CVE-2023-34472 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-34472, a vulnerability found in AMI SPx BMC affecting certain versions of MegaRAC_SPx.

Understanding CVE-2023-34472

CVE-2023-34472 is a vulnerability in the BMC of AMI SPx that allows an attacker to manipulate HTTP Headers, potentially leading to integrity loss.

What is CVE-2023-34472?

AMI SPx contains a vulnerability in the BMC where an Attacker may cause an improper neutralization of CRLF sequences in HTTP Headers. A successful exploit of this vulnerability may lead to a loss of integrity.

The Impact of CVE-2023-34472

The impact of this vulnerability is classified as CAPEC-105 (HTTP Request Splitting). It has a CVSS v3.1 base score of 5.7 indicating a medium severity level with high integrity impact.

Technical Details of CVE-2023-34472

This section outlines specific technical details of the CVE.

Vulnerability Description

The vulnerability allows attackers to manipulate CRLF sequences in HTTP Headers, potentially leading to integrity loss.

Affected Systems and Versions

The vulnerability affects AMI MegaRAC_SPx version 12.0 (RC) to less than 12.7 and version 13.0 (RC) to less than 13.5.

Exploitation Mechanism

Attackers can exploit this vulnerability to manipulate HTTP Headers, potentially compromising the integrity of the system.

Mitigation and Prevention

To address CVE-2023-34472, specific steps need to be taken to mitigate the risk and prevent potential exploitation.

Immediate Steps to Take

Upgrade affected systems to versions 12.7 or higher for version 12.0, and versions 13.5 or higher for version 13.0 to prevent exploitation.

Long-Term Security Practices

Regularly monitor and update BMC firmware to address security vulnerabilities and enhance system integrity.

Patching and Updates

Stay informed about security advisories from AMI and apply patches promptly to protect systems against known vulnerabilities.