CVE-2011-5085 in Movable Type
Summary
by MITRE
Unspecified vulnerability in Movable Type 4.x before 4.36 and 5.x before 5.05 allows remote attackers to read or modify data via unknown vectors.
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Analysis
by VulDB Data Team • 12/01/2021
The vulnerability identified as CVE-2011-5085 represents a critical security flaw affecting Movable Type content management systems version 4.x prior to 4.36 and version 5.x prior to 5.05. This unspecified weakness creates a significant attack surface that enables remote adversaries to potentially access or manipulate sensitive data without requiring authentication or specific credentials. The vulnerability's classification as unspecified indicates that the exact technical mechanism remains undisclosed, which is common in early vulnerability reports where full details have not been publicly disclosed or verified by the vendor.
The technical nature of this vulnerability suggests a fundamental flaw in the application's access control mechanisms or input validation processes. Given that attackers can perform read and modify operations remotely, the flaw likely resides in the application's privilege management system or data handling procedures. This type of vulnerability typically falls under the category of insufficient authorization checks or inadequate data protection measures that allow unauthorized access to system resources. The impact extends beyond simple data theft to include potential data corruption, manipulation of content, and unauthorized modification of system parameters that could compromise the integrity of the entire platform.
From an operational perspective, this vulnerability poses severe risks to organizations relying on Movable Type for content management, particularly those with sensitive information or high-value web properties. The remote exploit capability means that attackers can target systems from anywhere on the internet without requiring physical access or local network presence. The ability to both read and modify data creates a comprehensive attack vector that could lead to complete system compromise, content manipulation, or data exfiltration. Organizations using affected versions may experience unauthorized access to user accounts, modification of published content, or potential infiltration of underlying database systems that store content and user information.
Security practitioners should immediately implement mitigation strategies including immediate patching to versions 4.36 and 5.05 respectively, which would address the underlying vulnerability through proper access controls and input validation measures. Network segmentation and monitoring of affected systems should be implemented to detect potential exploitation attempts, while access controls should be reviewed to ensure proper authorization enforcement. The vulnerability aligns with common attack patterns documented in the attack tactic framework, particularly in the credential access and privilege escalation categories, and represents a typical example of insufficient input validation that could be addressed through proper software development security practices. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts targeting this specific vulnerability pattern.
This vulnerability demonstrates the critical importance of maintaining up-to-date security patches and proper application security controls. The unspecified nature of the flaw highlights the need for comprehensive security testing and vulnerability assessment procedures that can identify weaknesses in application logic and access control implementations. The impact of such vulnerabilities extends beyond immediate data compromise to include potential reputational damage, regulatory compliance issues, and increased risk of cascading attacks within larger network environments where Movable Type systems may be integrated with other services or databases.