CVE-2022-48392 : Vulnerability Insights and Analysis

A vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. products could allow local escalation of privilege in the dialer service.

Understanding CVE-2022-48392

This CVE identifies a potential security issue in various Unisoc products that run Android operating systems.

What is CVE-2022-48392?

The vulnerability exists in the dialer service of Unisoc devices, where a lack of permission check may enable a local attacker to escalate privileges without needing additional execution rights.

The Impact of CVE-2022-48392

If exploited, this vulnerability could be exploited by a local attacker to elevate their privileges without additional permissions, potentially leading to unauthorized access to sensitive data or system compromise.

Technical Details of CVE-2022-48392

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises due to a missing permission check in the dialer service of Unisoc devices, opening a door for local privilege escalation.

Affected Systems and Versions

Unisoc products impacted include SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android versions 10, 11, 12, and 13.

Exploitation Mechanism

An attacker with local access could potentially exploit this vulnerability to escalate their privileges within the dialer service without requiring additional execution permissions.

Mitigation and Prevention

Protecting against CVE-2022-48392 involves certain immediate steps and long-term security practices.

Immediate Steps to Take

Users are advised to monitor official Unisoc communications for patches or workarounds addressing the vulnerability. Implementing the recommended security measures promptly is crucial.

Long-Term Security Practices

Practicing good cybersecurity hygiene, such as regularly updating devices, using security software, and being cautious of unknown sources, can help mitigate risks associated with such vulnerabilities.

Patching and Updates

Installing security patches from Unisoc when they become available is critical to remediate the vulnerability effectively and ensure the ongoing protection of the affected devices.