CVE-2023-33883 : Security Advisory and Response

This article provides detailed information on CVE-2023-33883, a vulnerability that affects Unisoc (Shanghai) Technologies Co., Ltd. devices running specific versions of Android OS.

Understanding CVE-2023-33883

CVE-2023-33883 is a vulnerability related to the telephony service on Unisoc devices, potentially leading to local information disclosure without requiring additional execution privileges.

What is CVE-2023-33883?

CVE-2023-33883 involves a missing permission check in the telephony service, which could allow an attacker to access local information without needing additional privileges.

The Impact of CVE-2023-33883

The impact of this vulnerability is the potential disclosure of sensitive information stored on the device, posing a risk to user privacy and data security.

Technical Details of CVE-2023-33883

This section discusses the specific technical aspects of CVE-2023-33883, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in the telephony service lacks a proper permission check, exposing the device to the risk of local information disclosure.

Affected Systems and Versions

Unisoc devices, including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T618, T612, T616, T770, T820, and S8000 running Android 10, 11, 12, and 13 are impacted by CVE-2023-33883.

Exploitation Mechanism

To exploit this vulnerability, an attacker can leverage the missing permission check in the telephony service to access sensitive local information on the affected devices.

Mitigation and Prevention

In this section, we outline the steps to mitigate the risks associated with CVE-2023-33883 and prevent potential exploitation.

Immediate Steps to Take

Users of Unisoc devices should exercise caution while using telephony services and avoid sharing sensitive information to mitigate the risk of disclosure.

Long-Term Security Practices

Implementing strong security practices such as regular software updates, using security software, and being vigilant against suspicious activities can enhance the overall security posture.

Patching and Updates

It is crucial for device manufacturers to release patches addressing the missing permission check in the telephony service to safeguard user data and privacy.