CVE-2023-32681
requests - security update
Description
Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination servers when redirected to an HTTPS endpoint. This is a product of how we use `rebuild_proxies` to reattach the `Proxy-Authorization` header to requests. For HTTP connections sent through the tunnel, 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 the tunneled request. This results in Requests forwarding proxy credentials to the destination server unintentionally, allowing a malicious actor to potentially exfiltrate sensitive information. This issue has been patched in version 2.31.0.
How to fix CVE-2023-32681
To remediate CVE-2023-32681, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 2.21.0-1+deb10u1 or later
- —upgrade to 2.31.0 or later
- —upgrade to 74ea7cf7a6a27a4eeb2ae24e162bcc942a6706d5 or later
Is CVE-2023-32681 being exploited?
Moderate — EPSS is 5.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0
- from 0, < 2.21.0-1+deb10u1
- >= 2.3.0, < 2.31.0
- from 0, < 74ea7cf7a6a27a4eeb2ae24e162bcc942a6706d5 | >= 2.3.0, < 2.31.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N |