CVE-2022-24351 Explained : Impact and Mitigation
Discover the impact of CVE-2022-24351, a TOCTOU race-condition vulnerability in Insyde InsydeH2O with Kernel versions before 05.52.13, allowing unauthorized data and code alterations.
A detailed overview of the TOCTOU race-condition vulnerability in Insyde InsydeH2O.
Understanding CVE-2022-24351
In this section, we will delve into the specifics of CVE-2022-24351.
What is CVE-2022-24351?
The CVE-2022-24351 is a TOCTOU race-condition vulnerability found in Insyde InsydeH2O with Kernel versions 5.2 before 05.27.29, 5.3 before 05.36.29, 5.4 before 05.44.13, and 5.5 before 05.52.13. This vulnerability enables an attacker to manipulate data and code utilized in the boot process.
The Impact of CVE-2022-24351
The impact of this vulnerability is significant as it allows unauthorized modification of crucial data and code during the boot process, potentially leading to system compromise and unauthorized access.
Technical Details of CVE-2022-24351
In this section, we will explore the technical aspects of CVE-2022-24351.
Vulnerability Description
The vulnerability arises due to a TOCTOU race condition in Insyde InsydeH2O's interaction with specific Kernel versions, potentially resulting in unauthorized alterations to boot process data and code.
Affected Systems and Versions
The affected systems include those running Insyde InsydeH2O with Kernel versions 5.2, 5.3, 5.4, and 5.5 before the respective patched versions mentioned earlier.
Exploitation Mechanism
Attackers can exploit this vulnerability to orchestrate data and code alterations during the boot process, bypassing security measures and compromising system integrity.
Mitigation and Prevention
In this section, we will discuss measures to mitigate and prevent CVE-2022-24351.
Immediate Steps to Take
Immediate actions include applying security patches provided by Insyde for the affected Kernel versions and regularly monitoring for any unauthorized modifications.
Long-Term Security Practices
Implementing secure boot configurations, restricting physical access to systems, and maintaining up-to-date security protocols can enhance long-term security posture.
Patching and Updates
Regularly updating the Insyde InsydeH2O firmware with the latest Kernel patches is crucial to prevent exploitation of the TOCTOU race-condition vulnerability.