CVE-2023-22297 : Vulnerability Insights and Analysis

This CVE record discusses a security vulnerability identified as CVE-2023-22297, assigned by Intel, which was published on May 10, 2023. The vulnerability involves the Intel(R) Server Board BMC firmware before version 2.90, potentially allowing a privileged user to exploit it for escalation of privilege via local access.

Understanding CVE-2023-22297

In this section, we will delve deeper into the details of CVE-2023-22297, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-22297?

CVE-2023-22297 involves the Access of memory location after the end of the buffer in certain Intel(R) Server Board BMC firmware versions. This flaw could be leveraged by a privileged user to enable escalation of privilege through local access.

The Impact of CVE-2023-22297

The impact of CVE-2023-22297 is rated as HIGH with a CVSS base score of 8.2. This vulnerability could be exploited locally with low attack complexity, requiring high privileges. It poses significant risks to confidentiality, integrity, and availability, making it crucial to address promptly.

Technical Details of CVE-2023-22297

Let's explore the technical aspects of CVE-2023-22297, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in the Intel(R) Server Board BMC firmware before version 2.90 allows a privileged user to manipulate memory locations beyond the designated buffer, potentially leading to an escalation of privilege.

Affected Systems and Versions

The impacted system is the Intel(R) Server Board BMC firmware version 2.90 and earlier. Systems running these versions are vulnerable to exploitation by privileged users for privilege escalation.

Exploitation Mechanism

The vulnerability can be exploited by a local user with high privileges who can access the affected Intel(R) Server Board BMC firmware, enabling them to exploit the memory location after the end of the buffer.

Mitigation and Prevention

Understanding the severity of CVE-2023-22297, it is essential to take immediate steps to mitigate the risks and prevent potential exploitation.

Immediate Steps to Take

Update to the latest version: Ensure that the Intel(R) Server Board BMC firmware is updated to version 2.90 or above to address the vulnerability.

Long-Term Security Practices

Regular Security Audits: Conduct routine security audits to identify and mitigate vulnerabilities in the system.
Access Control Measures: Implement strict access control policies to limit privileged user activities and prevent unauthorized access.

Patching and Updates

Stay informed about security advisories and patches released by Intel to address vulnerabilities like CVE-2023-22297. Timely patching of systems is crucial to maintaining a secure environment.