CVE-2022-27823 : Security Advisory and Response
Learn about CVE-2022-27823, an out-of-bounds read vulnerability in Samsung Mobile Devices prior to SMR Apr-2022 Release 1. Understand the impact, affected versions, and mitigation steps.
A detailed overview of the CVE-2022-27823 vulnerability affecting Samsung Mobile Devices.
Understanding CVE-2022-27823
What is CVE-2022-27823?
The CVE-2022-27823 vulnerability is due to an improper size check in the sapefd_parse_meta_HEADER_old function of the libsapeextractor library. This vulnerability exists in versions prior to SMR Apr-2022 Release 1, allowing an out-of-bounds read via a specially crafted media file.
The Impact of CVE-2022-27823
With a CVSS base score of 4 and a medium severity rating, this vulnerability has a low impact on confidentiality but can lead to a potential out-of-bounds read attack on affected Samsung Mobile Devices. The attack complexity is low, and user interaction is not required for exploitation.
Technical Details of CVE-2022-27823
Vulnerability Description
The vulnerability arises from a lack of proper size validation in the libsapeextractor library, enabling threat actors to trigger out-of-bounds read errors through malicious media files.
Affected Systems and Versions
Samsung Mobile Devices running versions Q(10), R(11), S(12) prior to SMR Apr-2022 Release 1 are impacted by CVE-2022-27823.
Exploitation Mechanism
Exploiting this vulnerability does not require any special privileges or user interaction. Attackers with local access can potentially exploit the flaw.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to apply the latest security patches released by Samsung Mobile to address CVE-2022-27823 and prevent potential exploitation. It is crucial to update devices to the SMR Apr-2022 Release 1 or newer.
Long-Term Security Practices
To enhance overall security posture, users should regularly update their devices, exercise caution when handling media files from unknown sources, and follow best practices for secure mobile usage.
Patching and Updates
Regularly check for security updates from Samsung Mobile and promptly apply them to ensure protection against known vulnerabilities like CVE-2022-27823.