CVE-2011-2091 in ColdFusion
Summary
by MITRE
Unspecified vulnerability in Adobe ColdFusion 8.0, 8.0.1, 9.0, and 9.0.1 allows remote attackers to cause a denial of service via unknown vectors.
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Analysis
by VulDB Data Team • 11/13/2021
Adobe ColdFusion represents a widely deployed enterprise web application platform that has historically served as a critical component in corporate web infrastructure. The vulnerability identified as CVE-2011-2091 manifests as an unspecified weakness within the software's architecture that affects versions 8.0, 8.0.1, 9.0, and 9.0.1, creating a potential attack surface that adversaries can exploit to disrupt service availability. This particular flaw resides within the platform's core processing mechanisms, where it fails to properly handle certain input conditions that could trigger system instability or resource exhaustion, ultimately resulting in denial of service conditions that impact legitimate users and business operations. The unspecified nature of the vulnerability vectors suggests that multiple attack pathways may exist, making the threat landscape more complex and harder to defend against without comprehensive analysis.
The technical implementation of this vulnerability likely involves improper input validation or resource management within ColdFusion's request processing pipeline. Attackers can potentially leverage this weakness through carefully crafted requests that exploit memory allocation issues, thread exhaustion, or other resource consumption patterns that cause the application server to become unresponsive or crash entirely. The vulnerability operates at the application layer and requires remote access to exploit, meaning that adversaries do not need physical access to the system but can initiate attacks from external networks. This characteristic aligns with common attack patterns documented in the attack tactics and techniques framework, where denial of service attacks represent a fundamental method for compromising system availability and can be classified under the broader category of availability attacks within the attack matrix.
From an operational perspective, the impact of this vulnerability extends beyond simple service disruption to potentially affect business continuity and customer satisfaction. Organizations relying on ColdFusion for critical web applications face the risk of extended downtime that can result in financial losses, reputational damage, and potential compliance violations. The vulnerability's presence in multiple versions indicates a systemic issue within the platform's architecture that requires immediate attention and remediation. Security teams must evaluate their current ColdFusion deployments against these affected versions and implement immediate protective measures while planning for proper patching. The vulnerability also highlights the importance of maintaining current security posture through regular updates and vulnerability assessments, as the lack of specific details about the attack vectors can make it difficult to implement targeted defensive measures.
Organizations should implement multiple layers of defense to mitigate the risk posed by this vulnerability, including network segmentation, intrusion detection systems, and application firewalls that can monitor for suspicious traffic patterns. The implementation of proper input validation and resource management practices can help reduce the attack surface, while regular security audits and vulnerability scanning should be conducted to identify similar weaknesses in other components of the web application stack. Additionally, maintaining detailed incident response procedures and conducting regular security training for personnel can help organizations respond effectively to exploitation attempts. The vulnerability also underscores the need for organizations to maintain up-to-date security patches and to establish robust change management processes that ensure timely deployment of security fixes. This particular weakness demonstrates how even seemingly minor implementation flaws can have significant operational consequences, emphasizing the importance of comprehensive security testing and continuous monitoring of deployed systems. The vulnerability's classification under unspecified weakness patterns aligns with common software security issues where the underlying root cause may not be immediately apparent, requiring detailed forensic analysis to fully understand the attack vectors and implement effective countermeasures.