CVE-2023-42678 : Security Advisory and Response

A detailed overview of CVE-2023-42678 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2023-42678

In this section, we will delve into what CVE-2023-42678 entails and its potential repercussions.

What is CVE-2023-42678?

The CVE-2023-42678 vulnerability involves a potential way to write permission usage records of an app in imsservice. This arises from a missing permission check, posing a risk of local information disclosure without requiring additional execution privileges.

The Impact of CVE-2023-42678

The impact of CVE-2023-42678 is significant as it could result in the exposure of local information of an app due to the vulnerability in imsservice.

Technical Details of CVE-2023-42678

This section provides an insight into the specifics of the CVE-2023-42678 vulnerability.

Vulnerability Description

The vulnerability allows unauthorized writing of permission usage records in imsservice, potentially leading to local information disclosure.

Affected Systems and Versions

The affected products include SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running versions Android11, Android12, and Android13.

Exploitation Mechanism

The exploitation of this vulnerability is facilitated by the absence of a permission check, enabling the unauthorized writing of permission usage records.

Mitigation and Prevention

In this section, we outline steps to mitigate the risks associated with CVE-2023-42678.

Immediate Steps to Take

Immediately implement access controls and conduct a security review to address the vulnerability in imsservice.

Long-Term Security Practices

Establish robust security protocols, enforce least privilege access, and regularly audit permissions to prevent similar vulnerabilities.

Patching and Updates

Ensure timely application of security patches provided by Unisoc (Shanghai) Technologies Co., Ltd. to remediate CVE-2023-42678.