CVE-2022-48443 : Security Advisory and Response
Learn about CVE-2022-48443, a vulnerability in telephony service allowing local denial of service attacks without additional execution privileges. Find mitigation and prevention techniques here.
This article provides detailed information about CVE-2022-48443, including its description, impact, technical details, mitigation, and prevention methods.
Understanding CVE-2022-48443
CVE-2022-48443 pertains to a potential missing permission check in telephony service, resulting in a local denial of service without requiring additional execution privileges.
What is CVE-2022-48443?
The vulnerability in telephony service could allow an attacker to perform a local denial of service attack without needing extra execution privileges.
The Impact of CVE-2022-48443
The impact of this CVE is the potential disruption of telephony service, leading to denial of service locally.
Technical Details of CVE-2022-48443
This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability involves a missing permission check in the telephony service, allowing for a local denial of service attack.
Affected Systems and Versions
The vulnerability affects Unisoc devices running Android 10, Android 11, and Android 12 with specific chipsets.
Exploitation Mechanism
Exploiting this vulnerability requires local access to the affected device to trigger a denial of service in the telephony service.
Mitigation and Prevention
Learn how to protect your systems against CVE-2022-48443 with immediate actions and long-term security practices.
Immediate Steps to Take
Immediately apply any available patches or workarounds recommended by the device manufacturer to mitigate the risk of a local denial of service attack.
Long-Term Security Practices
Implement robust security measures, such as regular software updates, network segmentation, and access control policies, to prevent and detect potential vulnerabilities in telephony services.
Patching and Updates
Stay vigilant for security updates from Unisoc (Shanghai) Technologies Co., Ltd. for your specific device models to address the CVE-2022-48443 vulnerability.