CVE-2022-1004 in OTRS
Summary
by MITRE • 03/21/2022
Accounted time is shown in the Ticket Detail View (External Interface), even if ExternalFrontend::TicketDetailView###AccountedTimeDisplay is disabled.
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Analysis
by VulDB Data Team • 03/23/2022
This vulnerability exists in the external frontend interface of a ticketing system where accounted time information is displayed in the ticket detail view regardless of the configuration setting that should disable this feature. The flaw represents a configuration bypass issue where user access controls fail to properly enforce the intended display restrictions for sensitive operational data. The vulnerability allows unauthorized disclosure of time tracking information that should be restricted based on user permissions or system configuration settings.
The technical implementation flaw stems from improper validation of the ExternalFrontend::TicketDetailView###AccountedTimeDisplay configuration parameter. When this setting is disabled, the system should prevent any display of accounted time data in the ticket detail view interface. However, the current implementation fails to properly check this configuration flag before rendering the accounted time information, resulting in a security misconfiguration that exposes operational metrics to users who should not have access to this data.
This vulnerability impacts the confidentiality aspect of the system by potentially exposing time tracking data that may contain sensitive operational information such as billable hours, resource allocation details, or project timelines. The operational impact extends beyond simple data exposure as it undermines the integrity of the system's access control mechanisms and can lead to unauthorized monitoring of resource utilization patterns. Attackers could exploit this to gather intelligence about project timelines, staff productivity metrics, or billing information that should remain restricted to authorized personnel only.
The vulnerability aligns with CWE-668 which addresses "Exposure of Resource to Wrong Sphere" and CWE-284 which covers "Improper Access Control." From an attacker perspective, this issue maps to ATT&CK technique T1213.002 "External Remote Services" as it involves unauthorized access to system information through external interfaces. The weakness represents a failure in the principle of least privilege where users can access information beyond their authorized scope due to improper configuration validation.
Mitigation strategies should focus on implementing proper configuration validation at the interface rendering level where the ExternalFrontend::TicketDetailView###AccountedTimeDisplay parameter is checked before any accounted time data is processed or displayed. The system should enforce strict access control checks during the ticket detail view rendering process, ensuring that all configuration settings are properly evaluated before displaying sensitive operational data. Additionally, implementing comprehensive logging of access attempts and display events related to accounted time information would help detect potential exploitation attempts. Regular security assessments should verify that configuration settings are properly enforced across all user interfaces, and automated testing should validate that disabled features remain properly hidden from unauthorized users.