CVE-2023-22361 Explained : Impact and Mitigation

This CVE record was published on May 10, 2023, by jpcert. It involves an improper privilege management vulnerability in SkyBridge MB-A100/110 firmware version 4.2.0 and earlier that allows a remote authenticated attacker to alter a WebUI password of the product.

Understanding CVE-2023-22361

This section delves into the details of CVE-2023-22361, shedding light on what the vulnerability entails and its potential impact.

What is CVE-2023-22361?

CVE-2023-22361 is an improper privilege management vulnerability found in the firmware of SkyBridge MB-A100/110 versions 4.2.0 and earlier. This vulnerability enables a remote attacker with authenticated access to modify the WebUI password associated with the affected product.

The Impact of CVE-2023-22361

The impact of CVE-2023-22361 is significant as it allows unauthorized changes to the WebUI password, compromising the security of the SkyBridge MB-A100/110 device. An attacker exploiting this vulnerability could potentially gain unauthorized access to sensitive information or disrupt the normal operation of the product.

Technical Details of CVE-2023-22361

In this section, we will explore the technical aspects of CVE-2023-22361, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in SkyBridge MB-A100/110 firmware version 4.2.0 and earlier arises from improper privilege management. This flaw allows a remote authenticated attacker to manipulate the WebUI password, posing a security risk to the affected device.

Affected Systems and Versions

The vulnerability affects the SkyBridge MB-A100/110 devices running firmware version 4.2.0 and earlier. Users of these versions are exposed to the risk of unauthorized password changes by remote attackers.

Exploitation Mechanism

To exploit CVE-2023-22361, an attacker with remote authenticated access to the affected device can leverage the vulnerability in the SkyBridge MB-A100/110 firmware to alter the WebUI password, potentially gaining unauthorized control over the product.

Mitigation and Prevention

Protecting against CVE-2023-22361 requires immediate action to mitigate the risk and prevent unauthorized access or tampering with the WebUI password of the vulnerable SkyBridge MB-A100/110 devices.

Immediate Steps to Take

Users should update the firmware of SkyBridge MB-A100/110 to a secure version that addresses the improper privilege management vulnerability. Additionally, changing the default WebUI password and monitoring for any unauthorized changes are recommended steps to enhance security.

Long-Term Security Practices

Implementing robust security practices such as regular security audits, network segmentation, and access control mechanisms can help prevent unauthorized access and strengthen the overall security posture of the network.

Patching and Updates

Keeping the firmware of SkyBridge MB-A100/110 devices up to date with the latest security patches and updates is essential to address known vulnerabilities like CVE-2023-22361. Regularly checking for firmware updates from the vendor and promptly applying them can help mitigate security risks.