CVE-2023-42738 : Security Advisory and Response
Learn about CVE-2023-42738, a telocom service vulnerability leading to local privilege escalation. Find affected systems, exploitation details, and mitigation steps.
This article provides detailed information about CVE-2023-42738, a vulnerability in telocom service that could lead to local privilege escalation.
Understanding CVE-2023-42738
This section will cover what CVE-2023-42738 is and its impact.
What is CVE-2023-42738?
CVE-2023-42738 involves a possible missing permission check in telocom service, posing a risk of local privilege escalation without requiring additional execution privileges.
The Impact of CVE-2023-42738
The vulnerability can potentially be exploited by attackers to escalate their privileges locally, compromising system security.
Technical Details of CVE-2023-42738
In this section, we will delve into the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises from a missing permission check within the telocom service, creating an opportunity for unauthorized privilege escalation.
Affected Systems and Versions
Unisoc (Shanghai) Technologies Co., Ltd.'s products including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, S8000 running Android 11, Android 12, or Android 13 are impacted by this vulnerability.
Exploitation Mechanism
Attackers may exploit the vulnerability in telocom service to elevate their privileges locally without the need for additional execution permissions.
Mitigation and Prevention
This section provides guidance on immediate steps to take and long-term security practices to mitigate the risk of CVE-2023-42738.
Immediate Steps to Take
- Apply security patches provided by Unisoc promptly to address the vulnerability.
- Monitor system logs and user activities for any signs of unauthorized privilege escalation.
Long-Term Security Practices
- Implement the principle of least privilege to restrict users' access rights.
- Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Patching and Updates
Regularly update and patch the affected Unisoc products to ensure they are protected from known vulnerabilities.