CVE-2017-8143 : Security Advisory and Response

CVE-2017-8143 was published on November 15, 2017, and affects Huawei Honor 5C and P9 Lite smartphones due to a Wi-Fi driver vulnerability. This vulnerability could lead to a Denial-of-Service (DoS) attack if exploited.

Understanding CVE-2017-8143

This CVE entry highlights a specific vulnerability in the Wi-Fi driver of Huawei smartphones, potentially enabling a DoS attack.

What is CVE-2017-8143?

The Wi-Fi driver in Honor 5C and P9 Lite Huawei smartphones, with software versions prior to NEM-L21C432B351 and versions earlier than VNS-L21C10B381, contains a vulnerability that may result in a Denial-of-Service (DoS) attack. If a user is deceived into installing a malicious application, the application can exploit an invalid address in the driver, causing the system to crash.

The Impact of CVE-2017-8143

The vulnerability could allow an attacker to crash the system by exploiting the Wi-Fi driver, potentially leading to service disruption and system instability.

Technical Details of CVE-2017-8143

This section delves into the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The Wi-Fi driver in Huawei Honor 5C and P9 Lite smartphones, with specific software versions, is susceptible to exploitation by malicious applications, resulting in a system crash.

Affected Systems and Versions

Affected Products: Honor 5C, P9 Lite
Vendor: Huawei Technologies Co., Ltd.
Vulnerable Versions: Versions earlier than NEM-L21C432B351, Versions earlier than VNS-L21C10B381

Exploitation Mechanism

Attackers can deceive users into installing malicious applications that exploit an invalid address in the Wi-Fi driver, causing a DoS condition.

Mitigation and Prevention

To address CVE-2017-8143, users and organizations should take immediate steps and adopt long-term security practices to mitigate risks and enhance overall security.

Immediate Steps to Take

Update affected devices to the latest software versions provided by Huawei.
Avoid installing applications from untrusted sources to prevent exploitation.

Long-Term Security Practices

Regularly monitor security advisories from Huawei and apply patches promptly.
Educate users about the risks of downloading apps from unknown sources.

Patching and Updates

Huawei has likely released patches addressing this vulnerability. Ensure all devices are updated with the latest firmware to mitigate the risk of exploitation.