CVE-2020-12488 in Jovi Smart Scene
Summary
by MITRE • 11/10/2021
The attacker can access the sensitive information stored within the jovi Smart Scene module by entering carefully constructed commands without requesting permission.
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Analysis
by VulDB Data Team • 11/12/2021
The vulnerability identified as CVE-2020-12488 represents a critical security flaw within the jovi Smart Scene module that allows unauthorized access to sensitive information through crafted command injection techniques. This vulnerability falls under the category of insecure direct object references and improper access control mechanisms, with potential implications for data confidentiality and system integrity. The flaw exists in the authentication and authorization processes of the smart scene module, where the system fails to properly validate user inputs and verify access permissions before executing sensitive operations. This weakness enables an attacker to bypass normal security controls and directly manipulate system functions through carefully constructed commands that exploit the module's input handling mechanisms.
The technical implementation of this vulnerability stems from inadequate input validation and insufficient access control checks within the jovi Smart Scene module's command processing pipeline. When legitimate commands are received by the system, the module fails to properly sanitize or authenticate these inputs before executing them against underlying system resources. This creates an environment where malicious actors can construct specific command sequences that, when processed by the vulnerable module, result in unauthorized data access. The vulnerability manifests when the system processes user-supplied commands without verifying the caller's privileges or ensuring that the requested operations are authorized for the current user context. This flaw aligns with CWE-285, which addresses improper authorization in software systems, and represents a classic case of insufficient access control validation.
The operational impact of CVE-2020-12488 extends beyond simple unauthorized data access to potentially compromise the entire smart scene ecosystem. An attacker exploiting this vulnerability could gain access to sensitive configuration data, user credentials, system logs, and other confidential information stored within the jovi Smart Scene module. The implications for IoT security are particularly concerning as smart scene modules often control critical home automation functions and may contain personal data about users' living patterns and preferences. This vulnerability could enable attackers to escalate their privileges, access other connected devices, or even manipulate the smart home environment to their advantage. The attack surface is further expanded when considering that many smart scene systems integrate with cloud services, potentially allowing attackers to pivot to broader network compromises.
Mitigation strategies for CVE-2020-12488 must address both immediate remediation and long-term security architecture improvements. Organizations should implement comprehensive input validation mechanisms that sanitize all user-supplied commands before processing, employ robust access control lists that verify user permissions for each operation, and establish proper authentication frameworks that validate user identity before granting system access. The implementation of principle of least privilege should be enforced throughout the system, ensuring that even if an attacker gains access to one module, they cannot easily move laterally to other system components. Additionally, regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other modules of the smart scene system. This vulnerability highlights the importance of secure coding practices and adherence to security standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks, particularly focusing on secure input handling and access control implementation. Organizations should also consider implementing network segmentation and monitoring solutions to detect and respond to unauthorized access attempts that may exploit this and similar vulnerabilities.