CVE-2021-42095 : What You Need to Know

Xshell before 7.0.0.76 allows attackers to cause a crash by triggering rapid changes to the title bar.

Understanding CVE-2021-42095

Xshell before 7.0.0.76 is susceptible to a vulnerability that enables attackers to induce a crash through rapid modifications to the title bar.

What is CVE-2021-42095?

CVE-2021-42095 is a vulnerability in Xshell versions prior to 7.0.0.76 that permits attackers to instigate a crash by swiftly changing the title bar.

The Impact of CVE-2021-42095

This vulnerability can be exploited by malicious actors to crash the application, potentially leading to denial of service or other security implications.

Technical Details of CVE-2021-42095

Xshell before 7.0.0.76 is affected by a specific vulnerability that allows for application crashes when the title bar undergoes rapid changes.

Vulnerability Description

The vulnerability in Xshell before 7.0.0.76 can be triggered by making rapid adjustments to the title bar, resulting in a crash.

Affected Systems and Versions

Product: Xshell
Vendor: Not applicable
Versions: All versions before 7.0.0.76

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the title bar of Xshell rapidly, causing the application to crash.

Mitigation and Prevention

To address CVE-2021-42095, follow these mitigation strategies:

Immediate Steps to Take

Update Xshell to version 7.0.0.76 or newer to eliminate the vulnerability.
Exercise caution while handling unexpected or suspicious title bar changes in Xshell.

Long-Term Security Practices

Regularly apply software updates and patches for Xshell to prevent known vulnerabilities.
Implement security measures to detect and prevent unauthorized changes to application components.

Patching and Updates

Ensure timely installation of patches and updates provided by Xshell to mitigate security risks.