CVE-2022-48447 : Vulnerability Insights and Analysis

This CVE article provides insights into a security vulnerability that affects certain Unisoc technologies, potentially leading to a denial of service attack. Read on to understand the impact, technical details, and mitigation strategies.

Understanding CVE-2022-48447

This section delves into the specifics of CVE-2022-48447, highlighting the vulnerability's nature and potential ramifications.

What is CVE-2022-48447?

CVE-2022-48447 involves a missing permission check in the telephony service of Unisoc's technologies. Exploitation of this vulnerability could result in a local denial of service without any additional execution privileges.

The Impact of CVE-2022-48447

The impact of this vulnerability lies in the potential for attackers to disrupt telephony services on affected systems, leading to a denial of service scenario.

Technical Details of CVE-2022-48447

This section provides a deeper dive into the technical aspects of CVE-2022-48447, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from a missing permission check within the telephony service, leaving the door open for local denial of service attacks without requiring additional privileges.

Affected Systems and Versions

Unisoc (Shanghai) Technologies Co., Ltd.'s SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android10, Android11, and Android12 versions are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Exploiting CVE-2022-48447 involves leveraging the missing permission check in the telephony service to trigger a local denial of service attack, disrupting normal telephony functionalities.

Mitigation and Prevention

To safeguard your systems from CVE-2022-48447, immediate steps and long-term security practices are recommended. Additionally, applying relevant patches and updates is crucial.

Immediate Steps to Take

Implement access control measures, monitor telephony service activities, and restrict unauthorized access to mitigate the risk of a denial of service due to the missing permission check.

Long-Term Security Practices

Regular security audits, threat intelligence sharing, and keeping systems up to date with the latest security patches are essential for long-term resilience against vulnerabilities like CVE-2022-48447.

Patching and Updates

Stay informed about security advisories from Unisoc and promptly apply any patches or updates released to address CVE-2022-48447 and other potential vulnerabilities.