CVE-2023-3375 : What You Need to Know

This CVE, assigned by TR-CERT, was published on September 5, 2023, and involves an "Unrestricted File Upload in Bookreen" vulnerability affecting Unisign Bookreen versions prior to 3.0.0. The vulnerability allows for OS Command Injection and has a CVSS base score of 7.2 (High severity).

Understanding CVE-2023-3375

This section delves deeper into the nature of the CVE-2023-3375 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-3375?

CVE-2023-3375 is categorized under CWE-434 (Unrestricted Upload of File with Dangerous Type) and specifically refers to an Unrestricted Upload of File with Dangerous Type vulnerability in Unisign Bookreen. This vulnerability allows threat actors to execute OS Command Injections.

The Impact of CVE-2023-3375

The impact of CVE-2023-3375 is severe, with a CVSS base score of 7.2 (High severity). The vulnerability could potentially result in high confidentiality, integrity, and availability impacts on affected systems.

Technical Details of CVE-2023-3375

This section provides more technical insights into the vulnerability, including its description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves "Unrestricted Upload of File with Dangerous Type," enabling attackers to perform OS Command Injections by uploading files with dangerous types.

Affected Systems and Versions

Unisign Bookreen versions prior to 3.0.0 are affected by CVE-2023-3375, exposing systems running these versions to the OS Command Injection vulnerability.

Exploitation Mechanism

Threat actors can exploit the CVE-2023-3375 vulnerability by uploading files with dangerous types to the affected Unisign Bookreen systems, leading to OS Command Injections.

Mitigation and Prevention

To address CVE-2023-3375, implementing immediate steps, enforcing long-term security practices, and applying necessary patches and updates are crucial.

Immediate Steps to Take

Immediately updating Unisign Bookreen to version 3.0.0 or higher, restricting file uploads, and monitoring system logs for suspicious activities can mitigate the risk of exploitation.

Long-Term Security Practices

In the long term, organizations should prioritize secure coding practices, conduct regular security audits, provide cybersecurity training to staff, and maintain an incident response plan to enhance overall security posture.

Patching and Updates

Regularly applying software patches and updates, staying informed about security advisories, and collaborating with vendors for timely security fixes are essential to prevent vulnerabilities like CVE-2023-3375 from being exploited.