CVE-2022-27821 Explained : Impact and Mitigation
Learn about CVE-2022-27821, an improper boundary check vulnerability in Samsung Mobile Devices, allowing denial of service via crafted image files. Understand the impact, affected systems, and mitigation steps.
A detailed overview of CVE-2022-27821 affecting Samsung Mobile Devices.
Understanding CVE-2022-27821
This CVE involves an improper boundary check in the Quram Agif library before the SMR Apr-2022 Release 1 on Samsung Mobile Devices, leading to a denial of service vulnerability.
What is CVE-2022-27821?
The vulnerability in the Quram Agif library allows attackers to exploit a crafted image file to cause denial of service on affected Samsung Mobile Devices.
The Impact of CVE-2022-27821
The impact is rated as medium severity with a CVSS base score of 4. The attack complexity is low with a local attack vector and low availability impact.
Technical Details of CVE-2022-27821
Vulnerability Description
The vulnerability results from an improper boundary check, enabling attackers to trigger denial of service through a specially crafted image file.
Affected Systems and Versions
Samsung Mobile Devices running versions O(10), R(11), S(12) before the SMR Apr-2022 Release 1 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability locally, requiring no special privileges or user interaction.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk, users should apply the security update released by Samsung Mobile after the SMR Apr-2022 Release 1.
Long-Term Security Practices
Regularly update devices with the latest security patches and be cautious while handling image files to prevent exploitation.
Patching and Updates
For comprehensive protection, install all security updates provided by Samsung Mobile to address CVE-2022-27821.