CVE-2023-47674 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2023-47674, a vulnerability impacting First Co., Ltd.'s DVRs leading to a missing authentication for critical function.

Understanding CVE-2023-47674

CVE-2023-47674 is a vulnerability in First Co., Ltd.'s DVRs that allows a remote unauthenticated attacker to rewrite or obtain configuration information of affected devices by exploiting missing authentication for critical functions.

What is CVE-2023-47674?

The CVE-2023-47674 vulnerability in First Co., Ltd.'s DVRs results in a critical missing authentication issue, enabling unauthorized remote access to device configuration data.

The Impact of CVE-2023-47674

The impact of CVE-2023-47674 is significant as it allows attackers to compromise the security and integrity of affected DVR devices, potentially leading to unauthorized access and manipulation of device settings.

Technical Details of CVE-2023-47674

CVE-2023-47674 affects several models of DVRs from First Co., Ltd., including CFR and MD series, where all firmware versions are susceptible to the missing authentication vulnerability.

Vulnerability Description

The vulnerability arises due to the absence of proper authentication mechanisms for critical functions in First Co., Ltd.'s DVRs, creating an avenue for unauthorized parties to access and modify device configurations remotely.

Affected Systems and Versions

Products such as CFR-904E, CFR-908E, CFR-916E, CFR-4EHD, CFR-8EHD, CFR-16EHD, and others are impacted across various firmware versions.

Exploitation Mechanism

Exploiting the CVE-2023-47674 vulnerability involves launching remote attacks to manipulate the configuration settings of vulnerable DVR devices without the need for authentication.

Mitigation and Prevention

Immediate actions and long-term security practices are essential to mitigate the risks associated with CVE-2023-47674.

Immediate Steps to Take

For the affected devices, apply the provided updates specifically for Late model products and implement the workaround for other impacted devices.

Long-Term Security Practices

Implement robust authentication mechanisms, regularly update firmware, and monitor network activity to enhance security posture and prevent unauthorized access.

Patching and Updates

Stay informed about security advisories from First Co., Ltd., and promptly apply patches and updates released to address vulnerabilities like CVE-2023-47674.