CVE-2023-42739 : Exploit Details and Defense Strategies
Learn about CVE-2023-42739, a vulnerability in Unisoc products that allows local privilege escalation by exploiting engineermode service. Find out the impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2023-42739, including its impact, technical details, and mitigation steps.
Understanding CVE-2023-42739
CVE-2023-42739 is a vulnerability that could potentially lead to a local privilege escalation in certain Unisoc products.
What is CVE-2023-42739?
CVE-2023-42739 involves a vulnerability in the engineermode service that allows writing permission usage records of an app without proper permission checks. This could enable a local escalation of privilege without requiring additional execution privileges.
The Impact of CVE-2023-42739
The vulnerability poses a risk of unauthorized elevation of privileges on affected systems running Unisoc products, potentially allowing attackers to gain elevated access levels.
Technical Details of CVE-2023-42739
This section outlines the specific technical aspects of the CVE-2023-42739 vulnerability.
Vulnerability Description
The vulnerability in the engineermode service allows for the unauthorized writing of permission usage records, which can be exploited for local privilege escalation attacks.
Affected Systems and Versions
Unisoc products such as SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11, Android 12, or Android 13 are affected by this vulnerability.
Exploitation Mechanism
The exploit involves leveraging the missing permission check in the engineermode service to manipulate permission usage records and escalate privileges locally.
Mitigation and Prevention
To address CVE-2023-42739, it is crucial to implement immediate and long-term security measures to mitigate the risk of privilege escalation.
Immediate Steps to Take
Organizations and users should apply security patches provided by Unisoc promptly to remediate the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implement strict access controls, regular security audits, and continuous monitoring to detect and prevent unauthorized privilege escalations.
Patching and Updates
Stay informed about security updates released by Unisoc for the affected products and ensure timely deployment to keep systems secure.