CVE-2023-25583 : Security Advisory and Response

This CVE-2023-25583 was assigned by Talos and published on July 6, 2023. It involves two OS command injection vulnerabilities in the zebra vlan_name functionality of Milesight UR32L v32.3.0.5. These vulnerabilities can be exploited by a specially crafted network request, potentially leading to command execution.

Understanding CVE-2023-25583

This section will delve into what CVE-2023-25583 entails, the impact of this vulnerability, its technical details, and mitigation strategies.

What is CVE-2023-25583?

CVE-2023-25583 refers to two OS command injection vulnerabilities found in the zebra vlan_name functionality of Milesight UR32L v32.3.0.5. Attackers can exploit these vulnerabilities by sending a specially crafted network request that could execute arbitrary commands within the affected system.

The Impact of CVE-2023-25583

The impact of CVE-2023-25583 is significant, with a CVSSv3.1 base score of 7.2, categorizing it as a high severity vulnerability. The confidentiality, integrity, and availability of the system are all at risk due to these vulnerabilities.

Technical Details of CVE-2023-25583

This section will provide an in-depth look at the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from two OS command injection flaws in the zebra vlan_name functionality of Milesight UR32L v32.3.0.5. It allows attackers to execute arbitrary commands by exploiting a specially crafted network request.

Affected Systems and Versions

Milesight UR32L v32.3.0.5 is the specific version impacted by these vulnerabilities. Users operating on this version are at risk of exploitation.

Exploitation Mechanism

By sending a maliciously crafted network request, threat actors can trigger the vulnerabilities present in the zebra vlan_name functionality and potentially execute unauthorized commands within the system.

Mitigation and Prevention

To address the risks associated with CVE-2023-25583, immediate steps can be taken to mitigate the impact and prevent future exploitation.

Immediate Steps to Take

Users are advised to update their Milesight UR32L devices to a patched version that resolves the OS command injection vulnerabilities.
Network segmentation and access control should be implemented to limit potential attacker access to vulnerable systems.

Long-Term Security Practices

Regular security assessments and penetration testing can help identify and address vulnerabilities proactively to enhance overall system security.

Patching and Updates

Staying vigilant for security updates and promptly applying patches provided by the vendor is crucial to safeguarding systems against known vulnerabilities like CVE-2023-25583.