CVE-2022-47366 Explained : Impact and Mitigation

This article provides insights into CVE-2022-47366, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2022-47366

CVE-2022-47366 is a vulnerability found in the wlan driver of Unisoc (Shanghai) Technologies Co., Ltd. devices, potentially leading to a local denial of service attack in wlan services.

What is CVE-2022-47366?

The vulnerability involves an out-of-bounds write due to a missing bounds check in the wlan driver, posing a risk of local denial of service attacks within wlan services.

The Impact of CVE-2022-47366

Exploiting this vulnerability could allow a local attacker to disrupt wlan services, leading to a denial of service condition on affected devices running specific versions of Android (Android 10, 11, and 12).

Technical Details of CVE-2022-47366

The technical details of CVE-2022-47366 include vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a missing bounds check in the wlan driver, enabling an out-of-bounds write that could be leveraged by an attacker for local denial of service within wlan services.

Affected Systems and Versions

Devices using Unisoc SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 with Android 10, 11, or 12 are vulnerable to this issue.

Exploitation Mechanism

By exploiting the missing bounds check in the wlan driver, a local attacker can trigger an out-of-bounds write operation, potentially leading to a local denial of service attack targeting wlan services.

Mitigation and Prevention

To address CVE-2022-47366, immediate steps, long-term security practices, and the importance of patching and updates are crucial.

Immediate Steps to Take

Apply security patches provided by Unisoc promptly to mitigate the risk of exploitation from this vulnerability. Additionally, monitor network activity for any signs of unauthorized access or unusual behavior.

Long-Term Security Practices

Implement security best practices such as network segmentation, regular security audits, and employee training to enhance overall cybersecurity posture and prevent potential attacks.

Patching and Updates

Regularly update the firmware and software on affected devices to ensure that known vulnerabilities are patched and security measures are up to date.