CVE-2021-36753 : Security Advisory and Response

A security vulnerability, tracked as CVE-2021-36753, has been identified in sharkdp BAT versions prior to 0.18.2. The vulnerability allows the execution of less.exe from the current working directory.

Understanding CVE-2021-36753

This section will provide insights into the nature and impact of the CVE-2021-36753 vulnerability.

What is CVE-2021-36753?

The CVE-2021-36753 vulnerability exists in sharkdp BAT versions prior to 0.18.2, enabling the execution of less.exe directly from the current working directory.

The Impact of CVE-2021-36753

The impact of this vulnerability could lead to potential security risks and unauthorized access to system resources by running arbitrary code.

Technical Details of CVE-2021-36753

In this section, the technical aspects of the CVE-2021-36753 vulnerability will be discussed.

Vulnerability Description

The vulnerability in sharkdp BAT versions before 0.18.2 allows the execution of less.exe from the current working directory, posing a security risk.

Affected Systems and Versions

All versions of sharkdp BAT prior to 0.18.2 are affected by this vulnerability, potentially impacting systems where this software is installed.

Exploitation Mechanism

The vulnerability can be exploited by an attacker placing a malicious less.exe in the working directory, leading to unauthorized code execution.

Mitigation and Prevention

This section will outline steps to mitigate the risks associated with CVE-2021-36753.

Immediate Steps to Take

Users are advised to update sharkdp BAT to version 0.18.2 or newer to address the vulnerability and prevent exploitation.

Long-Term Security Practices

Implementing secure coding practices and regularly updating software can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates and patches released by the software vendor to stay protected against known vulnerabilities.