CVE-2022-48388 : Security Advisory and Response
Learn about CVE-2022-48388, a vulnerability affecting Unisoc products SC9863A, SC9832E, SC7731E, and more. Understand the impact, affected systems, exploitation, and mitigation steps.
In this article, we will delve into the details of CVE-2022-48388, an identified vulnerability affecting Unisoc (Shanghai) Technologies Co., Ltd. products. The vulnerability, if exploited, could result in local escalation of privilege without requiring additional execution privileges.
Understanding CVE-2022-48388
What is CVE-2022-48388?
CVE-2022-48388 is a security vulnerability found in the powerEx service of Unisoc (Shanghai) Technologies Co., Ltd. products. It involves a potential lack of permission check, which opens the door to a local escalation of privilege attack.
The Impact of CVE-2022-48388
If successfully exploited, this vulnerability could allow an attacker to elevate their privileges locally without the need for extra execution privileges, posing a significant security risk to affected systems.
Technical Details of CVE-2022-48388
Vulnerability Description
The vulnerability in the powerEx service could enable an attacker to escalate their privileges locally by exploiting the missing permission check, thereby gaining unauthorized access.
Affected Systems and Versions
The vulnerability impacts various Unisoc products including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running versions Android10, Android11, Android12, and Android13.
Exploitation Mechanism
To exploit CVE-2022-48388, an attacker would need to leverage the missing permission check in the powerEx service, allowing them to escalate privileges locally on the affected systems.
Mitigation and Prevention
Immediate Steps to Take
Users and administrators are advised to apply security patches or updates provided by Unisoc to remediate the CVE-2022-48388 vulnerability. Additionally, limiting access to potentially vulnerable services can help mitigate the risk of exploitation.
Long-Term Security Practices
It is recommended to follow security best practices such as regular security assessments, network segmentation, and user privilege management to enhance the overall security posture of the systems.
Patching and Updates
Ensure that all relevant security patches and updates released by Unisoc for the affected products are promptly implemented to address the vulnerability and protect the systems from potential attacks.