CVE-2023-48352 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-48352, a vulnerability concerning phasecheckserver in certain Unisoc devices.

Understanding CVE-2023-48352

CVE-2023-48352 highlights a potential out-of-bounds write issue in phasecheckserver, which could result in a local denial of service attack without requiring extra execution privileges.

What is CVE-2023-48352?

CVE-2023-48352 is a vulnerability identified in Unisoc devices, specifically affecting products such as SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android11, Android12, or Android13.

The Impact of CVE-2023-48352

The exploitation of CVE-2023-48352 could lead to a local denial of service condition on affected devices without the need for additional execution privileges, potentially disrupting normal device operations.

Technical Details of CVE-2023-48352

This section delves into the specifics of the vulnerability, its implications, and how it can be mitigated.

Vulnerability Description

The vulnerability originates from a missing bounds check in phasecheckserver, allowing an attacker to perform an out-of-bounds write operation, leading to a local denial of service attack.

Affected Systems and Versions

Devices powered by Unisoc (Shanghai) Technologies Co., Ltd., including the mentioned products and running Android versions 11, 12, or 13, are susceptible to CVE-2023-48352.

Exploitation Mechanism

The vulnerability can be exploited by leveraging the out-of-bounds write capability in phasecheckserver, potentially causing a denial of service condition on the affected device.

Mitigation and Prevention

To safeguard against CVE-2023-48352, users and organizations should take immediate and long-term security measures to protect vulnerable devices.

Immediate Steps to Take

It is advised to apply security patches promptly, update impacted devices to secure firmware versions, and monitor for any suspicious activities that could indicate exploitation of this vulnerability.

Long-Term Security Practices

Implementing a robust security posture, regularly updating devices with the latest patches, utilizing intrusion detection systems, and restricting network access can help fortify devices against potential threats.

Patching and Updates

Vendors, such as Unisoc (Shanghai) Technologies Co., Ltd., should release patches addressing CVE-2023-48352 promptly, and users must ensure timely installation of these security updates on affected devices.