CVE-2020-11021

HTTP request which redirect to another hostname do not strip authorization header in Actions Http-Client

Description

Actions Http-Client (NPM @actions/http-client) before version 1.0.8 can disclose Authorization headers to incorrect domain in certain redirect scenarios. The conditions in which this happens are if consumers of the http-client: 1. make an http request with an authorization header 2. that request leads to a redirect (302) and 3. the redirect url redirects to another domain or hostname Then the authorization header will get passed to the other domain. The problem is fixed in version 1.0.8.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.35%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: actions http-client
Published at:
Updated at:

References

Link Tags
https://github.com/actions/http-client/security/advisories/GHSA-9w6v-m7wp-jwg4 third party advisory
https://github.com/actions/http-client/pull/27 third party advisory patch
https://github.com/actions/http-client/commit/f6aae3dda4f4c9dc0b49737b36007330f78fd53a third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-11021?
CVE-2020-11021 has been scored as a medium severity vulnerability.
How to fix CVE-2020-11021?
To fix CVE-2020-11021, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11021 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-11021 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-11021?
CVE-2020-11021 affects actions http-client.
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