CVE-2018-17486 in Lobby Track Desktop
Summary
by MITRE
Lobby Track Desktop could allow a local attacker to bypass security restrictions, caused by an error in the find visitor function while in kiosk mode. By visiting the kiosk and selecting find visitor, an attacker could exploit this vulnerability to delete visitor records or remove a host.
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Analysis
by VulDB Data Team • 08/03/2023
CVE-2018-17486 represents a critical local privilege escalation vulnerability within Lobby Track Desktop software that fundamentally undermines the security posture of visitor management systems. This vulnerability resides in the kiosk mode implementation where the application fails to properly validate user inputs during the find visitor function, creating an exploitable condition that allows unauthorized local access to administrative functions. The flaw specifically manifests when an attacker interacts with the kiosk interface and selects the find visitor feature, which then permits manipulation of core visitor data structures without proper authentication or authorization checks.
The technical nature of this vulnerability aligns with CWE-284, which addresses improper access control mechanisms, and more specifically reflects weaknesses in the application's input validation and privilege management systems. When operating in kiosk mode, the software should enforce strict security boundaries between user interfaces and administrative functions, yet the find visitor function contains a logic error that permits arbitrary data modification. This represents a classic case of insufficient input sanitization where the application fails to properly distinguish between legitimate user actions and malicious attempts to escalate privileges through interface manipulation.
The operational impact of this vulnerability extends beyond simple data integrity concerns to encompass complete compromise of the visitor management system's security model. An attacker with local access to a kiosk device can exploit this flaw to delete critical visitor records, potentially creating false alibis or removing evidence of unauthorized access. Additionally, the ability to remove hosts from the system creates opportunities for further attacks where an attacker might eliminate security personnel or designated hosts to facilitate unauthorized entry. This vulnerability essentially transforms a controlled access point into an unrestricted administrative interface, undermining the fundamental security architecture of the lobby management system.
From a threat modeling perspective, this vulnerability maps directly to ATT&CK technique T1068, which covers local privilege escalation through application misuse, and T1133, which addresses external remote access through compromised endpoints. The attack vector requires local physical access to the kiosk device, making it particularly dangerous in environments where kiosks are deployed in public or semi-public areas with minimal physical security controls. Organizations using Lobby Track Desktop in corporate, healthcare, or government facilities face significant risk of insider threats or social engineering attacks that could leverage this vulnerability to gain unauthorized access to sensitive visitor data and potentially compromise facility security protocols.
Mitigation strategies should focus on immediate patch deployment and implementation of additional security controls including proper input validation, privilege separation, and monitoring of administrative functions within kiosk environments. Organizations should also consider network segmentation to limit local access to kiosk systems, implement robust logging of all visitor management activities, and establish regular security assessments of kiosk interfaces to identify similar vulnerabilities. The remediation process must include comprehensive testing of kiosk mode functionality to ensure that all user interface elements properly enforce access controls and that no unintended administrative pathways exist within the application's security model.