Learn about CVE-2023-48342, an out-of-bounds write vulnerability in Unisoc products, impacting Android 11, 12, and 13. Find out the impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2023-48342, including its description, impact, technical details, and mitigation strategies.
Understanding CVE-2023-48342
CVE-2023-48342 is a vulnerability identified in Unisoc (Shanghai) Technologies Co., Ltd.'s SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T760/T770/T820/S8000 products.
What is CVE-2023-48342?
The CVE-2023-48342 vulnerability involves a potential out-of-bounds write issue in media service due to a lack of proper bounds checking. Exploitation of this vulnerability could result in a local denial of service, requiring system execution privileges for successful exploitation.
The Impact of CVE-2023-48342
The impact of CVE-2023-48342 includes the risk of local denial of service attacks on affected systems. As the vulnerability requires system execution privileges for exploitation, the risk is limited to scenarios where an attacker can obtain such privileges.
Technical Details of CVE-2023-48342
Vulnerability Description
The vulnerability in media service arises from a missing bounds check, potentially leading to an out-of-bounds write. This type of issue can allow an attacker to manipulate memory outside the allocated bounds, leading to a denial of service condition.
Affected Systems and Versions
The affected products include various 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.
Exploitation Mechanism
To exploit CVE-2023-48342, an attacker would need to have system execution privileges on the target device. By leveraging the out-of-bounds write in media service, an attacker could disrupt the normal operation of the system, leading to a denial of service.
Mitigation and Prevention
Immediate Steps to Take
Users and administrators are advised to apply the necessary security patches provided by Unisoc to address the CVE-2023-48342 vulnerability. Additionally, restricting access to high-privilege accounts can help mitigate the risk of exploitation.
Long-Term Security Practices
Implementing secure coding practices, regular security assessments, and monitoring for unusual system behavior can enhance the long-term security posture of affected systems.
Patching and Updates
Stay informed about security advisories from Unisoc and promptly apply any relevant patches or updates to safeguard systems against known vulnerabilities.