CVE-2021-21371: Execution of untrusted code through config file
Impact It is possible to run arbitrary commands through the yaml.load() method. This could allow an attacker with local access to the host to run arbitrary code by running the application with a specially crafted YAML configuration file.
Workarounds Manually adjust yaml.load() to yaml.safeload()
For more information If you have any questions or comments about this advisory: Open an issue in tenable/integration-jira-cloud Email us at vulnreport@tenable.com
Other sources
Tenable for Jira Cloud is an open source project designed to pull Tenable.io vulnerability data, then generate Jira Tasks and sub-tasks based on the vulnerabilities' current state. It published in pypi as "tenable-jira-cloud". In tenable-jira-cloud before version 1.1.21, it is possible to run arbitrary commands through the yaml.load() method. This could allow an attacker with local access to the host to run arbitrary code by running the application with a specially crafted YAML configuration file. This is fixed in version 1.1.21 by using yaml.safeload() instead of yaml.load().
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2021-21371?
CVE-2021-21371 is a vulnerability in Tenable for Jira Cloud that allows arbitrary code execution.
How severe is CVE-2021-21371?
CVE-2021-21371 has a severity score of 8.6, which is considered high.
What software is affected by CVE-2021-21371?
Tenable Jira Cloud versions up to but not including 1.1.21 are affected by CVE-2021-21371.
How can I fix CVE-2021-21371?
To fix CVE-2021-21371, update your Tenable Jira Cloud installation to a version higher than 1.1.21.
Where can I find more information about CVE-2021-21371?
You can find more information about CVE-2021-21371 on the GitHub page of Tenable for Jira Cloud and the PyPI page of tenable-jira-cloud.