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  5. CVE-2021-3702

CVE-2021-3702: ansible-runner vulnerable to Race Condition

August 24, 2022 (updated November 26, 2024)

A race condition flaw was found in ansible-runner, where an attacker could watch for rapid creation and deletion of a temporary directory, substitute their directory at that name, and then have access to ansible-runner’s private_data_dir the next time ansible-runner made use of the private_data_dir. The highest Threat out of this flaw is to integrity and confidentiality.

References

  • access.redhat.com/security/cve/CVE-2021-3702
  • bugzilla.redhat.com/show_bug.cgi?id=1977965
  • github.com/advisories/GHSA-772j-xvf9-qpf5
  • github.com/ansible/ansible-runner/commit/93e95a3df9021a38010386d07df121392d249253
  • github.com/ansible/ansible-runner/pull/742
  • github.com/ansible/ansible-runner/pull/742/commits
  • github.com/pypa/advisory-database/tree/main/vulns/ansible-runner/PYSEC-2022-43068.yaml
  • nvd.nist.gov/vuln/detail/CVE-2021-3702

Code Behaviors & Features

Detect and mitigate CVE-2021-3702 with GitLab Dependency Scanning

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Affected versions

All versions starting from 2.0.0 before 2.1.0

Fixed versions

  • 2.1.0

Solution

Upgrade to version 2.1.0 or above.

Impact 6.3 MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
  • CWE-377: Insecure Temporary File

Source file

pypi/ansible-runner/CVE-2021-3702.yml

Spotted a mistake? Edit the file on GitLab.

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