CVE-2023-3049 : Exploit Details and Defense Strategies

This CVE record was assigned by TR-CERT on June 2, 2023, and was published on June 13, 2023. The vulnerability affects the TMT Lockcell product before version 15, allowing for Command Injection due to an unrestricted file upload issue.

Understanding CVE-2023-3049

This vulnerability, identified as "File Upload in TMT's Lockcell," has a critical base severity score of 9.8 out of 10, indicating a high impact potential. It falls under CAPEC-248 - Command Injection in terms of impact.

What is CVE-2023-3049?

The CVE-2023-3049 vulnerability involves an unrestricted upload of files with dangerous types in TMT Lockcell, which enables malicious actors to execute commands via command injection. This security flaw specifically affects Lockcell versions prior to 15.

The Impact of CVE-2023-3049

The impact of this vulnerability is classified as critical, with high severity ratings for confidentiality, integrity, and availability. It poses a significant security risk to systems running affected versions of TMT Lockcell.

Technical Details of CVE-2023-3049

The vulnerability is categorized under CWE-434 - Unrestricted Upload of File with Dangerous Type. The CVSS v3.1 base score is 9.8, denoting a critical severity level. The attack vector is through the network, with low attack complexity and no privileges required for exploitation.

Vulnerability Description

The vulnerability allows threat actors to upload files with dangerous types, leading to command injection and potential unauthorized execution of commands within the system.

Affected Systems and Versions

TMT Lockcell versions prior to 15 are impacted by this vulnerability, making systems running these versions susceptible to command injection attacks via file uploads.

Exploitation Mechanism

Malicious entities can take advantage of the unrestricted file upload capability in TMT Lockcell to upload files with dangerous types that facilitate command injection, thereby compromising system integrity and security.

Mitigation and Prevention

To address CVE-2023-3049 and mitigate the associated risks, immediate actions and ongoing security practices are essential.

Immediate Steps to Take

Update TMT Lockcell to version 15 or later to eliminate the vulnerability and prevent command injection attacks.
Monitor system logs and network traffic for any suspicious activities that could indicate exploit attempts related to file uploads.

Long-Term Security Practices

Implement secure coding practices to validate file uploads and restrict file types to prevent dangerous files from being uploaded.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Regularly apply security patches and updates provided by TMT for Lockcell to ensure that the software remains resilient against known vulnerabilities and exploits. Stay informed about security advisories and best practices for secure software usage.

By following these mitigation strategies and staying vigilant about security practices, organizations can enhance their cybersecurity posture and reduce the risk associated with CVE-2023-3049 in TMT Lockcell.