CVE-2017-5996 Explained : Impact and Mitigation

Bomgar Remote Support versions 15.2.x before 15.2.3, 16.1.x before 16.1.5, and 16.2.x before 16.2.4 are affected by weak permissions on the %SYSTEMDRIVE%\ProgramData folder, enabling DLL hijacking by the agent.

Understanding CVE-2017-5996

This CVE entry details a vulnerability in Bomgar Remote Support software that could allow DLL hijacking due to inadequate permissions on specific folders.

What is CVE-2017-5996?

The vulnerability in Bomgar Remote Support versions 15.2.x, 16.1.x, and 16.2.x allows an attacker to exploit weak permissions on the %SYSTEMDRIVE%\ProgramData folder, leading to DLL hijacking by the agent.

The Impact of CVE-2017-5996

The vulnerability could be exploited by a malicious actor to execute arbitrary code on the target system, potentially leading to further compromise or unauthorized access.

Technical Details of CVE-2017-5996

Bomgar Remote Support versions 15.2.x, 16.1.x, and 16.2.x are susceptible to DLL hijacking due to weak permissions on specific folders.

Vulnerability Description

The agent in Bomgar Remote Support software versions mentioned above allows DLL hijacking because of inadequate permissions on the %SYSTEMDRIVE%\ProgramData folder.

Affected Systems and Versions

Bomgar Remote Support 15.2.x before 15.2.3
Bomgar Remote Support 16.1.x before 16.1.5
Bomgar Remote Support 16.2.x before 16.2.4

Exploitation Mechanism

The vulnerability arises from weak permissions on the %SYSTEMDRIVE%\ProgramData folder, enabling an attacker to perform DLL hijacking by manipulating the agent.

Mitigation and Prevention

To address CVE-2017-5996, follow these steps:

Immediate Steps to Take

Update Bomgar Remote Support to versions 15.2.3, 16.1.5, or 16.2.4 to mitigate the vulnerability.
Restrict access to critical system folders to prevent unauthorized DLL hijacking.

Long-Term Security Practices

Regularly monitor and audit file and folder permissions to ensure proper access controls.
Implement the principle of least privilege to restrict unnecessary access to system resources.

Patching and Updates

Apply security patches and updates provided by Bomgar to address vulnerabilities and enhance system security.