CVE-2021-3845 : What You Need to Know

This article provides detailed information about CVE-2021-3845, a vulnerability in netristv/ws-scrcpy that allows external control of file name or path.

Understanding CVE-2021-3845

This section delves into the specifics of the vulnerability and its impact.

What is CVE-2021-3845?

The vulnerability in netristv/ws-scrcpy, identified as CVE-2021-3845, enables attackers to manipulate file names or paths externally, leading to potential security risks.

The Impact of CVE-2021-3845

CVE-2021-3845 poses a threat as attackers can exploit the external control of file name or path in ws-scrcpy, compromising the integrity and confidentiality of data stored on affected systems.

Technical Details of CVE-2021-3845

This section provides technical insights into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

ws-scrcpy is vulnerable to external control of file name or path, allowing threat actors to tamper with file operations and potentially execute malicious actions.

Affected Systems and Versions

The vulnerability affects netristv/ws-scrcpy versions prior to v0.7.1, exposing systems using these versions to exploitation through file name or path manipulation.

Exploitation Mechanism

Attackers can exploit CVE-2021-3845 by leveraging the external manipulation of file names or paths to gain unauthorized access, escalate privileges, or perform other malicious activities.

Mitigation and Prevention

In this section, we discuss immediate steps to take and long-term security practices to mitigate the risk posed by CVE-2021-3845.

Immediate Steps to Take

Users are advised to update netristv/ws-scrcpy to version v0.7.1 or higher, apply security patches promptly, and monitor file operations for any suspicious activities.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and ensuring timely updates can help prevent similar vulnerabilities in the future.

Patching and Updates

Vendor-provided patches and updates should be applied promptly to address CVE-2021-3845 and enhance the security posture of affected systems.