CVE-2021-3701 Explained : Impact and Mitigation
Learn about CVE-2021-3701, a vulnerability in ansible-runner allowing unauthorized access to files. Explore the impact, affected versions, and mitigation strategies.
A detailed overview of CVE-2021-3701 highlighting the vulnerability found in ansible-runner and its impact on system security.
Understanding CVE-2021-3701
This section provides insight into the nature of the vulnerability and its implications for affected systems.
What is CVE-2021-3701?
CVE-2021-3701 is a flaw discovered in ansible-runner that allows an attacker to manipulate default temporary files configuration, potentially compromising confidentiality and integrity.
The Impact of CVE-2021-3701
The vulnerability poses a significant risk by enabling unauthorized access to private information or tampering with files in unexpected locations, potentially leading to data breaches.
Technical Details of CVE-2021-3701
Explore the specific technical aspects of the CVE-2021-3701 vulnerability to better understand its scope and implications.
Vulnerability Description
The flaw arises from the default configuration of temporary files in ansible-runner 2.0.0, which may be written to world-readable and writable locations, enabling directory pre-creation and unauthorized access.
Affected Systems and Versions
ansible-runner 2.0.0 is confirmed to be affected by this vulnerability, potentially impacting systems utilizing this version.
Exploitation Mechanism
Attackers can exploit this flaw by pre-creating directories to force ansible-runner to read/write files in unexpected locations, compromising system security.
Mitigation and Prevention
Discover the essential steps to mitigate the risks associated with CVE-2021-3701 and safeguard vulnerable systems.
Immediate Steps to Take
Implement access controls to restrict unauthorized directory creation and regularly monitor temporary file configurations to prevent unauthorized access.
Long-Term Security Practices
Enforce the principle of least privilege, regularly update ansible-runner to patched versions, and conduct security audits to identify and address vulnerabilities proactively.
Patching and Updates
Ensure timely installation of security patches provided by ansible-runner to address the CVE-2021-3701 vulnerability and enhance system security.