CVE-2022-38673 : Security Advisory and Response
Learn about CVE-2022-38673, a vulnerability in the face detect driver of Unisoc devices running Android 10, 11, and 12, leading to local denial of service. Find mitigation steps and affected products.
A detailed analysis of CVE-2022-38673 focusing on the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2022-38673
CVE-2022-38673 involves a vulnerability in the face detect driver, leading to a possible out-of-bounds write issue that could result in local denial of service within the kernel.
What is CVE-2022-38673?
The CVE-2022-38673 vulnerability occurs due to a missing bounds check in the face detect driver, posing a risk of an out-of-bounds write that can be exploited by attackers.
The Impact of CVE-2022-38673
Exploiting this vulnerability could allow local attackers to trigger a denial of service condition in the kernel, impacting the stability and performance of the affected systems.
Technical Details of CVE-2022-38673
This section provides insights into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability stems from a missing bounds check in the face detect driver, potentially leading to out-of-bounds write operations within the kernel.
Affected Systems and Versions
The vulnerability impacts Unisoc (Shanghai) Technologies Co., Ltd. devices running Android versions 10, 11, and 12, including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, S8000.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious inputs to trigger the out-of-bounds write operation in the face detect driver, leading to a local denial of service attack.
Mitigation and Prevention
In this section, you will find immediate steps to take and long-term security practices to mitigate the impact of CVE-2022-38673.
Immediate Steps to Take
It is recommended to apply security patches provided by Unisoc promptly. Additionally, restrict access to vulnerable systems and monitor for any unusual activities.
Long-Term Security Practices
Implement robust security measures such as network segmentation, regular security audits, and employee awareness training to enhance overall cybersecurity posture.
Patching and Updates
Regularly check for security updates from Unisoc and apply patches as soon as they are released to address the CVE-2022-38673 vulnerability.