CVE-2021-28177 : Vulnerability Insights and Analysis

The CVE-2021-28177 involves a Buffer Overflow vulnerability in ASUS BMC's firmware, specifically in the LDAP configuration function. Remote attackers can exploit this vulnerability to terminate the Web service abnormally.

Understanding CVE-2021-28177

This section provides detailed information about the CVE-2021-28177 vulnerability.

What is CVE-2021-28177?

The vulnerability in ASUS BMC's firmware occurs due to insufficient verification of user-entered string lengths, allowing a Buffer Overflow scenario.

The Impact of CVE-2021-28177

The Buffer Overflow vulnerability can be exploited by remote attackers to gain privileged access and disrupt the normal operation of the Web service.

Technical Details of CVE-2021-28177

Explore the technical aspects of the CVE-2021-28177 vulnerability below.

Vulnerability Description

The LDAP configuration function in ASUS BMC's firmware suffers from a Buffer Overflow vulnerability due to inadequate user input validation.

Affected Systems and Versions

BMC firmware for Z10PR-D16 version 1.14.51
BMC firmware for ASMB8-iKVM version 1.14.51
BMC firmware for Z10PE-D16 WS version 1.14.2

Exploitation Mechanism

Remote attackers with high privileges can leverage the Buffer Overflow vulnerability to disrupt the Web service.

Mitigation and Prevention

Learn how to prevent and mitigate the risks associated with CVE-2021-28177.

Immediate Steps to Take

It is crucial to update ASUS BMC's firmware to the following versions: Z10PR-D16 1.16.1, ASMB8-iKVM 1.16.1, Z10PE-D16 WS 1.16.1.

Long-Term Security Practices

Ensure regular security updates and ongoing monitoring of ASUS BMC's firmware to prevent future vulnerabilities.

Patching and Updates

Stay vigilant for firmware updates and promptly apply patches provided by ASUS to enhance system security.