CVE-2018-7901 Explained : Impact and Mitigation

Smartphones such as Huawei ALP-AL00B and BLA-AL00B with software versions earlier than 8.0.0.129 are affected by a vulnerability in the RCS module. This vulnerability allows an attacker to remotely control the keyboard by tricking the user into installing a malicious application. To exploit the vulnerability, the attacker needs to acquire the authentication key used by RCS and have the user manually agree when the application connects with RCS for the first time.

Understanding CVE-2018-7901

This CVE affects Huawei smartphones ALP-AL00B and BLA-AL00B with software versions prior to 8.0.0.129.

What is CVE-2018-7901?

The vulnerability in the RCS module of Huawei ALP-AL00B and BLA-AL00B smartphones allows remote control of the keyboard by exploiting a flaw in the software versions.

The Impact of CVE-2018-7901

Attackers can remotely control the keyboard on affected devices.
Users can be tricked into installing malicious applications.
Successful exploitation grants attackers control over the keyboard remotely.

Technical Details of CVE-2018-7901

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The vulnerability in the RCS module allows attackers to control the keyboard remotely on Huawei ALP-AL00B and BLA-AL00B smartphones.

Affected Systems and Versions

Vendor: Huawei Technologies Co., Ltd.
Affected Products: ALP-AL00B, BLA-AL00B
Vulnerable Versions: ALP-AL00B (earlier than 8.0.0.129), BLA-AL00B (earlier than 8.0.0.129)

Exploitation Mechanism

Attacker tricks user into installing a malicious application.
Requires user agreement when the application connects with RCS for the first time.
Attacker needs to obtain the authentication key used by RCS.

Mitigation and Prevention

Steps to mitigate the CVE-2018-7901 vulnerability:

Immediate Steps to Take

Update affected devices to software version 8.0.0.129 or later.
Avoid installing applications from untrusted sources.
Be cautious when granting permissions to applications.

Long-Term Security Practices

Regularly update device software to the latest versions.
Implement security best practices for mobile devices.

Patching and Updates

Huawei may release patches to address the vulnerability.
Stay informed about security advisories from Huawei.