CVE-2021-33971 Explained : Impact and Mitigation
Discover the impact and technical details of CVE-2021-33971, a critical buffer overflow vulnerability affecting Qihoo 360 Safeguard, Total Security, and other software. Learn about mitigation and prevention strategies.
A critical vulnerability impacting Qihoo 360 Safeguard, Qihoo 360 Total Security, and other software has been disclosed, allowing an attacker to execute arbitrary code locally. This vulnerability involves a buffer overflow issue within the affected software.
Understanding CVE-2021-33971
What is CVE-2021-33971?
The vulnerability CVE-2021-33971 involves a set of critical vulnerabilities affecting popular software such as "360 Safeguard", "360 Total Security", and "360 Safe Browser & 360 Chrome" developed by Qihoo 360. These vulnerabilities can lead to the execution of arbitrary code locally.
The Impact of CVE-2021-33971
The impact of this vulnerability is severe as it allows an attacker to execute arbitrary code on the target system, potentially leading to a complete compromise of the system.
Technical Details of CVE-2021-33971
Vulnerability Description
The vulnerability arises from a buffer overflow issue within the Qihoo 360 software suite, enabling attackers to execute arbitrary code locally.
Affected Systems and Versions
The following versions are affected by this vulnerability: "360 Safeguard (12.1.0.1004, 12.1.0.1005, 13.1.0.1001)", "360 Total Security (10.8.0.1060, 10.8.0.1213)", "360 Safe Browser & 360 Chrome (13.0.2170.0)".
Exploitation Mechanism
Attackers can remotely exploit the vulnerability by simply opening a malicious link in the browser. Alternatively, local exploitation requires executing a specific program, which can be achieved via a chain of browser vulnerabilities.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to update the affected software to the latest patched versions to mitigate the risk of exploitation. Additionally, exercise caution while clicking on unknown links.
Long-Term Security Practices
Maintain a proactive security posture by regularly updating software, implementing strong endpoint protection, and conducting security awareness training.
Patching and Updates
Ensure that security patches are promptly applied to all vulnerable software to prevent exploitation and maintain a secure environment.