CVE-2018-19168 : Security Advisory and Response

This CVE involves a Shell Metacharacter Injection vulnerability in the www/modules/save.php file within FruityWifi, allowing attackers to execute unauthorized code as the root user.

Understanding CVE-2018-19168

This vulnerability enables attackers to execute arbitrary code with root privileges by manipulating a specific parameter in a POST request.

What is CVE-2018-19168?

CVE-2018-19168 is a Shell Metacharacter Injection vulnerability in FruityWifi up to version 2.4, allowing remote attackers to execute unauthorized code as the root user.

The Impact of CVE-2018-19168

Attackers can execute unauthorized code with root privileges through a crafted parameter in a POST request.
Unlike CVE-2018-17317, this exploit does not require a valid session to be established.

Technical Details of CVE-2018-19168

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows remote attackers to execute arbitrary code with root privileges by manipulating the mod_name parameter in a POST request.

Affected Systems and Versions

FruityWifi versions up to 2.4 are affected by this vulnerability.

Exploitation Mechanism

Attackers exploit this vulnerability by submitting a specifically manipulated mod_name parameter within a POST request.

Mitigation and Prevention

Protecting systems from CVE-2018-19168 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update FruityWifi to the latest version to patch the vulnerability.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Implement strong input validation mechanisms to prevent injection attacks.
Regularly audit and update security configurations.

Patching and Updates

Apply security patches promptly to mitigate the risk of exploitation.