CVE-2021-26577 : Vulnerability Insights and Analysis

A buffer overflow vulnerability has been identified in the Baseboard Management Controller (BMC) firmware of HPE Apollo 70 System prior to version 3.0.14.0. This vulnerability exists in the libifc.so uploadsshkey function.

Understanding CVE-2021-26577

This CVE details a local buffer overflow vulnerability in the BMC firmware of HPE Apollo 70 System.

What is CVE-2021-26577?

The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer overflow in libifc.so uploadsshkey function.

The Impact of CVE-2021-26577

Exploitation of this vulnerability could allow an attacker to execute arbitrary code or cause a denial of service on the affected system.

Technical Details of CVE-2021-26577

This section provides more insight into the vulnerability.

Vulnerability Description

The buffer overflow vulnerability lies in the libifc.so uploadsshkey function of the BMC firmware in HPE Apollo 70 System prior to version 3.0.14.0.

Affected Systems and Versions

Affected Product: HPE Apollo 70 System
Affected Versions: Prior to Version 3.0.14.0

Exploitation Mechanism

An attacker can exploit this vulnerability by triggering a buffer overflow in the uploadsshkey function, potentially leading to the execution of malicious code.

Mitigation and Prevention

To secure systems from CVE-2021-26577, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Update the BMC firmware to version 3.0.14.0 or later to mitigate the vulnerability.

Long-Term Security Practices

Regularly check for firmware updates and patches provided by the vendor.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure timely application of security patches and updates to protect the system from known vulnerabilities.