CVE-2020-12729 in Flamingo
Summary
by MITRE • 07/15/2021
MagicMotion Flamingo 2 has a lack of access control for reading from device descriptors.
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Analysis
by VulDB Data Team • 07/19/2021
The vulnerability identified as CVE-2020-12729 affects the MagicMotion Flamingo 2 device, which represents a significant security weakness in the device's access control mechanisms. This issue stems from insufficient authorization checks when accessing device descriptors, creating a potential pathway for unauthorized data extraction and system compromise. The MagicMotion Flamingo 2 is typically used in industrial or embedded environments where device-level security is paramount for maintaining operational integrity and preventing unauthorized access to critical system information.
The technical flaw manifests as a missing access control layer that should validate user permissions before allowing read operations on device descriptors. Device descriptors contain critical information about the hardware configuration, firmware versions, and system parameters that are typically protected from unauthorized access. Without proper access control enforcement, any user or process with sufficient privileges to access the device interface can read these sensitive descriptors, potentially exposing system architecture details, security configurations, and other information that could aid in subsequent attacks. This vulnerability directly maps to CWE-284 Access Control, which specifically addresses insufficient access control mechanisms in software systems.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can enable attackers to gather intelligence about the device's configuration and implementation details. An attacker could leverage this information to plan more sophisticated attacks, identify potential weaknesses in the device's security architecture, or develop targeted exploits against known vulnerabilities in the MagicMotion Flamingo 2 implementation. The exposure of device descriptors may reveal firmware versions, hardware specifications, and communication protocols that could be exploited in combination with other vulnerabilities. This weakness particularly affects environments where the device operates in restricted or secure network segments where such information disclosure could compromise overall security posture.
Mitigation strategies should focus on implementing robust access control mechanisms that enforce proper authorization checks before any device descriptor read operations are permitted. The system should enforce role-based access control where only authorized personnel or processes can access sensitive device information. Additionally, implementing proper authentication mechanisms and logging access attempts can help detect unauthorized access attempts. Organizations should also consider network segmentation and firewall rules to limit access to device interfaces, as well as regular security assessments to identify similar access control weaknesses in other embedded systems. The remediation approach should align with NIST SP 800-53 security controls and follow ATT&CK framework techniques related to privilege escalation and credential access to ensure comprehensive protection against similar vulnerabilities.