CVE-2024-40405 in Thinfinity Workspace
Summary
by MITRE • 11/14/2024
Incorrect access control in Cybele Software Thinfinity Workspace before v7.0.3.109 allows attackers to gain access to a secondary broker via a crafted request.
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Analysis
by VulDB Data Team • 11/14/2024
The vulnerability identified as CVE-2024-40405 represents a critical access control flaw within Cybele Software Thinfinity Workspace version 7.0.3.109 and earlier releases. This weakness enables malicious actors to bypass intended security boundaries and gain unauthorized access to secondary broker components through carefully crafted HTTP requests. The affected system operates under a multi-tier architecture where primary and secondary brokers handle different aspects of remote desktop and application virtualization services. The flaw stems from insufficient validation of request parameters and inadequate authorization checks when processing broker communication protocols, allowing attackers to manipulate request flows and access resources that should be restricted to authorized entities only.
The technical implementation of this vulnerability manifests through improper input sanitization and authorization enforcement mechanisms within the Thinfinity Workspace service layer. Attackers can exploit this weakness by constructing malicious requests that appear legitimate to the system's authentication layer but contain crafted parameters designed to redirect or bypass access controls. The vulnerability specifically affects the broker communication protocol where secondary broker instances are intended to operate under strict access controls, typically accessed only through primary broker components or authorized administrative interfaces. This misconfiguration creates an attack surface where unauthorized entities can directly interact with secondary broker services, potentially gaining access to sensitive session data, user credentials, or system resources that should remain protected.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing Thinfinity Workspace for remote desktop services and application virtualization. The compromise of secondary broker access could enable attackers to intercept or manipulate user sessions, potentially leading to credential theft, session hijacking, or lateral movement within the network infrastructure. The vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and represents a classic example of how inadequate access control mechanisms can create persistent security weaknesses. Organizations relying on this platform for remote work solutions or virtual desktop infrastructure may experience unauthorized access to their virtualized environments, potentially affecting thousands of concurrent users and their associated data.
The attack vector for this vulnerability follows established patterns described in the MITRE ATT&CK framework, particularly under the privilege escalation and lateral movement tactics. Attackers typically begin by identifying the target system and analyzing its Thinfinity Workspace configuration to understand broker relationships and access patterns. Once the vulnerability is confirmed, attackers can proceed with crafting specific requests that exploit the authorization bypass, potentially escalating privileges or accessing additional system components. The exploitation process requires minimal specialized knowledge, making this vulnerability particularly dangerous as it can be leveraged by threat actors with varying skill levels. Organizations should consider implementing network segmentation and monitoring for unusual broker communication patterns as part of their defensive strategy.
Mitigation strategies for CVE-2024-40405 primarily focus on upgrading to the patched version v7.0.3.109 or later, which includes enhanced access control mechanisms and improved request validation. Network administrators should implement additional security controls such as firewall rules that restrict direct access to secondary broker components, ensuring that only authorized primary brokers can communicate with secondary instances. Input validation should be strengthened at all communication points, with proper logging and monitoring implemented to detect anomalous broker access patterns. Organizations should also consider implementing zero-trust network architectures where every request is validated regardless of its origin, and access controls are enforced through multiple verification mechanisms rather than relying on a single authorization check. Regular security assessments of broker configurations and access policies should be conducted to identify and remediate similar weaknesses in other system components. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect critical infrastructure components from exploitation.