CVE-2023-26076 Explained : Impact and Mitigation
Discover the impact of CVE-2023-26076 - a critical vulnerability in Samsung Mobile Chipset and Baseband Modem Chipset for various Exynos models. Learn about exploitation, mitigation, and preventive measures.
This CVE record was published on March 13, 2023, and relates to an issue discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. The vulnerability involves an intra-object overflow in the 5G SM message codec due to insufficient parameter validation when decoding reserved options.
Understanding CVE-2023-26076
This section delves into what CVE-2023-26076 is and its impact.
What is CVE-2023-26076?
CVE-2023-26076 is a vulnerability found in Samsung Mobile Chipset and Baseband Modem Chipset, impacting various Exynos models. The vulnerability arises from inadequate parameter validation during the decoding of reserved options in the 5G SM message codec.
The Impact of CVE-2023-26076
The vulnerability can be exploited to trigger an intra-object overflow, potentially leading to security breaches and unauthorized access.
Technical Details of CVE-2023-26076
Here we explore the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability in the 5G SM message codec within the Samsung chipsets could be exploited due to insufficient parameter validation during the decoding process.
Affected Systems and Versions
The issue affects the Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123 chipsets.
Exploitation Mechanism
Attackers could potentially exploit this vulnerability to achieve remote code execution by leveraging the intra-object overflow in the 5G SM message codec.
Mitigation and Prevention
In this section, we discuss steps to mitigate the impact of CVE-2023-26076 and prevent exploitation.
Immediate Steps to Take
It is recommended to apply security updates issued by Samsung to address this vulnerability promptly. Additionally, implementing network security measures can help protect against potential exploits.
Long-Term Security Practices
Maintaining up-to-date software and firmware, conducting regular security assessments, and staying informed about security vulnerabilities can enhance long-term security posture.
Patching and Updates
Regularly checking for and applying security patches provided by Samsung for the affected chipsets is crucial in mitigating the risks associated with CVE-2023-26076.