CVE-2022-2313 : Security Advisory and Response
Learn about CVE-2022-2313, a critical DLL hijacking vulnerability in Trellix Agent (TA) on Windows systems. Understand the impact, affected versions, and mitigation steps.
A DLL hijacking vulnerability in the MA Smart Installer for Windows prior to version 5.7.7 allows local users to execute arbitrary code and gain higher privileges by placing a malicious DLL into the installation folder.
Understanding CVE-2022-2313
This vulnerability, assigned the CVE ID CVE-2022-2313, poses a high risk to systems running Trellix Agent (TA) on Windows platforms.
What is CVE-2022-2313?
The CVE-2022-2313 vulnerability involves DLL hijacking in the Trellix Agent (TA) software, impacting versions prior to 5.7.7 on Windows. Attackers can exploit this flaw to execute malicious code and escalate their privileges.
The Impact of CVE-2022-2313
With a CVSS base score of 8.2 classified as high severity, this vulnerability can lead to arbitrary code execution, compromising the confidentiality, integrity, and availability of affected systems. A successful attack could enable threat actors to take over the system with elevated privileges.
Technical Details of CVE-2022-2313
Detailed insights into the technical aspects of the CVE-2022-2313 vulnerability.
Vulnerability Description
The vulnerability arises from a DLL hijacking issue in the MA Smart Installer for Windows prior to version 5.7.7. Attackers with local access can carefully place a malicious DLL in the installation folder to exploit this flaw.
Affected Systems and Versions
Trellix Agent (TA) software versions lower than 5.7.7 running on Windows platforms are vulnerable to this DLL hijacking issue.
Exploitation Mechanism
By manipulating the directory where the Smart Installer is launched, local users can insert a malicious DLL to execute arbitrary code and gain increased privileges.
Mitigation and Prevention
Steps to mitigate the risks associated with CVE-2022-2313 and prevent potential exploitation.
Immediate Steps to Take
Users and administrators should update Trellix Agent (TA) to version 5.7.7 or newer to eliminate this vulnerability. Additionally, restrict access to the installation folder to authorized users only.
Long-Term Security Practices
Implement robust security measures such as regular security assessments, user training on safe computing practices, and monitoring for unauthorized system changes.
Patching and Updates
Stay informed about security updates from Trellix and promptly apply patches to address vulnerabilities like CVE-2022-2313.