Understand CVE-2023-48347 affecting Unisoc products with Android 11/12. Learn the impact, technical details, and mitigation strategies for this video decoder vulnerability.
This article provides detailed information about CVE-2023-48347, including its impact, technical details, and mitigation strategies.
Understanding CVE-2023-48347
CVE-2023-48347 is a vulnerability identified in the video decoder, leading to a possible out-of-bounds read due to inadequate input validation. The exploitation of this vulnerability could result in a local denial of service without requiring additional execution privileges.
What is CVE-2023-48347?
CVE-2023-48347 is a security vulnerability found in the video decoding functionality. It allows malicious actors to trigger an out-of-bounds read, potentially causing a local denial of service. The lack of proper input validation contributes to the exploitability of this vulnerability.
The Impact of CVE-2023-48347
The impact of CVE-2023-48347 includes the risk of local denial of service attacks. While no additional execution privileges are needed, exploitation of this vulnerability can disrupt the normal operation of the affected system.
Technical Details of CVE-2023-48347
Vulnerability Description
The vulnerability arises from insufficient input validation in the video decoder, enabling an out-of-bounds read. Attackers can leverage this flaw to disrupt services locally.
Affected Systems and Versions
The affected products include SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, S8000 with versions running Android 11 and Android 12.
Exploitation Mechanism
The exploitation of CVE-2023-48347 involves crafting malicious input to trigger an out-of-bounds read in the video decoder, leading to a local denial of service.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk associated with CVE-2023-48347, users are advised to apply vendor-supplied patches promptly, limiting the exposure to potential attacks.
Long-Term Security Practices
Implement robust input validation mechanisms and regularly update software to maintain a secure environment and prevent similar vulnerabilities from being exploited.
Patching and Updates
Regularly check for security updates from Unisoc (Shanghai) Technologies Co., Ltd. to address CVE-2023-48347 and other potential security vulnerabilities.