CVE-2017-12312 : Vulnerability Insights and Analysis
Learn about CVE-2017-12312, a security flaw in Cisco Immunet Antimalware Installer allowing arbitrary code execution via DLL hijacking. Find mitigation steps and preventive measures.
A security vulnerability in the Cisco Immunet antimalware installer allows an attacker to execute arbitrary code by hijacking DLL files.
Understanding CVE-2017-12312
What is CVE-2017-12312?
The vulnerability, known as an untrusted search path or DLL Preloading vulnerability, enables an authenticated attacker with local access to execute arbitrary code by manipulating DLL files.
The Impact of CVE-2017-12312
The vulnerability could lead to the execution of commands on a Microsoft Windows host with privileges equivalent to the SYSTEM account, requiring valid user credentials for exploitation.
Technical Details of CVE-2017-12312
Vulnerability Description
Insufficient validation of path and file names of DLL files before loading them in the Cisco Immunet antimalware installer.
Affected Systems and Versions
- Product: Cisco Immunet Antimalware Installer
- Version: Cisco Immunet Antimalware Installer
Exploitation Mechanism
- Attacker places a malicious DLL file in a specific directory
- Attacker runs the installer from the directory, triggering the vulnerability
Mitigation and Prevention
Immediate Steps to Take
- Avoid running the installer from untrusted directories
- Implement the principle of least privilege
Long-Term Security Practices
- Regularly update and patch software
- Conduct security training for users and administrators
Patching and Updates
Apply patches and updates provided by Cisco to address the vulnerability.