CVE-2022-39987 : Vulnerability Insights and Analysis

A Command injection vulnerability in RaspAP 2.8.0 thru 2.9.2 allows an authenticated attacker to execute arbitrary OS commands as root via the "entity" POST parameters in /ajax/networking/get_wgkey.php.

Understanding CVE-2022-39987

This section will provide insights into the nature and impact of the vulnerability.

What is CVE-2022-39987?

CVE-2022-39987 is a Command injection vulnerability found in RaspAP versions 2.8.0 through 2.9.2, which enables authenticated attackers to run arbitrary system commands with root privileges by utilizing the "entity" POST parameters within the /ajax/networking/get_wgkey.php endpoint.

The Impact of CVE-2022-39987

The exploit allows malicious actors who have valid credentials to execute commands on the host system with elevated privileges, potentially leading to unauthorized access, data theft, or further compromise of the affected system.

Technical Details of CVE-2022-39987

In this section, the technical aspects of the CVE will be explored.

Vulnerability Description

The vulnerability arises from insufficient input validation of the "entity" parameter in the specified PHP file, leading to the execution of unauthorized commands.

Affected Systems and Versions

RaspAP versions 2.8.0 through 2.9.2 are confirmed to be impacted by this vulnerability. Systems running these versions are at risk of exploitation.

Exploitation Mechanism

By crafting a malicious payload and sending it through the "entity" parameter in the targeted endpoint, attackers can execute arbitrary commands with escalated privileges.

Mitigation and Prevention

This section covers measures to mitigate the risks associated with CVE-2022-39987.

Immediate Steps to Take

Users are advised to update RaspAP to a patched version and restrict access to the vulnerable endpoint. Regular monitoring of system logs for suspicious activities is recommended.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and educating users on safe usage habits can enhance overall system security and prevent similar vulnerabilities.

Patching and Updates

Stay informed about security updates released by the RaspAP project. Timely application of patches and version upgrades is crucial to address known vulnerabilities and bolster the resilience of the system.