CVE-2023-4613 : Security Advisory and Response

This CVE, assigned by LGE, involves a vulnerability that allows remote attackers to execute arbitrary code on affected installations of LG LED Assistant without requiring authentication. The flaw exists within the /api/settings/upload endpoint due to improper validation of a user-supplied path before using it in file operations.

Understanding CVE-2023-4613

This section delves into what CVE-2023-4613 entails, its impact, technical details, and mitigation strategies.

What is CVE-2023-4613?

The CVE-2023-4613 vulnerability permits remote attackers to execute arbitrary code on impacted LG LED Assistant installations without authentication. This exploit occurs due to inadequate validation of user-supplied paths within the /api/settings/upload endpoint, enabling malicious actors to execute unauthorized code in the current user's context.

The Impact of CVE-2023-4613

This vulnerability, categorized under CAPEC-253 Remote Code Inclusion, poses a critical threat with a CVSS v3.1 base score of 9.8. It triggers high impacts on confidentiality, integrity, and availability, with a low attack complexity and no privileges required for exploitation.

Technical Details of CVE-2023-4613

Digging deeper into the technical aspects of CVE-2023-4613, we explore its vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in LG LED Assistant involves a path traversal issue (CWE-22) that leads to arbitrary code execution by remote attackers without authentication. The specific flaw lies in the lack of proper path validation, allowing unauthorized file operations.

Affected Systems and Versions

The impacted product is LG-LED Assistant version 2.1.45. Users of this specific version are at risk of remote code execution through the identified path traversal vulnerability.

Exploitation Mechanism

By exploiting the flawed /api/settings/upload endpoint on affected LG LED Assistant installations, attackers can manipulate user-supplied paths to execute malicious code within the system, compromising its security.

Mitigation and Prevention

To address the risks associated with CVE-2023-4613, immediate steps, long-term security practices, and the importance of patching and updates are crucial.

Immediate Steps to Take

Disable access to the vulnerable /api/settings/upload endpoint where possible.
Implement network-level controls to restrict unauthorized access to the affected system.
Monitor for any suspicious activities or attempts to exploit the vulnerability.

Long-Term Security Practices

Regular security assessments and code reviews to identify and address similar vulnerabilities proactively.
Stay informed about security advisories and updates from LG Electronics to protect against emerging threats.

Patching and Updates

Apply patches or updates released by LG Electronics to address the CVE-2023-4613 vulnerability promptly.
Maintain a robust patch management process to ensure timely deployment of security fixes in the future.