CVE-2023-33909 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2023-33909, including its description, impact, technical details, and mitigation steps.

Understanding CVE-2023-33909

CVE-2023-33909 is a security vulnerability identified in Unisoc (Shanghai) Technologies Co., Ltd.'s SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T760/T770/T820/S8000 products running Android11/Android12/Android13.

What is CVE-2023-33909?

The vulnerability in the Contacts service lacks a permission check, potentially leading to local information disclosure without requiring additional execution privileges.

The Impact of CVE-2023-33909

This vulnerability could be exploited to disclose sensitive local information stored on the affected devices, compromising user privacy and security.

Technical Details of CVE-2023-33909

Below are the specifics of the vulnerability:

Vulnerability Description

The missing permission check in the Contacts service allows for unauthorized access to local information, posing a risk of data exposure.

Affected Systems and Versions

Affected Products: SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T760/T770/T820/S8000
Affected Versions: Android11, Android12, Android13

Exploitation Mechanism

Attackers can exploit this vulnerability to retrieve sensitive local information without the need for additional privileges, potentially resulting in data leakage.

Mitigation and Prevention

To safeguard against CVE-2023-33909, consider the following security measures:

Immediate Steps to Take

Regularly update the affected devices to the latest firmware provided by Unisoc (Shanghai) Technologies Co., Ltd.
Implement restrictions on access to sensitive information within the Contacts service.

Long-Term Security Practices

Conduct regular security assessments and audits of the devices to identify and address potential vulnerabilities.
Educate users about the importance of maintaining device security and privacy practices.

Patching and Updates

Apply security patches promptly as released by the vendor to mitigate known vulnerabilities and enhance device security.