CVE-2020-10744 : Exploit Details and Defense Strategies

An incomplete fix for the flaw CVE-2020-1733 in Ansible affects multiple versions of Ansible Engine and Ansible Tower.

Understanding CVE-2020-10744

This CVE involves an incomplete fix for a previously identified vulnerability in Ansible, impacting specific versions of Ansible Engine and Ansible Tower.

What is CVE-2020-10744?

CVE-2020-10744 is a vulnerability in Ansible that allows a race condition on systems using ACLs and FUSE filesystems due to an incomplete fix for the flaw CVE-2020-1733.

The Impact of CVE-2020-10744

The vulnerability has a CVSS base score of 5 (Medium severity) with a high attack complexity and local attack vector. While the availability impact is low, it requires user interaction and affects confidentiality and integrity.

Technical Details of CVE-2020-10744

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw allows a race condition on systems using ACLs and FUSE filesystems due to an incomplete fix for CVE-2020-1733 in Ansible Engine and Ansible Tower.

Affected Systems and Versions

Ansible Engine versions 2.7.18 and prior, 2.8.12 and prior, 2.9.9 and prior
Ansible Tower versions 3.4.5 and prior, 3.5.6 and prior, 3.6.4 and prior

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a race condition on systems utilizing ACLs and FUSE filesystems.

Mitigation and Prevention

Protect your systems from CVE-2020-10744 with the following steps:

Immediate Steps to Take

Apply patches provided by Red Hat for Ansible Engine and Ansible Tower.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update Ansible Engine and Ansible Tower to the latest versions.
Implement least privilege access controls to limit potential damage.

Patching and Updates

Ensure timely installation of security patches and updates released by Red Hat for Ansible products.