CVE-2023-38378 : Security Advisory and Response

Understanding CVE-2023-38378

A vulnerability has been identified in the web interface of the RIGOL MSO5000 digital oscilloscope, potentially allowing remote attackers to execute arbitrary code.

What is CVE-2023-38378?

The CVE-2023-38378 vulnerability exists in the web interface of the RIGOL MSO5000 digital oscilloscope firmware version 00.01.03.00.03. Attackers can leverage shell metacharacters in pass1 to the webcontrol changepwd.cgi application to execute unauthorized code.

The Impact of CVE-2023-38378

This vulnerability could be exploited by remote attackers to execute arbitrary code on the affected digital oscilloscope, potentially leading to unauthorized access, data theft, or disruption of critical operations.

Technical Details of CVE-2023-38378

The following details shed light on the specific aspects of CVE-2023-38378:

Vulnerability Description

The vulnerability allows attackers to input malicious shell metacharacters in the pass1 field of the webcontrol changepwd.cgi application, enabling them to execute arbitrary code remotely.

Affected Systems and Versions

The RIGOL MSO5000 digital oscilloscope running firmware version 00.01.03.00.03 is affected by this vulnerability, potentially compromising the security of these devices.

Exploitation Mechanism

By exploiting the vulnerability via shell metacharacters in the pass1 field of the webcontrol changepwd.cgi application, threat actors can execute commands and potentially compromise the digital oscilloscope.

Mitigation and Prevention

To safeguard against CVE-2023-38378, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Disable remote access to the affected digital oscilloscope if not required.
Monitor network traffic for any suspicious activity that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update firmware to the latest version provided by RIGOL to patch known vulnerabilities.
Implement network segmentation to limit the scope of potential attacks.

Patching and Updates

Stay informed about security advisories from RIGOL and apply patches promptly to ensure the digital oscilloscope is protected against known vulnerabilities.