CVE-2023-3513 : Security Advisory and Response

This CVE-2023-3513 pertains to an improper privilege control vulnerability found in RazerCentralService named pipe within Razer RazerCentral version 7.11.0.558 and below on Windows. The vulnerability allows a local malicious actor to gain SYSTEM privileges by communicating with the named pipe as a low-privilege user and initiating an insecure .NET deserialization.

Understanding CVE-2023-3513

This section will delve deeper into the nature of CVE-2023-3513, its impact, technical details, and mitigation strategies.

What is CVE-2023-3513?

The CVE-2023-3513 vulnerability involves improper privilege control in the RazerCentralService named pipe in Razer RazerCentral version 7.11.0.558 and earlier on the Windows platform. It enables a local attacker to escalate privileges to gain SYSTEM access by exploiting a flaw in .NET deserialization.

The Impact of CVE-2023-3513

CVE-2023-3513's impact includes privilege escalation and local code execution, as highlighted by CAPEC-233 (Privilege Escalation) and CAPEC-549 (Local Execution of Code). The vulnerability's CVSSv3.1 score is 7.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2023-3513

In this section, we will explore the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper privilege management and deserialization of untrusted data, as classified under CWE-269 (Improper Privilege Management) and CWE-502 (Deserialization of Untrusted Data).

Affected Systems and Versions

The affected product is Razer Central, specifically version 7.11.0.558 and earlier on the Windows platform. The vulnerability lies within the RazerCentralService module.

Exploitation Mechanism

An attacker with local access can communicate with the RazerCentralService named pipe as a low-privilege user. By triggering the insecure .NET deserialization flaw, the attacker can elevate their privileges to gain SYSTEM access.

Mitigation and Prevention

To address CVE-2023-3513, immediate actions and long-term security practices should be implemented to secure systems against such vulnerabilities.

Immediate Steps to Take

Update Razer Central to a patched version that addresses the privilege escalation vulnerability.
Monitor and restrict access to named pipes to prevent unauthorized communications.
Implement application control mechanisms to prevent insecure deserialization.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities proactively.
Educate users and administrators about the risks of privilege escalation and best practices for secure development and deployment.

Patching and Updates

Stay informed about security advisories and updates from Razer regarding CVE-2023-3513. Apply patches and updates promptly to mitigate the risk of exploitation and protect systems from potential attacks.