CVE-2018-17776 Explained : Impact and Mitigation

PCProtect Anti-Virus v4.8.35 software has a vulnerability that allows local users to escalate their privileges by replacing an executable file with a malicious program.

Understanding CVE-2018-17776

PCProtect Anti-Virus v4.8.35 has a critical permission setting vulnerability that can be exploited by local users.

What is CVE-2018-17776?

The vulnerability in PCProtect Anti-Virus v4.8.35 allows local users to elevate their privileges by manipulating executable files in a specific directory.

The Impact of CVE-2018-17776

The vulnerability enables unauthorized users to gain elevated privileges on the system, potentially leading to further exploitation and compromise.

Technical Details of CVE-2018-17776

PCProtect Anti-Virus v4.8.35 vulnerability details.

Vulnerability Description

The software has a permission setting of "Everyone: (F)" for a specific directory, allowing local users to substitute executable files with malicious programs.

Affected Systems and Versions

Product: PCProtect Anti-Virus v4.8.35
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Local users can exploit the vulnerability by replacing legitimate executable files with malicious programs, thereby gaining elevated privileges.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-17776 vulnerability.

Immediate Steps to Take

Restrict access to the vulnerable directory to authorized users only.
Regularly monitor and audit file changes in critical directories.
Implement the principle of least privilege to limit user permissions.

Long-Term Security Practices

Conduct regular security training for users to raise awareness of potential threats.
Keep software and systems up to date with the latest security patches.

Patching and Updates

Apply patches or updates provided by the software vendor to address the vulnerability and enhance system security.