CVE-2023-42745 : What You Need to Know

This article provides detailed information about CVE-2023-42745, including its impact, technical details, and mitigation strategies.

Understanding CVE-2023-42745

CVE-2023-42745 is a vulnerability that affects Unisoc's SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 products running Android 11, Android 12, or Android 13.

What is CVE-2023-42745?

The vulnerability involves a missing permission check in telecom services, potentially enabling a local escalation of privilege without requiring additional execution privileges.

The Impact of CVE-2023-42745

Exploitation of this vulnerability could allow a malicious actor to elevate their privileges locally, leading to unauthorized access and control over affected devices.

Technical Details of CVE-2023-42745

This section delves into the specific technical aspects of CVE-2023-42745.

Vulnerability Description

The vulnerability arises from the lack of proper permission checks within the telecom service, creating an opportunity for privilege escalation attacks.

Affected Systems and Versions

Unisoc's products including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11, Android 12, or Android 13 are vulnerable to CVE-2023-42745.

Exploitation Mechanism

Attackers can exploit the missing permission check to gain unauthorized access and escalate their privileges on the affected devices.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-42745, users and administrators are advised to take the following steps:

Immediate Steps to Take

Monitor vendor security advisories for patches and updates related to this vulnerability.
Implement access controls and restrictions to limit unauthorized access to affected devices.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security patches are applied.
Conduct security assessments and audits to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by Unisoc promptly to address the vulnerability and enhance the security of the affected products.