CVE-2021-3701: ansible-runner has default temporary files written to world R/W locations

CVE-2021-3701 · Severity: low · CVSS 3.1 · Published 2022-08-23

A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations. This flaw allows an attacker to pre-create the directory, resulting in reading private information or forcing ansible-runner to write files as the legitimate user in a place they did not expect. The highest threat from this vulnerability is to confidentiality and integrity.

Technologies: ansible-runner (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2021-3701 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3701 being exploited in the wild.
How severe is CVE-2021-3701?
Low severity, with a CVSS score of 3.1, published 23 August 2022.
Which products and versions are affected?
ansible-runner (PyPI) ECOSYSTEM:introduced=2.0.0,fixed=2.1.0.
Is there a fix for CVE-2021-3701?
Yes. ansible-runner (PyPI): upgrade to 2.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-3701?
Check whether you run ansible-runner (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

  • ansible-runner (PyPI): upgrade to 2.1.0 or later
    pip install "ansible-runner>=2.1.0"

Affected products

  • ansible-runner (PyPI) ECOSYSTEM:introduced=2.0.0,fixed=2.1.0

Identifiers

  • CVE-2021-3701
  • GHSA-wwch-cmqr-hhrm
  • PYSEC-2022-43067

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