CVE-2021-36388 : Security Advisory and Response

Yellowfin before version 9.6.1 is affected by an Insecure Direct Object Reference vulnerability that allows attackers to enumerate and download users' profile pictures by sending a specially crafted HTTP GET request to the page "MIIAvatarImage.i4".

Understanding CVE-2021-36388

This section will provide insights into the nature of the vulnerability and its impact.

What is CVE-2021-36388?

The CVE-2021-36388 vulnerability in Yellowfin before 9.6.1 allows malicious actors to retrieve users' profile pictures through a specific HTTP GET request.

The Impact of CVE-2021-36388

The impact of this vulnerability is significant as it compromises the privacy of users by exposing their profile pictures to unauthorized individuals.

Technical Details of CVE-2021-36388

In this section, we will delve into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from insufficient security controls, enabling attackers to access and download users' profile pictures.

Affected Systems and Versions

Yellowfin versions prior to 9.6.1 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting a crafted HTTP GET request to the vulnerable "MIIAvatarImage.i4" page.

Mitigation and Prevention

This section will outline the necessary steps to mitigate the risks associated with CVE-2021-36388.

Immediate Steps to Take

Users and administrators should update Yellowfin to version 9.6.1 or above to address this vulnerability.

Long-Term Security Practices

Implementing robust security measures and regularly updating software can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of security patches and updates to stay protected against known vulnerabilities in Yellowfin.