CVE-2023-30936 Explained : Impact and Mitigation

This article delves into the details of CVE-2023-30936, a vulnerability identified in Unisoc (Shanghai) Technologies Co., Ltd. products.

Understanding CVE-2023-30936

CVE-2023-30936 points to a missing permission check within the telephony service of Unisoc devices. This flaw can potentially result in local information disclosure without requiring additional execution privileges.

What is CVE-2023-30936?

CVE-2023-30936 denotes a security vulnerability in Unisoc products that could be exploited to reveal local information without the need for extra execution permissions.

The Impact of CVE-2023-30936

The impact of CVE-2023-30936 is significant as it allows unauthorized access to sensitive information stored on affected devices, posing a risk to user privacy and data security.

Technical Details of CVE-2023-30936

This section provides a closer look at the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in telephony service lacks a permission check, enabling threat actors to access local information without the need for additional execution privileges.

Affected Systems and Versions

Unisoc (Shanghai) Technologies Co., Ltd. products impacted by CVE-2023-30936 include SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android10, Android11, Android12, and Android13.

Exploitation Mechanism

The exploitation of CVE-2023-30936 involves leveraging the missing permission check in the telephony service to access local information on the affected devices.

Mitigation and Prevention

In this section, strategies for immediate action and long-term security practices are outlined to address CVE-2023-30936.

Immediate Steps to Take

Users of Unisoc devices should apply security patches provided by the manufacturer promptly to mitigate the risk of information disclosure. Additionally, limiting access to sensitive data can help reduce the impact of the vulnerability.

Long-Term Security Practices

Implementing strong access control measures, regular security updates, and continuous monitoring of device activity can enhance the overall security posture and reduce the likelihood of exploitation.

Patching and Updates

Regularly check for and apply security patches released by Unisoc to address CVE-2023-30936 and other potential vulnerabilities, safeguarding the devices against security threats.