CVE-2021-26574 : Exploit Details and Defense Strategies

This article provides details about CVE-2021-26574, a path traversal vulnerability in the Baseboard Management Controller (BMC) firmware of HPE Apollo 70 System.

Understanding CVE-2021-26574

This section explores the impact, technical details, and mitigation strategies related to CVE-2021-26574.

What is CVE-2021-26574?

The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a path traversal vulnerability in libifc.so webdeletevideofile function.

The Impact of CVE-2021-26574

The vulnerability allows attackers to perform unauthorized file deletions, potentially leading to data loss or unauthorized access to sensitive information on affected systems.

Technical Details of CVE-2021-26574

This section covers specific technical information about the vulnerability.

Vulnerability Description

The path traversal vulnerability in the libifc.so webdeletevideofile function of the BMC firmware allows malicious actors to manipulate file paths and delete files outside the intended directory.

Affected Systems and Versions

HPE Apollo 70 Systems running firmware versions prior to 3.0.14.0 are vulnerable to this issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the affected BMC firmware, tricking it into deleting arbitrary files.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2021-26574 is crucial for maintaining system security.

Immediate Steps to Take

Users and administrators should apply the latest firmware updates provided by HPE to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implementing network segmentation, access controls, and regular security assessments can help enhance overall system security posture.

Patching and Updates

Regularly check for firmware updates from HPE and apply patches promptly to protect systems from known vulnerabilities.