CVE-2024-47126 in Pro Series
Summary
by MITRE • 09/26/2024
The goTenna Pro series does not use SecureRandom when generating its cryptographic keys. The random function in use is not suitable for cryptographic use.
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Analysis
by VulDB Data Team • 10/07/2024
The goTenna Pro series represents a specialized communication device designed for secure messaging and location tracking in environments where traditional cellular networks may be unavailable. These devices operate in critical infrastructure and emergency response scenarios where cryptographic security is paramount for protecting sensitive communications and maintaining operational integrity. The vulnerability affects the device's cryptographic key generation mechanism, which is fundamental to establishing secure communication channels and protecting user data from unauthorized access or interception. This weakness undermines the core security posture of the device and potentially exposes users to significant risks during mission-critical operations.
The technical flaw stems from the implementation of cryptographic key generation within the goTenna Pro series firmware where the system fails to utilize SecureRandom as the primary source for generating cryptographic keys. Instead, the device employs a standard random number generation function that lacks the cryptographic security properties required for creating secure keys. This approach exposes the system to predictability issues where adversaries with sufficient knowledge of the system's behavior or timing could potentially reconstruct the cryptographic keys used for securing communications. The vulnerability directly violates established cryptographic best practices and security standards that require cryptographically secure random number generation for all security-sensitive operations.
The operational impact of this vulnerability extends beyond simple cryptographic weakness to encompass potential compromise of entire communication networks and user privacy. Attackers could exploit this weakness to perform key recovery attacks, decrypt intercepted communications, or impersonate legitimate devices within the network. In emergency response scenarios, this vulnerability could compromise critical communications between first responders, potentially leading to life-threatening situations where secure communication channels are essential. The device's inability to generate cryptographically secure keys also affects the integrity of digital signatures and authentication mechanisms that rely on strong randomness for their effectiveness.
Security practitioners should implement immediate mitigations including firmware updates from goTenna if available, and consider operational measures such as limiting the use of the device in high-security environments until proper cryptographic implementations are verified. The vulnerability aligns with CWE-330, which addresses the use of insufficiently random values in cryptographic contexts, and maps to ATT&CK technique T1583.001 for the development of malware and T1583.002 for the development of tools. Organizations should also conduct thorough security assessments of their communication infrastructure to identify any other devices using similar non-compliant random number generation methods, as this represents a systemic security weakness that could affect multiple components within the same ecosystem.
This vulnerability demonstrates the critical importance of proper cryptographic implementation in security-sensitive devices and highlights the need for rigorous security testing during the development lifecycle. The failure to implement SecureRandom in cryptographic key generation represents a fundamental design flaw that could have been prevented through adherence to established security frameworks and proper security code reviews. The impact on operational security is particularly concerning given that goTenna devices are often deployed in environments where reliable communication is essential for public safety and emergency response operations, making this vulnerability particularly dangerous in real-world deployments.