CVE-2022-20054 : Exploit Details and Defense Strategies
Learn about CVE-2022-20054, a vulnerability in certain MediaTek devices that could allow attackers to perform AT command injection, leading to local privilege escalation.
A vulnerability in ims service of certain MediaTek devices could allow an attacker to perform AT command injection, leading to local privilege escalation without requiring additional execution privileges. The vulnerability does not need user interaction for exploitation.
Understanding CVE-2022-20054
This CVE ID pertains to a security issue in MediaTek devices that could be exploited by an attacker for privilege escalation.
What is CVE-2022-20054?
The CVE-2022-20054 vulnerability is characterized by a missing permission check in the ims service of specific MediaTek devices, potentially enabling an attacker to inject AT commands.
The Impact of CVE-2022-20054
If successfully exploited, this vulnerability could result in an attacker escalating their privileges locally without the need for additional execution privileges, posing a risk of unauthorized access and control over the affected devices.
Technical Details of CVE-2022-20054
This section covers the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises from a missing permission check in the ims service, which could be abused by an attacker to inject AT commands.
Affected Systems and Versions
The vulnerability affects a wide range of MediaTek devices running Android versions 9.0, 10.0, 11.0, and 12.0.
Exploitation Mechanism
Exploiting the vulnerability requires no user interaction, making it particularly dangerous as attackers could potentially exploit it remotely.
Mitigation and Prevention
To safeguard against this vulnerability, certain measures need to be implemented.
Immediate Steps to Take
Device users and administrators should apply relevant patches as soon as they are made available by MediaTek to address the vulnerability.
Long-Term Security Practices
Implementing strong security protocols, restricting unnecessary permissions, and staying informed about security bulletins are crucial for maintaining device security.
Patching and Updates
Regularly updating the firmware of affected devices with the latest security patches provided by MediaTek is essential to mitigate the risk of exploitation.