CVE-2020-1734

Description

A flaw was found in the pipe lookup plugin of ansible. Arbitrary commands can be run, when the pipe lookup plugin uses subprocess.Popen() with shell=True, by overwriting ansible facts and the variable is not escaped by quote plugin. An attacker could take advantage and run arbitrary commands by overwriting the ansible facts.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://security-tracker.debian.org/tracker/CVE-2020-1734
• https://nvd.nist.gov/vuln/detail/CVE-2020-1734
• https://github.com/ansible/ansible/issues/67792
• https://github.com/ansible/ansible/issues/70159
• https://github.com/ansible/ansible/pull/70596
• https://github.com/ansible/ansible/commit/4f978af4ca16ad9828ffe42203b9615425195f8b
• https://github.com/ansible/ansible/commit/963bdd9983b91a48fb6949fb2ef41071e72d0be0
• https://github.com/ansible/ansible/commit/bff0724e9eab2770f874e018298f9ab74cc2a78f
• https://github.com/ansible/ansible/commit/e5649ca3e807f17e7c034ee22791f107162973b0
• https://access.redhat.com/errata/RHBA-2020:0547
• https://access.redhat.com/errata/RHBA-2020:1539
• https://access.redhat.com/security/cve/CVE-2020-1734
• https://bugzilla.redhat.com/show_bug.cgi?id=1801804
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1734
• https://github.com/advisories/GHSA-h39q-95q5-9jfp
• https://github.com/ansible/ansible
• https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2020-6.yaml
• https://www.suse.com/security/cve/CVE-2020-1734.html