CVE-2017-1000022 in LogicalDoc CommunityEdition
Summary
by MITRE
LogicalDoc CommunityEdition 7.5.3 and prior contain an Incorrect access control which could leave to privilege escalation
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Analysis
by VulDB Data Team • 10/26/2019
The vulnerability identified as CVE-2017-1000022 affects LogicalDoc Community Edition versions 7.5.3 and earlier, representing a critical access control flaw that enables unauthorized privilege escalation. This issue stems from improper authorization checks within the application's security framework, allowing authenticated users to exploit logical inconsistencies in the permission system. The vulnerability resides in the application's handling of user roles and access rights, creating a pathway for malicious actors to elevate their privileges beyond their intended access levels. Security researchers have classified this as a logical access control weakness that undermines the fundamental security model of the document management platform.
The technical implementation of this vulnerability involves a flaw in the application's role-based access control mechanism where certain administrative functions can be invoked by users who should not possess such capabilities. This occurs due to insufficient validation of user permissions when processing requests for elevated privileges or administrative operations. The flaw likely manifests through improper session management or inadequate input sanitization that allows attackers to manipulate access control parameters. According to CWE classification, this vulnerability aligns with CWE-284 Access Control Flaws, specifically targeting improper access control mechanisms that permit unauthorized privilege escalation. The vulnerability can be exploited through various attack vectors including direct API calls or web interface manipulation that bypasses normal authorization checks.
The operational impact of this vulnerability extends beyond simple privilege escalation, potentially enabling attackers to gain full administrative control over the document management system. Once exploited, malicious users could access sensitive documents, modify system configurations, create or delete user accounts, and perform other administrative functions that compromise the integrity and confidentiality of the entire system. This vulnerability particularly affects organizations relying on LogicalDoc for document storage and management, as it could lead to data breaches, unauthorized modifications, and complete system compromise. The threat actor profile typically includes both internal users with legitimate access who may abuse their privileges and external attackers who exploit the vulnerability to gain unauthorized access. Organizations using vulnerable versions face significant risk of compliance violations under data protection regulations such as gdpr, hipaa, and pci dss due to the potential exposure of sensitive information.
Mitigation strategies for CVE-2017-1000022 require immediate action including upgrading to LogicalDoc Community Edition version 7.5.4 or later, which contains the necessary security patches addressing the access control flaw. Organizations should implement comprehensive access control reviews to identify and remediate any potential exploitation attempts, while also conducting thorough security assessments of their document management systems. Network segmentation and monitoring solutions should be deployed to detect suspicious access patterns that might indicate exploitation attempts. Security teams must also review and validate existing user permissions to ensure that no unauthorized privilege escalation has occurred. Additionally, implementing multi-factor authentication and regular security audits can provide additional layers of protection. The vulnerability demonstrates the importance of proper access control implementation as outlined in the mitre att&ck framework under privilege escalation techniques, specifically targeting the use of application vulnerabilities for unauthorized access. Organizations should also consider implementing automated vulnerability scanning tools to identify similar issues in other applications within their infrastructure. Regular patch management processes should be established to ensure timely deployment of security updates and prevent exploitation of known vulnerabilities.