CVE-2021-25171 Explained : Impact and Mitigation

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

Understanding CVE-2021-25171

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

What is CVE-2021-25171?

The vulnerability exists in the libifc.so websetlicensecfg function of HPE Apollo 70 System BMC firmware prior to version 3.0.14.0, allowing attackers to potentially execute arbitrary code.

The Impact of CVE-2021-25171

Exploitation of this vulnerability could enable unauthorized individuals to gain control of the affected system, leading to information disclosure, data loss, or system compromise.

Technical Details of CVE-2021-25171

This section provides more insight into the vulnerability.

Vulnerability Description

The vulnerability is due to a local buffer overflow in the libifc.so websetlicensecfg function.

Affected Systems and Versions

HPE Apollo 70 System versions prior to 3.0.14.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the websetlicensecfg function, leading to potential arbitrary code execution.

Mitigation and Prevention

To prevent exploitation of CVE-2021-25171, immediate actions are necessary.

Immediate Steps to Take

Update the BMC firmware of HPE Apollo 70 System to version 3.0.14.0 or later.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly check for security updates and patches from the official vendor.
Implement network segmentation and access controls to limit exposure.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by HPE to mitigate the risk of exploitation.