CVE-2005-2591 in MindAlign
Summary
by MITRE
Parlano MindAlign 5.0 and later versions allows remote attackers to list valid users via unknown vectors, aka the "User Enumeration" vulnerability.
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Analysis
by VulDB Data Team • 07/10/2018
The vulnerability identified as CVE-2005-2591 affects Parlano MindAlign versions 5.0 and later, representing a critical user enumeration flaw that exposes system security through unauthorized user discovery mechanisms. This vulnerability falls under the broader category of information disclosure attacks where malicious actors can exploit undisclosed vectors to identify valid user accounts within the system. The issue stems from insufficient input validation and improper error handling within the authentication and user management components of the application, allowing remote attackers to systematically determine which user accounts exist within the system without proper authorization. The vulnerability is particularly concerning as it provides attackers with foundational information necessary for subsequent attack phases including brute force attempts, credential stuffing, or targeted social engineering campaigns.
The technical implementation of this user enumeration vulnerability involves the exploitation of unspecified mechanisms within the MindAlign application that fail to properly validate user requests or sanitize input parameters. Attackers can leverage these weaknesses to send crafted requests that result in different responses based on whether a user account exists or not, thereby enabling them to compile comprehensive lists of valid users through automated probing techniques. This type of vulnerability aligns with CWE-200, which describes information exposure through improper error handling, and represents a classic example of how weak access control mechanisms can inadvertently expose system internals. The attack vector operates entirely over network protocols without requiring any privileged access or complex exploitation techniques, making it particularly dangerous as it can be easily automated and scaled across multiple targets.
The operational impact of this vulnerability extends far beyond simple information disclosure, as it significantly weakens the overall security posture of systems running affected versions of Parlano MindAlign. Once attackers have compiled lists of valid users, they can proceed with more sophisticated attacks such as password spraying, dictionary attacks, or credential reuse attempts against discovered accounts. The vulnerability creates a persistent threat vector that remains active as long as the affected software remains deployed, potentially allowing attackers to gain unauthorized access to sensitive information, perform unauthorized transactions, or establish persistent access within the target environment. This weakness directly violates fundamental security principles of least privilege and defense in depth, as it provides attackers with unauthorized access to user account information that should remain protected.
Mitigation strategies for this vulnerability require immediate attention through software updates and patches provided by the vendor, as well as implementation of additional security controls within the network infrastructure. Organizations should implement rate limiting and account lockout mechanisms to prevent automated enumeration attempts, while also ensuring that authentication responses do not vary based on account existence to eliminate information leakage. Network segmentation and firewall rules can help limit access to the vulnerable application, while monitoring systems should be configured to detect unusual authentication patterns or automated probing activities. The remediation approach should follow established security frameworks such as those recommended by the Center for Internet Security and NIST guidelines, incorporating both immediate patch management and long-term security architecture improvements to prevent similar vulnerabilities from emerging in future deployments.