CVE-2021-36333 : Security Advisory and Response
Learn about CVE-2021-36333, a Buffer Overflow Vulnerability in Dell EMC CloudLink versions 7.1 and prior. Understand the impact, technical details, and mitigation steps.
Dell EMC CloudLink version 7.1 and prior versions have been identified with a Buffer Overflow Vulnerability. This vulnerability can be exploited by a local low-privileged attacker, potentially causing an application crash.
Understanding CVE-2021-36333
This section delves deeper into the details of the CVE-2021-36333 vulnerability.
What is CVE-2021-36333?
CVE-2021-36333 is a Buffer Overflow Vulnerability present in Dell EMC CloudLink 7.1 and all versions preceding it. The flaw allows a local attacker with low privileges to exploit the vulnerability, leading to a potential application crash.
The Impact of CVE-2021-36333
The impact of CVE-2021-36333 is rated as medium with a base score of 5.5 in the CVSS v3.1 scoring system. The vulnerability's attack complexity is low, requiring low privileges and posing a high availability impact.
Technical Details of CVE-2021-36333
In this section, we explore the technical aspects of CVE-2021-36333 vulnerability.
Vulnerability Description
The vulnerability arises due to a buffer overflow issue in Dell EMC CloudLink versions prior to 7.1.1, allowing attackers to crash the application.
Affected Systems and Versions
Dell EMC CloudLink version 7.1 and all versions less than 7.1.1 are impacted by this vulnerability.
Exploitation Mechanism
A local low-privileged attacker can exploit the buffer overflow vulnerability, potentially leading to the application crash.
Mitigation and Prevention
This section outlines steps to mitigate and prevent the exploitation of CVE-2021-36333.
Immediate Steps to Take
Users are advised to update Dell EMC CloudLink to version 7.1.1 or higher to mitigate the buffer overflow vulnerability. It is crucial to ensure timely security patches are installed.
Long-Term Security Practices
Employing the principle of least privilege, maintaining updated software, and conducting regular security audits can help in preventing similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates and patches provided by Dell to address vulnerabilities and ensure a secure environment.