CVE-2021-20793 : Security Advisory and Response
Learn about CVE-2021-20793, a critical untrusted search path vulnerability in the installer of Sony Audio USB Driver V1.10 and prior versions. Find out its impact, affected systems, exploitation, and mitigation steps.
A vulnerability in the installer of Sony Audio USB Driver V1.10 and prior and HAP Music Transfer Ver.1.3.0 and prior could allow an attacker to execute arbitrary code. Here are the details you need to be aware of.
Understanding CVE-2021-20793
What is CVE-2021-20793?
CVE-2021-20793 is an untrusted search path vulnerability found in the installer of Sony Audio USB Driver V1.10 and earlier, as well as HAP Music Transfer Ver.1.3.0 and earlier. This flaw enables a malicious actor to elevate privileges and run arbitrary code through a malicious DLL file.
The Impact of CVE-2021-20793
The impact of this vulnerability is significant as it allows an attacker to potentially gain unauthorized access to the system, escalate their privileges, and execute malicious code, compromising the integrity and confidentiality of the affected systems.
Technical Details of CVE-2021-20793
Vulnerability Description
The untrusted search path vulnerability in the installers of Sony Audio USB Driver V1.10 and earlier and HAP Music Transfer Ver.1.3.0 and earlier permits attackers to achieve elevated privileges and execute arbitrary code by introducing a Trojan horse DLL in an unspecified directory.
Affected Systems and Versions
The vulnerability affects the installers of multiple Sony products, including Sony Audio USB Driver V1.10 and previous versions, and HAP Music Transfer Ver.1.3.0 and earlier.
Exploitation Mechanism
Exploiting this vulnerability involves an attacker placing a Trojan horse DLL file in a specific directory, which when executed, allows them to gain privileges and run malicious code on the target system.
Mitigation and Prevention
Immediate Steps to Take
Users and administrators are urged to apply security patches provided by Sony to address this vulnerability immediately. It is crucial to update to the latest versions of the affected software to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing secure coding practices, restricting unnecessary permissions, and regularly updating software components can help prevent similar vulnerabilities in the future. Conducting regular security audits and monitoring for suspicious activities are also recommended.
Patching and Updates
Stay informed about security advisories from Sony and apply patches promptly to ensure your systems are protected against potential threats.