CVE-2021-26573 : Security Advisory and Response

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

Understanding CVE-2021-26573

This CVE identifies a buffer overflow vulnerability in the BMC firmware of HPE Apollo 70 System, allowing attackers to exploit the libifc.so webgeneratesslcfg function.

What is CVE-2021-26573?

The vulnerability in the BMC firmware of HPE Apollo 70 System prior to version 3.0.14.0 enables a local buffer overflow attack in the libifc.so webgeneratesslcfg function.

The Impact of CVE-2021-26573

Exploitation of this vulnerability could lead to unauthorized access, denial of service, or potential execution of arbitrary code on the affected system, compromising its security.

Technical Details of CVE-2021-26573

This section provides an overview of the vulnerability specifics.

Vulnerability Description

The buffer overflow vulnerability in the libifc.so webgeneratesslcfg function within the BMC firmware of HPE Apollo 70 System exposes the system to security risks.

Affected Systems and Versions

HPE Apollo 70 Systems running firmware versions prior to 3.0.14.0 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this security flaw by crafting malicious input that triggers the buffer overflow, potentially gaining unauthorized control of the system.

Mitigation and Prevention

To safeguard your system against CVE-2021-26573, follow the mitigation steps and best security practices outlined below.

Immediate Steps to Take

Update the BMC firmware of HPE Apollo 70 System to version 3.0.14.0 or later to patch the buffer overflow vulnerability.
Monitor system activity for any signs of unauthorized access or malicious behavior.

Long-Term Security Practices

Implement regular security updates and patches to address potential vulnerabilities in the system.
Enforce strong access controls and authentication mechanisms to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories from HPE and promptly apply recommended patches and updates to fortify your system against emerging threats.