External risk intelligence

Hitachi Vantara Pentaho BA Server Authorization Bypass

CVE advisoryKnown Exploit

CVE-2022-43939

Hitachi Vantara Pentaho Business Analytics Server has a security flaw allowing unauthorized access via URL manipulation. This impacts organizations by exposing sensitive data and systems. The realistic business risk includes potential data breaches and system compromise, affecting operational integrity.

4Halo Surface Signal

Hitachi Vantara Pentaho Business Analytics Server

before 9.3.0.29.4.0.0

External exposure likelihood

Halo Surface Signal score for CVE-2022-43939

Pentaho Business Analytics Server is a web-based enterprise application platform used for data analysis and reporting. Such servers are commonly deployed as network-accessible web applications to provide reports and dashboards to business users, often sitting on an internal network or being exposed to the internet to facilitate remote access for employees or partners.

Horizon Alert

Summary of the vulnerability and why it matters

Hitachi Vantara Pentaho Business Analytics Server is affected by a security flaw that can allow unauthorized access to sensitive information. The vulnerability stems from how the server handles certain URL requests, enabling attackers to bypass security checks. This could lead to significant business risks, including data breaches and unauthorized system access.

  • Vulnerable Pentaho Business Analytics Server
  • Non-canonical URLs bypass security
  • Unauthorized access and data exposure

Attack Path

How an attacker could exploit the issue

Attackers can exploit security limitations in the Pentaho Business Analytics Server by circumventing non-canonical URL paths. This allows unauthorized access to sensitive functionalities and data within the affected systems. The attack path involves leveraging the server's interpretation of URLs to bypass normal authorization checks. Successful exploitation could lead to significant data compromise and disruption of business operations.

  • Server exposed to network.
  • Attacker sends crafted URL.
  • Bypasses authorization; gains control.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows attackers to bypass security restrictions on Hitachi Vantara Pentaho Business Analytics Server. Exploitation could lead to unauthorized access to sensitive data and systems, potentially impacting business operations and data integrity. The nature of the vulnerability suggests a significant risk to organizations utilizing the affected software.

  • Likely attacker skill level: Low
  • Required access or conditions: Network access
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Hitachi Vantara Pentaho Business Analytics Server versions prior to 9.4.0.1 and 9.3.0.2 are affected by a vulnerability that allows security restrictions to be circumvented through non-canonical URLs. This presents a significant business risk due to the potential for unauthorized access and data compromise. Organizations utilizing this software should take immediate steps to identify and mitigate the exposure.

  • Find exposed Pentaho servers.
  • Limit access to affected systems.
  • Apply vendor updates and verify.
  • Monitor for related activity.

Frequently asked questions

What is Hitachi Vantara Pentaho Business Analytics Server?

Hitachi Vantara Pentaho Business Analytics Server is a platform used for data analysis and reporting. It allows users to access and process business information, often through web-based interfaces for creating dashboards and reports.

What is the weakness in CVE-2022-43939?

CVE-2022-43939 is a weakness classified as CWE-647, involving the use of non-canonical URL paths for authorization decisions. This means that the server's security checks can be bypassed by sending specially crafted URLs, potentially allowing unauthorized access.

How might an attacker exploit CVE-2022-43939?

An attacker could exploit this vulnerability by sending a crafted URL to the Pentaho Business Analytics Server. This specific type of attack does not require the attacker to have any special access or credentials initially, and the bug is not triggered if the URLs are handled in a standard way.

Who should care about this CVE if Pentaho BA Server is internal?

Organizations should care even if their Pentaho Business Analytics Server is internal. While the Halo Surface Signal indicates it's likely exposed externally, an internal server could still be a target for an attacker who has already gained a foothold within the network, allowing them to move laterally and access sensitive data.

What should I do if I run Pentaho Business Analytics Server?

If you are running a Pentaho Business Analytics Server, you should first identify all instances of the software within your environment. Then, take steps to limit access to these systems and prioritize applying the updates released by Hitachi Vantara to address this vulnerability.

References