CVE-2024-50557 in RUGGEDCOM RM1224 LTE(4G) EU
Summary
by MITRE • 11/12/2024
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.2), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.2), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V8.2), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V8.2), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V8.2), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V8.2), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.2), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.2), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.2), SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) (All versions < V8.2), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V8.2), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.2), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.2), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.2), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.2), SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) (All versions < V8.2), SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) (All versions < V8.2), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.2), SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) (All versions < V8.2), SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) (All versions < V8.2), SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) (All versions < V8.2), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.2), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.2), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.2), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.2). Affected devices do not properly validate input in configuration fields of the iperf functionality. This could allow an unauthenticated remote attacker to execute arbitrary code on the device.
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Analysis
by VulDB Data Team • 11/12/2024
This vulnerability resides within RUGGEDCOM industrial networking equipment, specifically affecting multiple router and switch models including RM1224 LTE, SCALANCE M series devices, and S615 routers. The flaw manifests in the iperf functionality where input validation is insufficiently implemented for configuration fields. This represents a critical security weakness that directly violates established security principles and could enable remote code execution without authentication. The vulnerability impacts all affected devices running firmware versions prior to V8.2, creating a widespread exposure across various industrial networking products.
The technical flaw stems from improper input validation mechanisms within the iperf network testing utility functionality. When configuration parameters are processed through the affected devices, the system fails to adequately sanitize or validate user-supplied inputs, creating potential injection vectors for malicious payloads. This vulnerability aligns with CWE-20, which describes improper input validation as a fundamental weakness in software security architecture. The absence of proper validation allows attackers to manipulate configuration parameters in ways that could trigger unintended code execution, potentially leading to complete system compromise. The attack surface is particularly concerning given that the vulnerability enables unauthenticated remote exploitation, removing any requirement for prior access credentials.
Operational impact of this vulnerability extends beyond simple network disruption to encompass full system compromise and potential industrial control system (ICS) disruption. In industrial environments where these devices serve as network infrastructure components, successful exploitation could allow attackers to gain persistent access to critical network segments, potentially enabling lateral movement and extended compromise of operational technology environments. The vulnerability's remote nature means that attackers can target these devices from outside the network perimeter, making it particularly dangerous for industrial facilities that may not properly segment their operational networks. This aligns with ATT&CK technique T1210, which covers exploitation of remote services, and T1059, which covers command and scripting interpreter usage for execution.
Mitigation strategies should prioritize immediate firmware updates to version 8.2 or later, which contains the necessary patches to address the input validation deficiencies. Network segmentation and access controls should be implemented to limit exposure of these devices to untrusted networks, while monitoring should be enhanced to detect anomalous network traffic patterns that might indicate exploitation attempts. Security teams should also conduct comprehensive inventory assessments to identify all affected devices within their environments and establish monitoring procedures for detecting unauthorized configuration changes. The vulnerability's classification as a remote code execution flaw necessitates immediate action, as the potential for system compromise and operational disruption makes this a high-priority security concern for industrial organizations relying on these networking devices.