CVE-2018-18552 : Vulnerability Insights and Analysis

CVE-2018-18552 pertains to a vulnerability in ServersCheck Monitoring Software version 14.3.3 that allows users to disrupt the system's menu functionality by exploiting a Directory Traversal bug. By manipulating the "id" parameter in sensor_details.html, attackers can create empty files in any directory, resulting in menu functionality loss.

Understanding CVE-2018-18552

This CVE entry highlights a specific vulnerability in ServersCheck Monitoring Software version 14.3.3 that can be exploited to cause a denial of service by disrupting menu functionality.

What is CVE-2018-18552?

The vulnerability in ServersCheck Monitoring Software version 14.3.3 enables local users to disrupt the system's menu functionality by creating a specific LNK file that references another LNK file associated with the Start menu. The root cause of this issue lies in a Directory Traversal bug that allows the manipulation of the "id" parameter in sensor_details.html to create empty files in any directory.

The Impact of CVE-2018-18552

Exploiting this vulnerability can lead to a loss of menu functionality in the affected system, potentially causing disruption and inconvenience to users.

Technical Details of CVE-2018-18552

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

Vulnerability Description

The vulnerability in ServersCheck Monitoring Software version 14.3.3 allows local users to disrupt menu functionality by creating an LNK file that points to a second LNK file associated with the Start menu. This behavior stems from a Directory Traversal bug that permits the creation of empty files in arbitrary directories.

Affected Systems and Versions

ServersCheck Monitoring Software version 14.3.3

Exploitation Mechanism

Attackers manipulate the "id" parameter in sensor_details.html to create empty files in any directory, leading to menu functionality loss.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2018-18552, consider the following steps:

Immediate Steps to Take

Update ServersCheck Monitoring Software to a patched version that addresses the vulnerability.
Implement proper input validation to prevent directory traversal attacks.

Long-Term Security Practices

Regularly monitor and update software for security patches.
Educate users on safe computing practices to prevent exploitation of vulnerabilities.

Patching and Updates

Apply security patches provided by ServersCheck for the affected version to mitigate the vulnerability.