CVE-2021-36297 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-36297, a vulnerability in Dell's SupportAssist Client versions 3.8 and 3.9 that allows attackers to execute arbitrary DLL files.

Understanding CVE-2021-36297

CVE-2021-36297 is a high-severity vulnerability discovered in Dell's SupportAssist Client software. It poses a significant risk to systems running versions 3.8 and 3.9.

What is CVE-2021-36297?

The vulnerability in SupportAssist Client versions 3.8 and 3.9 enables attackers to load arbitrary DLL files through hijacking, leveraging an untrusted search path. This allows the execution of malicious code through a separate administrative action.

The Impact of CVE-2021-36297

With a CVSS base score of 7.8, CVE-2021-36297 has a high severity rating. It can lead to a compromise of confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-36297

Detailed technical insights into the vulnerability include:

Vulnerability Description

The Untrusted search path vulnerability in SupportAssist Client versions 3.8 and 3.9 permits threat actors to execute arbitrary DLL files through DLL planting/hijacking, initiated by a separate administrative action.

Affected Systems and Versions

SupportAssist Client Consumer versions 3.8 and 3.9 by Dell are impacted by this vulnerability. Systems running these versions are at risk of exploitation.

Exploitation Mechanism

The vulnerability can be exploited by attackers through the loading of malicious DLL files via DLL planting/hijacking, carried out by a non-default administrative action.

Mitigation and Prevention

To address CVE-2021-36297, consider the following mitigation strategies:

Immediate Steps to Take

Update SupportAssist Client to a non-vulnerable version immediately.
Monitor for any signs of unauthorized DLL execution or system compromise.

Long-Term Security Practices

Regularly update software and security patches to prevent similar vulnerabilities.
Implement security best practices to minimize the risk of DLL hijacking attacks.

Patching and Updates

Stay informed about security updates and patches released by Dell for SupportAssist Client. Promptly apply patches to ensure system security.