CVE-2023-30940 : What You Need to Know

This article provides details about CVE-2023-30940, a vulnerability affecting Unisoc (Shanghai) Technologies Co., Ltd. products, with potential risks of local information disclosure in telephony services.

Understanding CVE-2023-30940

This section delves into the nature of the vulnerability and its impact.

What is CVE-2023-30940?

CVE-2023-30940 involves a missing permission check in telephony services, posing a risk of local information disclosure without requiring additional execution privileges.

The Impact of CVE-2023-30940

The vulnerability can be exploited to disclose sensitive local information, potentially leading to privacy violations and unauthorized access to data.

Technical Details of CVE-2023-30940

Here we explore the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises from the absence of a permission check in telephony services, making it possible for attackers to access local information without the need for additional privileges.

Affected Systems and Versions

Unisoc products including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 are impacted, running Android 10, 11, 12, and 13.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the lack of permission checks in telephony services to access sensitive local information.

Mitigation and Prevention

This section outlines steps to mitigate the risks posed by CVE-2023-30940.

Immediate Steps to Take

It is advised to apply security patches provided by Unisoc promptly to address the vulnerability and prevent potential data disclosure.

Long-Term Security Practices

Maintaining up-to-date software versions and implementing robust security protocols can help mitigate similar vulnerabilities in the long term.

Patching and Updates

Regularly check for security updates from Unisoc and apply them as soon as they are available to ensure the ongoing protection of the affected systems.