CVE-2021-3039 : Exploit Details and Defense Strategies

A vulnerability known as "Information Exposure Through Log Files" in Palo Alto Networks Prisma Cloud Compute Console exposes a secret used for user role authorization. This flaw allows authenticated Operator and Auditor role users to gain Administrator role access by utilizing the leaked secret. The issue affects all versions of Prisma Cloud Compute prior to 21.04.412.

Understanding CVE-2021-3039

This section provides insights into the impact and technical details of CVE-2021-3039.

What is CVE-2021-3039?

The vulnerability lies in Prisma Cloud Compute Console, where a leaked secret enables unauthorized role elevation for authenticated users, compromising system security.

The Impact of CVE-2021-3039

By exploiting this flaw, Operator and Auditor role users can escalate their privileges to gain Administrator role access in the active session.

Technical Details of CVE-2021-3039

Let's delve deeper to understand the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Prisma Cloud Compute leaks a secret through log files, potentially leading to unauthorized role elevation for authenticated users.

Affected Systems and Versions

Prisma Cloud Compute versions earlier than 21.04.412 are impacted by this vulnerability.

Exploitation Mechanism

Authenticated users with Operator or Auditor roles can exploit the leaked secret to gain unapproved Administrator role access.

Mitigation and Prevention

Explore the necessary steps to address and prevent the exploitation of CVE-2021-3039.

Immediate Steps to Take

Operators and Auditors can be temporarily disabled in the Prisma Cloud Compute Console until the system is updated to a secure version.

Long-Term Security Practices

Regularly update Prisma Cloud Compute to the latest version to prevent security vulnerabilities.

Patching and Updates

The issue is resolved in Prisma Cloud Compute 21.04.412 and subsequent versions.