CVE-2019-9563 in BlueMind
Summary
by MITRE
In BlueMind 3.5.x before 3.5.11 Hotfix 7 and 4.x before 4.0-beta3, the contact application mishandles temporary uploads.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 07/26/2023
The vulnerability identified as CVE-2019-9563 affects BlueMind email and collaboration platform versions prior to specific hotfixes and beta releases. This issue resides within the contact application component of the software, specifically concerning how it processes temporary file uploads. The flaw represents a critical security oversight that could potentially allow unauthorized users to manipulate or exploit the system's file handling mechanisms. BlueMind is widely used in enterprise environments for managing email services, calendar functionality, and contact management, making this vulnerability particularly concerning for organizations relying on its contact application features.
The technical implementation of this vulnerability stems from inadequate validation and handling of temporary upload files within the contact application. When users attempt to upload contact information or related data, the system creates temporary files during the processing phase. The flaw occurs because the application fails to properly sanitize or validate these temporary files, potentially allowing malicious actors to manipulate the upload process. This could enable attackers to execute arbitrary code, access sensitive data, or disrupt normal system operations through carefully crafted upload requests. The vulnerability falls under the category of improper input validation and inadequate temporary file handling, which are common patterns in web application security flaws.
From an operational standpoint, this vulnerability presents significant risks to organizations using BlueMind versions affected by CVE-2019-9563. Attackers could potentially leverage this flaw to gain unauthorized access to contact databases, execute malicious code on the server, or escalate privileges within the system. The impact extends beyond simple data exposure, as the contact application typically contains sensitive personal and business information that could be exploited for further attacks. Organizations may experience service disruption, data loss, or compliance violations if this vulnerability is successfully exploited. The vulnerability's presence in both version 3.5.x and 4.x branches indicates a widespread issue affecting multiple product lines, increasing the potential attack surface for affected organizations.
Security mitigations for this vulnerability primarily involve applying the official patches and hotfixes released by BlueMind. Organizations should immediately upgrade to BlueMind 3.5.11 Hotfix 7 or 4.0-beta3 versions to address the temporary upload handling issue. Additionally, implementing proper input validation, restricting file upload permissions, and monitoring upload activities can provide additional layers of defense. Network segmentation and access controls should be reviewed to limit potential attack vectors. The vulnerability aligns with CWE-20 (Improper Input Validation) and CWE-73 (External Control of File Name or Path) categories, representing common weaknesses in web application security frameworks. From an ATT&CK perspective, this vulnerability could map to techniques involving command and control communication, privilege escalation, and initial access through web application attacks, making it a significant concern for security operations teams implementing comprehensive threat detection strategies.