during redirects to an HTTPS origin. This is a product of howrebuild_proxies
is used to recompute and reattach theProxy-Authorization
header to requests when redirected. Note this behavior has only been observed to affect proxied requests when credentials are supplied in the URL user information component (e.g.https://username:password@proxy:8080
).Current vulnerable behavior(s):
For HTTP connections sent through the proxy, the proxy will identify the header in the request itself and remove it prior to forwarding to the destination server. However when sent over HTTPS, the
Proxy-Authorization
header must be sent in the CONNECT request as the proxy has no visibility into further tunneled requests. This results in Requests forwarding the header to the destination server unintentionally, allowing a malicious actor to potentially exfiltrate those credentials.The reason this currently works for HTTPS connections in Requests is the
Proxy-Authorization
header is also handled by urllib3 with our usage of the ProxyManager in adapters.py withproxy_manager_for
. This will compute the required proxy headers inproxy_headers
and pass them to the Proxy Manager, avoiding attaching them directly to the Request object. This will be our preferred option going forward for default usage.Patches
Starting in Requests v2.31.0, Requests will no longer attach this header to redirects with an HTTPS destination. This should have no negative impacts on the default behavior of the library as the proxy credentials are already properly being handled by urllib3's ProxyManager.
For users with custom adapters, this may be potentially breaking if you were already working around this behavior. The previous functionality of
rebuild_proxies
doesn't make sense in any case, so we would encourage any users impacted to migrate any handling of Proxy-Authorization directly into their custom adapter.Workarounds
For users who are not able to update Requests immediately, there is one potential workaround.
You may disable redirects by setting
allow_redirects
toFalse
on all calls through Requests top-level APIs. Note that if you're currently relying on redirect behaviors, you will need to capture the 3xx response codes and ensure a new request is made to the redirect destination.Credits
This vulnerability was discovered and disclosed by the following individuals.
Dennis Brinkrolf, Haxolot (https://haxolot.com/)
Tobias Funke, (tobiasfunke93@gmail.com)
Release Notes
psf/requests (requests)
v2.31.0
Compare Source
Security
Versions of Requests between v2.3.0 and v2.30.0 are vulnerable to potential
forwarding of
Proxy-Authorization
headers to destination servers whenfollowing HTTPS redirects.
When proxies are defined with user info (https://user:pass@proxy:8080), Requests
will construct a
Proxy-Authorization
header that is attached to the request toauthenticate with the proxy.
In cases where Requests receives a redirect response, it previously reattached
the
Proxy-Authorization
header incorrectly, resulting in the value beingsent through the tunneled connection to the destination server. Users who rely on
defining their proxy credentials in the URL are strongly encouraged to upgrade
to Requests 2.31.0+ to prevent unintentional leakage and rotate their proxy
credentials once the change has been fully deployed.
Users who do not use a proxy or do not supply their proxy credentials through
the user information portion of their proxy URL are not subject to this
vulnerability.
Full details can be read in our Github Security Advisory
and CVE-2023-32681.
v2.30.0
Compare Source
Dependencies
This may contain minor breaking changes so we advise careful testing and
reviewing https://urllib3.readthedocs.io/en/latest/v2-migration-guide.html
prior to upgrading.
Users who wish to stay on urllib3 1.x can pin to
urllib3<2
.v2.29.0
Compare Source
Improvements
standardization. (#6226)
v2.28.2
Compare Source
Dependencies
Bugfixes
Configuration
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PR-Codex overview
This PR focuses on updating various dependencies and generated code.
Detailed summary
requests
library from version 2.28.1 to 2.31.0 in bothdevops/requirements.txt
andpython/requirements.txt
.grpcio-tools
library from version 1.28.1 to 1.31.0 indevops/requirements.txt
.PyYAML
library from version 5.4.1 to 6.0 indevops/requirements.txt
.gql[all]
library from version 3.3.0 to 3.4.0 indevops/requirements.txt
.python-dateutil
library from version 2.8.1 to 2.8.2 indevops/requirements.txt
.grpclib
library from version 0.4.2 to 0.4.3 inpython/requirements.txt
.protoc-gen-go
to 1.31.0 in multiple Go files.protoc
to 3.20.3 in multiple Go files.javaGenerateEqualsAndHash
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