CVE-2022-27833 : Security Advisory and Response

Samsung Mobile Devices are impacted by an improper input validation vulnerability in the DSP driver prior to the SMR Apr-2022 Release 1, allowing an out-of-bounds write due to an integer overflow.

Understanding CVE-2022-27833

This section will provide insights into the impact and technical details of CVE-2022-27833.

What is CVE-2022-27833?

The CVE-2022-27833 vulnerability involves improper input validation in the DSP driver before the SMR Apr-2022 Release 1, which can result in an out-of-bounds write through an integer overflow.

The Impact of CVE-2022-27833

With a CVSS v3.1 base score of 4.4 and a medium severity rating, this vulnerability has a low attack complexity and vector, along with low impacts on confidentiality and integrity. Attackers with low privileges can exploit this locally without user interaction, affecting the availability of the system.

Technical Details of CVE-2022-27833

Let's delve into the specifics of the vulnerability.

Vulnerability Description

The vulnerability is due to improper input validation in the DSP driver before the SMR Apr-2022 Release 1, leading to an out-of-bounds write triggered by an integer overflow.

Affected Systems and Versions

Samsung Mobile Devices with software versions O(10), R(11), S(12) are impacted, specifically those running versions older than SMR Apr-2022 Release 1.

Exploitation Mechanism

Attackers can exploit this vulnerability locally with low privileges, without requiring user interaction, to conduct an out-of-bounds write via an integer overflow.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent CVE-2022-27833.

Immediate Steps to Take

Users are advised to update their Samsung Mobile Devices to SMR Apr-2022 Release 1 or newer to mitigate this vulnerability. Additionally, monitoring for any unauthorized system access is recommended.

Long-Term Security Practices

In the long term, organizations should enforce secure coding practices, regularly update software and firmware, and educate users on cybersecurity best practices.

Patching and Updates

Regularly check for security updates from Samsung Mobile and apply patches promptly to address known vulnerabilities.