CVE-2021-35064 : Exploit Details and Defense Strategies

KramerAV VIAWare, all tested versions, allow privilege escalation through misconfiguration of sudo. Sudoers permits running of multiple dangerous commands, including unzip, systemctl, and dpkg.

Understanding CVE-2021-35064

This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-35064?

CVE-2021-35064 refers to a privilege escalation vulnerability in KramerAV VIAWare, allowing unauthorized users to execute dangerous commands through sudo misconfiguration.

The Impact of CVE-2021-35064

The vulnerability poses a significant risk as attackers can exploit it to escalate their privileges, potentially leading to unauthorized access and system compromise.

Technical Details of CVE-2021-35064

Below are the specific technical details related to this CVE.

Vulnerability Description

The issue arises due to insecure sudo configuration in KramerAV VIAWare, enabling the execution of critical commands by unauthorized users.

Affected Systems and Versions

All tested versions of KramerAV VIAWare are affected by this privilege escalation vulnerability.

Exploitation Mechanism

By leveraging misconfigured sudo settings, threat actors can abuse the system to execute dangerous commands like unzip, systemctl, and dpkg.

Mitigation and Prevention

It is crucial to take immediate action to address this security flaw and safeguard your systems.

Immediate Steps to Take

Ensure that sudo configurations are properly set up and restrict the execution of sensitive commands to authorized users only.

Long-Term Security Practices

Regularly review and update sudoers permissions, conduct security audits, and educate users on safe command execution practices.

Patching and Updates

Stay informed about security patches released by the vendor and apply them promptly to mitigate the risk of privilege escalation through misconfigured sudo in KramerAV VIAWare.