CVE-1999-0760 in Coldfusion Server
Summary
by MITRE
Undocumented ColdFusion Markup Language (CFML) tags and functions in the ColdFusion Administrator allow users to gain additional privileges.
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Analysis
by VulDB Data Team • 07/03/2014
The vulnerability identified as CVE-1999-0760 represents a critical privilege escalation issue within Adobe ColdFusion applications that existed prior to the widespread adoption of modern security frameworks. This flaw specifically targets the ColdFusion Administrator interface where undocumented CFML tags and functions provide unauthorized access pathways that bypass normal security controls. The vulnerability stems from the implementation of ColdFusion's administrative interface which contained hidden functionality that was not properly secured or documented, creating backdoor access mechanisms for malicious actors. The issue is particularly concerning as it allows users to escalate their privileges without proper authentication or authorization, effectively undermining the application's security model. The ColdFusion Administrator interface was designed to provide system-level control over the application's configuration and management functions, yet undocumented features within this interface created exploitable pathways for privilege elevation.
The technical nature of this vulnerability involves undocumented CFML functions that are accessible through the administrator interface, allowing attackers to execute administrative commands without proper authentication. These undocumented features typically manifest as hidden tags or functions within the ColdFusion Administrator that provide access to system-level operations such as file manipulation, database access, and configuration changes. The flaw operates by exploiting the lack of proper access controls on these hidden administrative functions, which are not properly restricted to authorized administrators only. The vulnerability demonstrates poor input validation and access control implementation where the application fails to properly validate user privileges before executing administrative operations. This issue is classified under CWE-284 which addresses improper access control, specifically focusing on inadequate permissions for administrative functions within web applications. The flaw essentially creates a backdoor mechanism where any user with access to the ColdFusion Administrator interface can potentially escalate privileges through these undocumented functions.
The operational impact of CVE-1999-0760 is severe and far-reaching for organizations utilizing ColdFusion applications, as it provides a direct pathway for attackers to gain administrative control over critical systems. This vulnerability allows for complete compromise of the application environment, enabling unauthorized users to modify application configurations, access sensitive data, and potentially establish persistent access to the system. The impact extends beyond simple privilege escalation as it can lead to complete system compromise, data theft, and unauthorized modifications to critical business applications. Organizations using ColdFusion applications were particularly vulnerable because the undocumented nature of these functions made detection difficult, and the lack of proper access controls meant that even basic users could potentially exploit this vulnerability. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation, specifically targeting the exploitation of administrative functions within web applications. The consequences include potential data breaches, system downtime, and loss of business continuity for organizations that failed to address this vulnerability in a timely manner.
Mitigation strategies for CVE-1999-0760 require immediate implementation of security patches and configuration hardening measures to address the undocumented administrative functions. Organizations should ensure that all ColdFusion installations are updated to the latest security patches provided by Adobe, as these updates typically address known vulnerabilities including undocumented administrative functions. The recommended approach involves implementing proper access controls and authentication mechanisms to restrict access to administrative functions, including the removal or proper restriction of undocumented CFML tags within the administrator interface. Network segmentation and firewall rules should be implemented to limit access to the ColdFusion Administrator interface to only authorized personnel, while also ensuring that administrative functions are properly authenticated before execution. Additionally, organizations should conduct thorough security audits of their ColdFusion applications to identify any other undocumented or hidden administrative functions that may pose similar risks. The mitigation process should include disabling unnecessary administrative functions and ensuring that only properly authenticated administrators can access these critical system controls. Regular security monitoring and log analysis should be implemented to detect any unauthorized access attempts to administrative functions, as the vulnerability's hidden nature makes it particularly challenging to detect through standard security measures.