CVE-2015-7288 in DualCom GPRS CS2300-R
Summary
by MITRE
CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 allow remote attackers to modify the configuration via a command in an SMS message, as demonstrated by a "4 2" command.
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Analysis
by VulDB Data Team • 11/10/2024
The CSL DualCom GPRS CS2300-R device represents a specialized communication module designed for industrial and commercial applications requiring robust data transmission capabilities over gprs networks. These devices operate within critical infrastructure environments where secure communication protocols are essential for maintaining operational integrity and preventing unauthorized access. The vulnerability exists within the firmware implementation of these devices, specifically in how they process incoming sms commands, creating a significant security gap that can be exploited by remote threat actors.
This vulnerability stems from insufficient input validation and access control mechanisms within the sms command processing subsystem of the device firmware. The device accepts and processes commands sent via sms messages without proper authentication checks or command validation, allowing any remote attacker who can send sms messages to the device to execute arbitrary configuration changes. The specific "4 2" command demonstrates how simple sms messages can be crafted to manipulate device settings, potentially affecting network parameters, communication protocols, or operational modes. This flaw directly maps to cwe-20 input validation errors and cwe-284 improper access control vulnerabilities.
The operational impact of this vulnerability extends beyond simple configuration modification, potentially compromising the entire communication infrastructure that relies on these devices. Remote attackers could disrupt services by altering network settings, redirecting communications, or disabling critical functions. The device's role in industrial control systems and commercial communication networks means that such modifications could lead to cascading failures, operational downtime, or even safety hazards in environments where these devices control critical processes. The remote nature of the attack vector eliminates the need for physical access or network proximity, making the device particularly vulnerable to widespread exploitation.
Mitigation strategies should focus on implementing robust authentication mechanisms for all sms command processing functions and establishing strict input validation protocols for incoming messages. Network segmentation and monitoring should be implemented to detect anomalous sms traffic patterns that might indicate exploitation attempts. Device firmware should be updated to enforce proper access controls and validate all incoming commands against predefined whitelists. Organizations should also consider implementing sms message filtering systems that can identify and block suspicious command patterns. This vulnerability aligns with attack techniques described in the mitre att&ck framework under initial access and privilege escalation categories, specifically targeting the use of sms-based attack vectors against industrial control systems. Regular security assessments and firmware updates are essential to maintaining device security posture against evolving threats.