CVE-2020-7326 Explained : Impact and Mitigation
Learn about CVE-2020-7326 involving an improperly implemented security check in McAfee Active Response (MAR) allowing local administrators to execute malicious code. Find out the impact, affected systems, and mitigation steps.
McAfee MAR - Improperly implemented security check
Understanding CVE-2020-7326
This CVE involves an improperly implemented security check in McAfee Active Response (MAR) that may allow local administrators to execute malicious code.
What is CVE-2020-7326?
The vulnerability in McAfee Active Response (MAR) before version 2.4.4 could enable local administrators to run malicious code by stopping a core Windows service, leading to MAR failing open.
The Impact of CVE-2020-7326
- CVSS Base Score: 6 (Medium Severity)
- Attack Vector: Local
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: High
- Scope: Unchanged
- Vulnerability Type: CWE-290: Authentication Bypass by Spoofing
Technical Details of CVE-2020-7326
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from an improperly implemented security check in McAfee Active Response (MAR) versions prior to 2.4.4, allowing local administrators to execute malicious code.
Affected Systems and Versions
- Affected Product: McAfee Active Response
- Vendor: McAfee, LLC
- Vulnerable Versions: < 2.4.4
Exploitation Mechanism
The vulnerability can be exploited by local administrators by stopping a core Windows service, leaving the McAfee core trust component in an inconsistent state, resulting in MAR failing open.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update McAfee Active Response to version 2.4.4 or higher.
- Monitor system logs for any suspicious activities.
- Implement the principle of least privilege for user accounts.
Long-Term Security Practices
- Regularly update and patch all software and security solutions.
- Conduct security training for administrators on best practices to prevent unauthorized code execution.
- Implement network segmentation to limit the impact of potential breaches.
- Utilize intrusion detection systems to identify and respond to suspicious activities.
Patching and Updates
Ensure that all security patches and updates for McAfee Active Response are promptly applied to mitigate the vulnerability.