CVE-2021-29209 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-29209, a vulnerability impacting HPE Integrated Lights-Out (iLO) servers.

Understanding CVE-2021-29209

In this section, we will explore the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-29209?

CVE-2021-29209 is a remote DOM XSS and CRLF injection vulnerability found in HPE Integrated Lights-Out 4 (iLO 4) and HPE Integrated Lights-Out 5 (iLO 5) for HPE Gen9 and Gen10 servers.

The Impact of CVE-2021-29209

The vulnerability allows remote attackers to execute malicious scripts and inject arbitrary HTTP headers, potentially leading to sensitive data exposure and unauthorized access to affected systems.

Technical Details of CVE-2021-29209

Let's delve into the specifics of the vulnerability.

Vulnerability Description

The vulnerability resides in versions prior to HPE Integrated Lights-Out 4 (iLO 4) version 2.78 and HPE Integrated Lights-Out 5 (iLO 5) version 2.44.

Affected Systems and Versions

HPE Integrated Lights-Out 4 (iLO 4) for HPE Gen9 servers, HPE Integrated Lights-Out 5 (iLO 5) for HPE Gen10 Servers, and related SimpliVity models are affected.

Exploitation Mechanism

Remote attackers can exploit this flaw by injecting malicious scripts and manipulating HTTP headers over an insecure network connection.

Mitigation and Prevention

Discover how to protect your systems from CVE-2021-29209.

Immediate Steps to Take

Update HPE Integrated Lights-Out 4 (iLO 4) to version 2.78 and HPE Integrated Lights-Out 5 (iLO 5) to version 2.44. Implement network security measures to block malicious traffic.

Long-Term Security Practices

Regularly update and patch server firmware and utilize network security tools to monitor and block potential threats.

Patching and Updates

Stay informed about security patches and updates released by HPE to address vulnerabilities and enhance system security.