CVE-2018-6318 : Security Advisory and Response
Learn about CVE-2018-6318 affecting Sophos Tester Tool 3.2.0.7 Beta. Understand the impact, affected systems, exploitation, and mitigation steps to prevent DLL Hijacking attacks.
Sophos Tester Tool 3.2.0.7 Beta is susceptible to a DLL Hijacking vulnerability due to a lack of validation on loaded DLLs, allowing an attacker to replace them with malicious ones.
Understanding CVE-2018-6318
What is CVE-2018-6318?
The vulnerability in Sophos Tester Tool 3.2.0.7 Beta enables an attacker to conduct a DLL Hijacking attack by replacing a DLL with a malicious one of the same name.
The Impact of CVE-2018-6318
This vulnerability allows for the loading of a malicious DLL, potentially leading to unauthorized access, data theft, or system compromise.
Technical Details of CVE-2018-6318
Vulnerability Description
The driver in Sophos Tester Tool 3.2.0.7 Beta fails to verify the DLL loaded during exploit or ransomware testing, enabling an attacker to substitute it with a malicious DLL.
Affected Systems and Versions
- Product: Sophos Tester Tool 3.2.0.7 Beta
- Vendor: Sophos
- Version: 3.2.0.7
Exploitation Mechanism
- Attackers can locally or remotely replace the DLL with a malicious one of the same name.
Mitigation and Prevention
Immediate Steps to Take
- Avoid using untrusted DLLs in applications.
- Implement code signing and integrity checks for DLL loading.
Long-Term Security Practices
- Regularly update software and security patches.
- Conduct security audits to identify and mitigate vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Sophos to address the DLL Hijacking vulnerability.