CVE-2020-7613 : Security Advisory and Response

Clamscan through version 1.2.0 is vulnerable to Command Injection, allowing the injection of arbitrary commands. This CVE was made public on April 1, 2020, and poses a risk that requires specific conditions to exploit.

Understanding CVE-2020-7613

This CVE involves a vulnerability in clamscan that allows attackers to execute arbitrary commands through a specific function.

What is CVE-2020-7613?

CVE-2020-7613 is a Command Injection vulnerability in clamscan, enabling the injection of arbitrary commands under certain conditions.

The Impact of CVE-2020-7613

The vulnerability in clamscan can lead to unauthorized command execution, potentially compromising the security and integrity of systems utilizing this software.

Technical Details of CVE-2020-7613

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to inject arbitrary commands within the

_is_clamav_binary

function in

Index.js

of clamscan.

Affected Systems and Versions

Product: clamscan
Vendor: n/a
Versions affected: All versions including 1.2.0

Exploitation Mechanism

To exploit this vulnerability, a folder must be created with the same command that will be executed, reducing the risk of detection.

Mitigation and Prevention

Protecting systems from CVE-2020-7613 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update clamscan to a patched version that addresses the Command Injection vulnerability.
Implement strict input validation to prevent unauthorized command execution.

Long-Term Security Practices

Regularly monitor for security updates and patches for all software components.
Conduct security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Ensure that all software components, including clamscan, are regularly updated with the latest security patches to mitigate known vulnerabilities.