CVE-2021-31847 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-31847, an improper privilege management vulnerability in the repair process of McAfee Agent for Windows. Learn how to mitigate risks and prevent arbitrary code execution.
A detailed insight into the improper access control vulnerability in the repair process of McAfee Agent for Windows prior to version 5.7.4, allowing potential privilege escalation and execution of arbitrary code.
Understanding CVE-2021-31847
This CVE pertains to an improper access control vulnerability in the repair process of McAfee Agent for Windows before version 5.7.4, which could be exploited by a local attacker to carry out DLL preloading attacks.
What is CVE-2021-31847?
The vulnerability allows a local attacker to perform a DLL preloading attack using unsigned DLLs during the repair process for McAfee Agent for Windows prior to version 5.7.4. This could lead to an elevation of privileges and the execution of arbitrary code.
The Impact of CVE-2021-31847
The vulnerability poses a high risk as it could result in privilege escalation and unauthorized execution of malicious code by exploiting the repair process of McAfee Agent for Windows.
Technical Details of CVE-2021-31847
This section covers specific technical details related to the vulnerability.
Vulnerability Description
The vulnerability arises from improper access control in the repair process for McAfee Agent for Windows, facilitating DLL preloading attacks using unsigned DLLs.
Affected Systems and Versions
McAfee Agent for Windows versions prior to 5.7.4 are affected by this vulnerability, specifically on the Windows platform.
Exploitation Mechanism
The security flaw could be exploited by a local attacker by utilizing unsigned DLLs to perform DLL preloading, ultimately leading to privilege escalation and arbitrary code execution.
Mitigation and Prevention
Learn about the necessary steps to mitigate the risks associated with CVE-2021-31847.
Immediate Steps to Take
It is crucial to update McAfee Agent for Windows to version 5.7.4 or newer to prevent exploitation of this vulnerability. Additionally, ensure the integrity of DLL files and directories used in the repair process.
Long-Term Security Practices
Implement robust access controls, regularly update security patches, and conduct security audits to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security updates from McAfee and apply patches promptly to eliminate known vulnerabilities.