CVE-2020-8740 : What You Need to Know
Learn about CVE-2020-8740, an out-of-bounds write flaw in Intel BIOS platform sample code for certain Intel(R) Processors, allowing privilege escalation via local access. Find mitigation steps here.
An out-of-bounds write vulnerability in Intel BIOS platform sample code for some Intel(R) Processors could lead to privilege escalation through local access.
Understanding CVE-2020-8740
This CVE involves a security issue in Intel BIOS platform sample code that could potentially allow a privileged user to escalate their privileges.
What is CVE-2020-8740?
The CVE-2020-8740 vulnerability pertains to an out-of-bounds write flaw in Intel BIOS platform sample code for certain Intel(R) Processors, which may be exploited by a privileged user to achieve escalation of privilege via local access.
The Impact of CVE-2020-8740
The vulnerability poses a risk of privilege escalation, enabling a privileged user to gain unauthorized access and potentially execute malicious activities on affected systems.
Technical Details of CVE-2020-8740
This section provides more technical insights into the CVE-2020-8740 vulnerability.
Vulnerability Description
The vulnerability involves an out-of-bounds write issue in the Intel BIOS platform sample code for specific Intel(R) Processors, which could be leveraged by a privileged user to escalate their privileges.
Affected Systems and Versions
- Product: Intel BIOS platform sample code for some Intel(R) Processors
- Version: See references
Exploitation Mechanism
The vulnerability can be exploited by a privileged user with local access to the affected system, potentially enabling them to escalate their privileges.
Mitigation and Prevention
To address CVE-2020-8740, follow the mitigation and prevention measures outlined below.
Immediate Steps to Take
- Apply security patches provided by Intel promptly.
- Monitor for any unauthorized access or suspicious activities on the system.
Long-Term Security Practices
- Regularly update BIOS and firmware to the latest versions.
- Implement strong access controls and user privilege management.
Patching and Updates
Ensure timely installation of security patches and updates from Intel to mitigate the CVE-2020-8740 vulnerability.