External risk intelligence

DNN Platform Weak Encryption Vulnerability Affects Input Parameters.

CVE advisoryKnown Exploit

CVE-2018-18325

DNN Platform versions 9.2 through 9.2.2 utilize a weak encryption method for input parameters. This weakness could allow unauthorized access to sensitive data and systems. The risk to organizations includes potential data compromise and system control by attackers.

4Halo Surface Signal

Dnnsoftware Dotnetnuke

9.2 to 9.2.2

External exposure likelihood

Halo Surface Signal score for CVE-2018-18325

DotNetNuke is a widely used web content management system platform. In normal deployments, it serves as a public-facing web application, meaning its input parameters and web interfaces are typically exposed to the internet by design.

Horizon Alert

Summary of the vulnerability and why it matters

The DNN (DotNetNuke) platform, specifically versions 9.2 through 9.2.2, contains a weakness in its encryption of input parameters. This flaw allows for the protection of input parameters to be circumvented. This could lead to unauthorized access or modification of data within the affected systems.

Vulnerable DNN platform versions.
Weak encryption of input parameters.
Potential for data compromise.

Attack Path

How an attacker could exploit the issue

This vulnerability affects DNN versions 9.2 through 9.2.2. It arises from the use of a weak encryption algorithm to protect input parameters, stemming from an incomplete fix for a previous vulnerability. Exploiting this could allow an attacker to gain unauthorized control over affected systems.

Publicly accessible web interface.
Attacker sends a specially crafted request.
Results in unauthorized control.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in DNN software could allow attackers to compromise systems by exploiting weak encryption used to protect input parameters. The attack vector is network-based, requiring no specific privileges or user interaction, and could lead to unauthorized access to sensitive data. Given the potential for exploitation and its inclusion in the CISA Known Exploited Vulnerabilities catalog, prompt remediation is advisable.

Attackers need no special skills.
No access or conditions needed.
Organizations face significant risk.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in DNN (DotNetNuke) affects specific versions due to weak encryption for input parameters. Organizations should prioritize identifying all instances of the affected software, as this weakness could be exploited by attackers. Addressing this issue is crucial to protect sensitive data and maintain system integrity.

Identify DNN installations and versions.
Isolate or reduce exposure of affected systems.
Apply vendor updates and verify fixes.

Frequently asked questions

What is DNN Platform and what is its purpose?

DNN Platform, also known as DotNetNuke, is a web content management system designed for building and managing websites and web applications. It enables users to create and publish content, manage user access, and extend functionality through modules.

What type of vulnerability is CVE-2018-18325 in DNN Platform?

CVE-2018-18325 is classified as an Inadequate Encryption Strength vulnerability (CWE-326). This weakness means that DNN Platform versions 9.2 through 9.2.2 employ a weak encryption algorithm for protecting input parameters, rendering the protection insufficient against potential threats.

How does the weak encryption in CVE-2018-18325 create a risk?

The inadequate encryption strength in DNN Platform versions 9.2 to 9.2.2 allows for the insufficient protection of input parameters. This could enable attackers to bypass security measures and potentially access or modify sensitive information within the affected systems.

Why is CVE-2018-18325 considered a relevant threat?

This vulnerability is relevant because it affects DNN Platform, a widely used web content management system that is often publicly accessible. The attack vector is network-based, requiring no special privileges or user interaction, and it is listed in the CISA Known Exploited Vulnerabilities catalog, indicating active exploitation and significant risk to organizations.

What steps should be taken to address the DNN Platform vulnerability?

Organizations should prioritize identifying all installations of DNN Platform versions 9.2 through 9.2.2. It is recommended to isolate or reduce the exposure of affected systems and apply vendor-provided updates to remediate the weak encryption issue and safeguard sensitive data.

References

Written by Nicholas Merritt

External-surface CVE analysis and Halo Surface Signal prioritization for Halo Threat Intelligence.