CVE-2020-10221 Explained : Impact and Mitigation

rConfig through version 3.94 is vulnerable to remote code execution via a specific parameter, allowing attackers to execute arbitrary OS commands.

Understanding CVE-2020-10221

This CVE identifies a critical vulnerability in rConfig that enables remote attackers to run malicious commands on the target system.

What is CVE-2020-10221?

The vulnerability in lib/ajaxHandlers/ajaxAddTemplate.php in rConfig through 3.94 permits the execution of unauthorized OS commands by exploiting shell metacharacters in the fileName POST parameter.

The Impact of CVE-2020-10221

Exploitation of this vulnerability can lead to severe consequences, including unauthorized access, data theft, system compromise, and potential disruption of services.

Technical Details of CVE-2020-10221

rConfig through version 3.94 is susceptible to remote code execution due to inadequate input validation.

Vulnerability Description

The flaw allows remote attackers to execute arbitrary OS commands by injecting shell metacharacters into the fileName POST parameter within the affected file.

Affected Systems and Versions

Product: rConfig
Vendor: N/A
Versions: All versions up to and including 3.94

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests containing malicious shell metacharacters in the fileName parameter, leading to the execution of unauthorized commands.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2020-10221.

Immediate Steps to Take

Disable or restrict access to the vulnerable component/libraries if not essential for operations.
Implement strict input validation mechanisms to prevent malicious input.
Regularly monitor and analyze system logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Keep systems and software up to date with the latest security patches and updates.

Patching and Updates

Apply patches or updates provided by the rConfig project to address the vulnerability and enhance system security.