CVE-2024-33659: BiosGuard Buffer Overflow and TOCTOU Vulnerability
First published: Tue Feb 11 2025(Updated: )
AMI APTIOV contains a vulnerability in BIOS where an attacker may cause an Improper Input Validation by a local attacker. Successful exploitation of these vulnerabilities may lead to overwriting arbitrary memory and execute arbitrary code at SMM level, also impacting Confidentiality, Integrity, and Availability.
Credit: biossecurity@ami.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AMI Aptio V |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-33659?
CVE-2024-33659 is considered a high-severity vulnerability due to its potential to allow local attackers to overwrite arbitrary memory and execute code at the SMM level.
How do I fix CVE-2024-33659?
To mitigate CVE-2024-33659, you should apply the latest firmware updates provided by AMI for the APTIOV BIOS.
Who is affected by CVE-2024-33659?
The CVE-2024-33659 vulnerability affects systems utilizing the AMI Aptio V BIOS.
What types of attacks can be executed due to CVE-2024-33659?
Exploitation of CVE-2024-33659 can lead to arbitrary code execution by local attackers, compromising system confidentiality and integrity.
What should I do if I suspect exploitation of CVE-2024-33659?
If you suspect exploitation of CVE-2024-33659, immediately assess systems for unauthorized access and apply relevant security patches.
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