CVE-2022-21694: Incorrect Permission Assignment for Critical Resource in OnionShare

CVE-2022-21694 · Severity: low · CVSS 3.1 · Published 2022-01-18

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. The website mode of the onionshare allows to use a hardened CSP, which will block any scripts and external resources. It is not possible to configure this CSP for individual pages and therefore the security enhancement cannot be used for websites using javascript or external resources like fonts or images.

Technologies: onionshare-cli (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2022-21694 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2022-21694 being exploited in the wild.
How severe is CVE-2022-21694?
Low severity, with a CVSS score of 3.1, published 18 January 2022.
Which products and versions are affected?
onionshare-cli (PyPI) ECOSYSTEM:introduced=0,fixed=2.5, ECOSYSTEM:introduced=2.2,fixed=2.5.
Is there a fix for CVE-2022-21694?
Yes. onionshare-cli (PyPI): upgrade to 2.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2022-21694?
Check whether you run onionshare-cli (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • onionshare-cli (PyPI): upgrade to 2.5 or later
    pip install "onionshare-cli>=2.5"

Affected products

  • onionshare-cli (PyPI) ECOSYSTEM:introduced=0,fixed=2.5, ECOSYSTEM:introduced=2.2,fixed=2.5

Identifiers

  • CVE-2022-21694
  • GHSA-h29c-wcm8-883h
  • PYSEC-2022-45

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