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CVE-2020-1740

3.9 · LOW

A flaw was found in Ansible Engine when using Ansible Vault for editing encrypted files.

Published Mar 16, 2020CWE-377EPSS 0.36%

Overview

CVE-2020-1740 is a low-severity vulnerability. It was published on March 16, 2020 and has a CVSS 3.1 base score of 3.9 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A flaw was found in Ansible Engine when using Ansible Vault for editing encrypted files. When a user executes "ansible-vault edit", another user on the same computer can read the old and new secret, as it is created in a temporary file with mkstemp and the returned file descriptor is closed and the method write_data is called to write the existing secret in the file. This method will delete the file before recreating it insecurely. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1740GitHubgithub.com/ansible/ansible/issues/67798Reflists.debian.org/debian-lts-announce/2020/05/msg00005.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKPA4KC3OJSUFASUYMG66HKJE7ADNGFW/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRRYUU5ZBLPBXCYG6CFP35D64NP2UB2S/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQVOQD4VAIXXTVQAJKTN7NUGTJFE2PCB/Refsecurity.gentoo.org/glsa/202006-11Refwww.debian.org/security/2021/dsa-4950Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1740GitHubgithub.com/ansible/ansible/issues/67798

How CyberStrike helps

Frequently asked questions

What is CVE-2020-1740?

CVE-2020-1740 is a low-severity vulnerability. It was published on March 16, 2020 and has a CVSS 3.1 base score of 3.9 (LOW).

How severe is CVE-2020-1740?

This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-1740?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-1740?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-1740 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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