CVE-2023-24520 : What You Need to Know

This CVE-2023-24520 involves two OS command injection vulnerabilities in the vtysh_ubus toolsh_excute.constprop.1 functionality of Milesight UR32L v32.3.0.5. These vulnerabilities can be exploited by a specially-crafted network request, leading to command execution. An attacker can send a network request to trigger these vulnerabilities, with one of the command injections being in the trace tool utility.

Understanding CVE-2023-24520

This section will delve into the specifics of the CVE-2023-24520 vulnerability.

What is CVE-2023-24520?

CVE-2023-24520 entails two OS command injection vulnerabilities in the vtysh_ubus toolsh_excute.constprop.1 feature of Milesight UR32L v32.3.0.5.

The Impact of CVE-2023-24520

These vulnerabilities have a high severity impact, with a CVSS v3.1 base score of 8.8, indicating significant risks to confidentiality, integrity, and availability.

Technical Details of CVE-2023-24520

In this section, we will explore the technical aspects of CVE-2023-24520.

Vulnerability Description

The vulnerability in CVE-2023-24520 is classified as CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection'), allowing attackers to execute arbitrary commands through network requests.

Affected Systems and Versions

The affected system is the Milesight UR32L with version v32.3.0.5.

Exploitation Mechanism

By sending a specially-crafted network request, threat actors can exploit these vulnerabilities to execute malicious commands on the target system.

Mitigation and Prevention

To safeguard systems against CVE-2023-24520, proactive measures need to be taken.

Immediate Steps to Take

Apply vendor-supplied patches promptly to mitigate the vulnerabilities.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software to address security flaws as they are discovered.
Implement access controls and least privilege principles to limit exposure to potential exploits.

Patching and Updates

Stay informed about security advisories from the vendor and promptly apply patches to fix known vulnerabilities and enhance overall system security.