CVE-2017-7728 in iSmartAlarm Cube
Summary
by MITRE
On iSmartAlarm cube devices, there is authentication bypass leading to remote execution of commands (e.g., setting the alarm on/off), related to incorrect cryptography.
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Analysis
by VulDB Data Team • 06/13/2024
The CVE-2017-7728 vulnerability affects iSmartAlarm cube devices and represents a critical authentication bypass flaw that enables remote command execution capabilities. This vulnerability stems from improper cryptographic implementation within the device's security framework, creating a pathway for unauthorized users to manipulate the alarm system without proper authentication credentials. The affected devices operate under a security model that fails to adequately validate user identities, allowing attackers to execute administrative functions such as enabling or disabling alarms remotely. This cryptographic weakness fundamentally undermines the device's security posture and exposes users to potential unauthorized access and control of their home security systems.
The technical implementation flaw manifests through inadequate cryptographic practices that fail to properly authenticate users before granting access to system functions. Attackers can exploit this vulnerability to send malicious commands that trigger alarm activation or deactivation without requiring valid credentials or authorization. The vulnerability's impact extends beyond simple alarm control to potentially compromise the entire security infrastructure of the protected premises. This type of flaw aligns with CWE-312 (Cleartext Storage of Sensitive Information) and CWE-326 (Inadequate Encryption Strength) categories, as the device fails to properly encrypt sensitive communication channels and authentication mechanisms. The weakness essentially creates a backdoor that bypasses the intended security controls, allowing arbitrary code execution through unauthenticated network requests.
Operationally, this vulnerability presents significant risks to both individual users and broader security ecosystems. Remote attackers can exploit the flaw from any location with network connectivity to the affected device, eliminating geographical constraints on potential exploitation. The implications extend to privacy violations, as unauthorized parties can gain access to security system controls without detection. This vulnerability directly impacts the principle of least privilege and authentication integrity, allowing attackers to assume administrative roles within the device's interface. The threat landscape for such vulnerabilities includes malicious actors seeking to disrupt security operations, potentially leading to unauthorized access to protected premises or data breaches. The attack surface is particularly concerning given that these devices are typically deployed in residential and commercial environments where security is paramount.
Mitigation strategies for CVE-2017-7728 should prioritize immediate firmware updates from the vendor to address the cryptographic implementation flaws. Network segmentation and firewall rules should be implemented to restrict access to affected devices, limiting potential attack vectors through network-based exploitation. Regular security audits of IoT devices should include cryptographic assessment to identify similar vulnerabilities before they can be exploited. Users should be advised to change default credentials and disable unnecessary network services on affected devices. The remediation process must address the root cause through proper cryptographic implementation that includes secure key management, authenticated encryption, and robust session handling mechanisms. Organizations should consider implementing network monitoring solutions to detect anomalous traffic patterns that may indicate exploitation attempts. This vulnerability serves as a reminder of the critical importance of secure cryptographic implementation in IoT devices and aligns with ATT&CK techniques related to credential access and privilege escalation through weak authentication mechanisms.