CVE-2022-42779 : Exploit Details and Defense Strategies
Learn about CVE-2022-42779, a vulnerability in Unisoc's wlan driver leading to local denial of service. Understand the impact, affected systems, exploitation, and mitigation steps.
A vulnerability has been identified in Unisoc wlan driver that could result in a local denial of service in wlan services.
Understanding CVE-2022-42779
This section will delve into the details of CVE-2022-42779, its impacts, technical description, affected systems, and mitigation strategies.
What is CVE-2022-42779?
The CVE-2022-42779 vulnerability pertains to a missing bounds check in the Unisoc wlan driver. Exploiting this flaw could potentially lead to a local denial of service within wlan services.
The Impact of CVE-2022-42779
The impact of this vulnerability is significant as threat actors could exploit the missing bounds check to disrupt wlan services locally, potentially causing service unavailability and system instability.
Technical Details of CVE-2022-42779
Let's explore the technical aspects of CVE-2022-42779, including its vulnerability description, affected systems, and exploitation mechanisms.
Vulnerability Description
The vulnerability, categorized under CWE-126 (Buffer Over-read), arises from the absence of proper bounds checking in the Unisoc wlan driver, enabling attackers to trigger a denial of service condition.
Affected Systems and Versions
The vulnerability affects multiple products by Unisoc, including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T618, T612, T616, T770, T820, and S8003 running Android 10, 11, and 12.
Exploitation Mechanism
Threat actors can exploit CVE-2022-42779 by crafting malicious inputs to trigger the missing bounds check, leading to a denial of service within wlan services.
Mitigation and Prevention
In this section, we will cover the steps necessary to mitigate the risks posed by CVE-2022-42779 and prevent potential exploitation.
Immediate Steps to Take
Users and administrators are advised to apply security patches provided by Unisoc promptly. Implement network segmentation and access controls to limit exposure to the vulnerable driver.
Long-Term Security Practices
Establish robust security protocols, conduct regular security assessments, and monitor network traffic for any suspicious activities to enhance overall cybersecurity posture.
Patching and Updates
Stay vigilant for official security updates and patches released by Unisoc to address the CVE-2022-42779 vulnerability effectively.