CVE-2023-39251 Explained : Impact and Mitigation
Learn about CVE-2023-39251 affecting Dell BIOS with an Improper Input Validation vulnerability. Find out the impact, affected systems, and mitigation steps for enhanced security.
A Vulnerability in Dell BIOS
Understanding CVE-2023-39251
Dell BIOS is affected by an Improper Input Validation vulnerability that can be exploited by a local malicious user with high privileges to corrupt memory on the system.
What is CVE-2023-39251?
Dell BIOS contains an Improper Input Validation vulnerability. A local malicious user with high privileges could potentially exploit this vulnerability in order to corrupt memory on the system.
The Impact of CVE-2023-39251
The vulnerability poses a medium severity risk with a base CVSS score of 6.7. It has a low attack complexity and requires high privileges to exploit. While the confidentiality impact is none, the integrity impact is high, with a low availability impact.
Technical Details of CVE-2023-39251
Vulnerability Description
The Improper Input Validation vulnerability in Dell BIOS allows a local malicious user to corrupt system memory.
Affected Systems and Versions
- Vendor: Dell
- Product: CPG BIOS
- Affected Versions:
- Versions prior to 1.20.0
- Versions prior to 1.23.0
- Versions prior to 1.27.0
- Versions prior to 1.25.0
- Versions prior to 1.24.0
- Affected Platforms:
- Inspiron 7510
- Inspiron 7610
- Latitude 5430 Rugged Laptop
- Latitude 5521
- Latitude 7330 Rugged Laptop
- Precision 3561
- Precision 5560
- Precision 5760
- Precision 7560
- Precision 7760
- Vostro 7510
- XPS 15 9510
- XPS 17 9710
Exploitation Mechanism
The vulnerability requires a local malicious user with high privileges to exploit the system and corrupt memory.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to update Dell BIOS to the latest version available. Implementing the following measures can help mitigate the risk:
Long-Term Security Practices
To enhance system security, regularly check for BIOS updates and apply them promptly. Ensure that users with high privileges follow best security practices to prevent unauthorized exploitation of vulnerabilities.
Patching and Updates
Dell has released patches to address the Improper Input Validation vulnerability in affected BIOS versions. Users should apply these patches as soon as possible to secure their systems.