CVE-2023-41739 : Exploit Details and Defense Strategies
Learn about CVE-2023-41739, a vulnerability in Synology Router Manager (SRM) allowing remote authenticated users to conduct denial-of-service attacks. Understand the impact, affected versions, and mitigation steps.
A detailed analysis of CVE-2023-41739 focusing on the vulnerability in Synology Router Manager (SRM) before version 1.3.1-9346-6 that allows remote authenticated users to conduct denial-of-service attacks.
Understanding CVE-2023-41739
In this section, we will delve into the specifics of CVE-2023-41739 to comprehend its significance and impact.
What is CVE-2023-41739?
The vulnerability in File Functionality in Synology Router Manager (SRM) before 1.3.1-9346-6 enables remote authenticated users to perform denial-of-service attacks using unspecified methods.
The Impact of CVE-2023-41739
The vulnerability resulting from uncontrolled resource consumption poses a medium severity risk with a base score of 4.9. Attackers can exploit this issue to disrupt the availability of the affected system.
Technical Details of CVE-2023-41739
In this section, we will explore the technical aspects of CVE-2023-41739, including the description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The uncontrolled resource consumption vulnerability allows remote authenticated users to launch denial-of-service attacks via unspecified vectors within Synology Router Manager (SRM).
Affected Systems and Versions
Synology Router Manager (SRM) versions up to 1.3.1-9346-6 are affected by this vulnerability, with the default status being 'affected.'
Exploitation Mechanism
Attackers can leverage this vulnerability to disrupt the availability of the system remotely with a low attack complexity and high privileges required.
Mitigation and Prevention
In this section, we will outline the necessary steps to mitigate and prevent exploitation of CVE-2023-41739.
Immediate Steps to Take
Users are advised to update Synology Router Manager (SRM) to version 1.3.1-9346-6 or above to mitigate the vulnerability. Additionally, restrict network access to authorized users only.
Long-Term Security Practices
Implement firewall rules, monitor network traffic for anomalies, and apply security best practices to enhance the overall security posture of the system.
Patching and Updates
Regularly apply security patches and updates provided by Synology to address known vulnerabilities and enhance system security.