External risk intelligence

Adobe ColdFusion Code Execution Vulnerability

CVE advisoryKnown Exploit

CVE-2017-3066

Adobe ColdFusion software is affected by a Java deserialization vulnerability that can allow for arbitrary code execution. This presents a business risk as attackers could gain control of affected systems and data. Organizations should address this vulnerability to mitigate potential compromise.

4Halo Surface Signal

Deserialization

Adobe Coldfusion

10.011.02016

External exposure likelihood

Halo Surface Signal score for CVE-2017-3066

Adobe ColdFusion is a commercial application server platform commonly deployed to host public-facing web applications, websites, and enterprise API services. As a web application server, it is frequently positioned at the network edge to serve dynamic content to external users, making its management and application surfaces a common target for remote access.

Horizon Alert

Summary of the vulnerability and why it matters

Adobe ColdFusion is affected by a Java deserialization vulnerability within the Apache BlazeDS library. This flaw allows for unauthorized code execution, potentially impacting the confidentiality, integrity, and availability of systems and data. The business risk stems from the ability of an attacker to gain control over vulnerable systems.

  • Adobe ColdFusion software
  • Java deserialization flaw
  • Arbitrary code execution possible

Attack Path

How an attacker could exploit the issue

Adobe ColdFusion applications using the Apache BlazeDS library may be vulnerable to arbitrary code execution. This vulnerability arises from a Java deserialization flaw within the library. Attackers can exploit this by sending a crafted data payload to an exposed ColdFusion instance. Successful exploitation allows an attacker to execute arbitrary code on the affected system, potentially leading to unauthorized access and control.

  • Applications exposed to the network.
  • Attacker sends crafted Java data.
  • Code execution and system compromise.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in Adobe ColdFusion could allow attackers to execute arbitrary code. The risk is considered critical, indicating a high level of potential damage to affected organizations. Due to the severity and ease of exploitation, organizations should prioritize addressing this vulnerability.

  • Attackers with any skill level.
  • No special access or conditions required.
  • High business risk and urgency.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Organizations utilizing Adobe ColdFusion versions prior to specific updates face a critical Java deserialization vulnerability. This flaw, residing within the Apache BlazeDS library, presents a significant business risk by potentially allowing attackers to execute arbitrary code. The impact could include unauthorized system access, data compromise, and disruption of services hosted on affected ColdFusion instances. Addressing this vulnerability requires a structured approach to minimize risk and restore system integrity.

  • Identify all ColdFusion assets.
  • Reduce exposure or isolate affected systems.
  • Apply vendor updates, verify, and monitor.

Frequently asked questions

What is Adobe ColdFusion?

Adobe ColdFusion is a commercial application server platform used to build and host dynamic websites, web applications, and API services. It helps developers create content that can change based on user input or other factors.

How does CVE-2017-3066 allow code execution?

CVE-2017-3066 is a Java deserialization vulnerability in the Apache BlazeDS library used by Adobe ColdFusion. This means an attacker can send specially crafted Java data to a vulnerable ColdFusion instance, tricking it into executing arbitrary code.

What are the conditions for an attacker to trigger CVE-2017-3066?

An attacker can exploit this vulnerability by sending a crafted data payload to an exposed ColdFusion instance. There are no special access requirements or conditions needed beyond the ability to reach the affected server.

Who should be concerned about this Adobe ColdFusion vulnerability?

Organizations running Adobe ColdFusion that hosts public-facing applications or services should be concerned. This is because these servers are often internet-facing, making them accessible to attackers.

What is the first step to address the CVE-2017-3066 vulnerability?

The first step is to identify all instances of Adobe ColdFusion within your environment. After identification, organizations should consider reducing the exposure of these systems or isolating them if possible, followed by applying vendor updates.

References