CVE-2020-15167 : Vulnerability Insights and Analysis

In Miller (command line utility) using the configuration file support introduced in version 5.9.0, an attacker can run arbitrary code by placing a malicious

.mlrrc

file in the working directory. A fix is available in Miller 5.9.1.

Understanding CVE-2020-15167

This CVE involves arbitrary code execution in Miller due to a vulnerability in the configuration file support.

What is CVE-2020-15167?

CVE-2020-15167 is a security vulnerability in Miller that allows an attacker to execute arbitrary code by manipulating the

.mlrrc

configuration file.

The Impact of CVE-2020-15167

The impact of this vulnerability is rated as HIGH with a CVSS base score of 8.2. It can lead to confidentiality, integrity, and availability compromises.

Technical Details of CVE-2020-15167

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Miller allows attackers to execute arbitrary code by exploiting the configuration file support in version 5.9.0.

Affected Systems and Versions

Affected Product: Miller
Vendor: Johnkerl
Affected Version: 5.9.0

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a malicious

.mlrrc

file in the working directory of the Miller utility.

Mitigation and Prevention

Protecting systems from CVE-2020-15167 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Miller to version 5.9.1 once the fix is released.
Avoid running Miller with untrusted configuration files.
Regularly monitor for any suspicious activities in the working directory.

Long-Term Security Practices

Implement secure coding practices to prevent code injection vulnerabilities.
Conduct regular security audits and code reviews to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates promptly to ensure that the vulnerability is mitigated.