CVE-2023-24582 : Vulnerability Insights and Analysis

This CVE-2023-24582 was published on July 6, 2023, and is associated with two OS command injection vulnerabilities found in the urvpn_client cmd_name_action functionality of Milesight UR32L v32.3.0.5. An attacker could exploit these vulnerabilities by sending a specially crafted network request, resulting in arbitrary command execution. The base score for this CVE is 8.8, indicating a high severity level.

Understanding CVE-2023-24582

This section will delve into the details of CVE-2023-24582, including what it is, its potential impact, technical aspects, and mitigation strategies.

What is CVE-2023-24582?

CVE-2023-24582 involves two OS command injection vulnerabilities present in the urvpn_client cmd_name_action feature of Milesight UR32L v32.3.0.5. These vulnerabilities could be exploited by an attacker through a specially crafted network request, leading to the execution of arbitrary commands. The vulnerability was discovered by Francesco Benvenuto of Cisco Talos.

The Impact of CVE-2023-24582

The impact of CVE-2023-24582 is significant, with a high base severity score of 8.8 according to the CVSS v3.1 metrics. The exploitation of these vulnerabilities could result in high confidentiality, integrity, and availability impacts on the affected systems.

Technical Details of CVE-2023-24582

In this section, we will explore the specific technical details related to CVE-2023-24582, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in the urvpn_client cmd_name_action function of Milesight UR32L v32.3.0.5, allowing attackers to execute arbitrary commands by sending a specially crafted network request. This OS command injection is triggered via a TCP packet, posing a serious security threat to the system.

Affected Systems and Versions

The CVE affects the Milesight UR32L version v32.3.0.5. Users utilizing this specific version are at risk of exploitation if proper security measures are not implemented promptly.

Exploitation Mechanism

The exploitation of CVE-2023-24582 can be initiated by a malicious actor sending a specifically crafted network request to the vulnerable system. Through this method, the attacker can trigger the OS command injection vulnerabilities to execute unauthorized commands.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-24582 and protect systems from potential exploitation, it is crucial to implement immediate steps, adhere to long-term security practices, and apply necessary patches and updates.

Immediate Steps to Take

Immediate actions include:

Disabling unnecessary services or features.
Implementing network filtering to block potentially malicious requests.
Monitoring network traffic for any suspicious activity.

Long-Term Security Practices

Long-term security measures involve:

Regular security assessments and audits.
Keeping systems and software up to date with the latest security patches.
Educating users and IT staff on best security practices.

Patching and Updates

Vendors should release patches or updates to address the vulnerabilities identified in CVE-2023-24582. It is crucial for users to apply these patches promptly to secure their systems against potential attacks.