CVE-2022-48440 : What You Need to Know
Learn about CVE-2022-48440, a vulnerability in Unisoc devices affecting Android versions 10-13. Explore impact, technical details, affected systems, and mitigation steps.
This article provides insights into CVE-2022-48440, a vulnerability found in Unisoc devices affecting various Android versions.
Understanding CVE-2022-48440
This section delves into the details of the vulnerability and its potential impact on affected systems.
What is CVE-2022-48440?
The CVE-2022-48440 vulnerability is related to a missing permission check in the dialer service of Unisoc devices. Exploiting this flaw could result in local denial of service attacks without requiring additional execution privileges.
The Impact of CVE-2022-48440
The vulnerability could enable threat actors to disrupt the dialer service on affected devices, leading to potential denial of service incidents and impacting the device's functionality.
Technical Details of CVE-2022-48440
In this section, we outline specific technical aspects of the CVE-2022-48440 vulnerability.
Vulnerability Description
The vulnerability arises from a lack of proper permission checks in the dialer service of Unisoc devices, creating an opening for potential denial of service attacks that could impact device performance.
Affected Systems and Versions
Unisoc devices running SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 with Android versions 10, 11, 12, and 13 are susceptible to this vulnerability.
Exploitation Mechanism
Exploiting this vulnerability involves leveraging the missing permission check in the dialer service to disrupt its functionality, potentially leading to local denial of service incidents.
Mitigation and Prevention
This section offers guidance on addressing and safeguarding against the CVE-2022-48440 vulnerability.
Immediate Steps to Take
Users of affected Unisoc devices should apply security patches provided by the vendor, monitor for any unusual dialer service disruptions, and consider implementing additional security measures.
Long-Term Security Practices
To enhance device security in the long term, users are advised to stay informed about security updates, employ best practices for device hygiene, and consider security testing.
Patching and Updates
Regularly check for and apply security patches released by Unisoc for the affected devices to ensure protection against known vulnerabilities.