CVE-2014-3018 in SAS Connectivity Module
Summary
by MITRE
IBM BladeCenter SAS Connectivity Module (aka NSSM) and SAS RAID Module (aka RSSM) before 1.3.3.006 allow remote attackers to cause a denial of service (reboot) via a flood of IP packets.
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Analysis
by VulDB Data Team • 04/06/2018
The vulnerability identified as CVE-2014-3018 affects IBM BladeCenter SAS Connectivity Module (NSSM) and SAS RAID Module (RSSM) versions prior to 1.3.3.006, representing a significant security flaw that enables remote attackers to execute denial of service attacks through network-based packet flooding. This vulnerability resides within the network communication protocols of these blade center modules, which are critical components in enterprise data center infrastructure for managing storage connectivity and RAID configurations. The affected devices operate as networked storage controllers that handle incoming IP traffic for management and operational purposes, making them susceptible to exploitation through crafted network packet streams. The flaw specifically manifests when these modules fail to properly handle excessive IP packet traffic, leading to system instability and subsequent unauthorized reboot operations. This vulnerability falls under the category of insufficient input validation and inadequate error handling within network protocol implementations, aligning with CWE-400 which addresses improper handling of input that can lead to resource exhaustion or system instability. The attack vector is particularly concerning as it requires no authentication or privileged access, making it accessible to any remote attacker capable of sending network packets to the affected devices.
The technical exploitation of this vulnerability involves sending a high volume of IP packets to the affected modules, triggering a condition where the system's network processing capabilities become overwhelmed and eventually cause the device to reboot automatically. This type of attack represents a classic resource exhaustion attack pattern that targets the network stack processing capabilities of the affected hardware. The modules in question are designed to operate continuously in enterprise environments where uptime is critical, and unauthorized reboots can result in significant service disruption. The vulnerability demonstrates poor network traffic handling mechanisms where the system does not implement proper rate limiting or packet filtering to prevent malicious packet flooding from causing system instability. The implementation lacks adequate defensive measures such as connection tracking, packet rate limiting, or automatic system state recovery mechanisms that would prevent a simple flood of packets from causing a complete system reboot. This vulnerability is particularly dangerous in environments where these modules are part of critical storage infrastructure, as unauthorized reboots can lead to data loss, service interruption, and potential damage to storage arrays.
The operational impact of CVE-2014-3018 extends beyond simple service disruption to encompass broader enterprise security and operational concerns. Organizations utilizing affected IBM BladeCenter modules face the risk of unauthorized system reboots that can interrupt critical storage operations, potentially leading to data corruption or loss if systems are not properly shut down. The vulnerability creates an attack surface that can be exploited by threat actors seeking to disrupt business operations, particularly in environments where storage availability is mission-critical. From an enterprise risk perspective, this vulnerability can be leveraged as part of larger attack campaigns where attackers use the reboot capability to gain additional access or to create conditions that facilitate further exploitation. The attack can be executed remotely without requiring physical access or authentication credentials, making it particularly attractive to attackers seeking to disrupt services. This vulnerability also violates fundamental security principles outlined in the NIST SP 800-53 security controls, specifically addressing the need for system availability and protection against denial of service attacks. The incident response implications are significant as organizations must implement immediate mitigation measures and monitor for potential exploitation attempts while preparing for potential service disruptions.
Organizations should implement immediate mitigations including applying the vendor-provided patch version 1.3.3.006 or later to address the vulnerability. Network segmentation and access control measures should be implemented to limit exposure of affected modules to untrusted networks, reducing the attack surface available to potential attackers. Firewalls and network access control lists should be configured to limit IP packet traffic to these modules, implementing rate limiting and packet filtering rules to prevent flooding attacks. The implementation of network monitoring and intrusion detection systems can help identify potential exploitation attempts by monitoring for unusual packet patterns or traffic volumes targeting these modules. Security teams should also conduct vulnerability assessments to identify all affected systems within their environment and prioritize patching efforts based on risk assessment. Regular security audits should be performed to ensure that network configurations remain secure and that no unauthorized changes have been made to the network access controls. Organizations should also implement system logging and monitoring to detect unauthorized reboot events and investigate potential exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date firmware and software in enterprise environments, as unpatched systems represent significant security risks that can be exploited by adversaries to gain unauthorized access or disrupt critical services. This vulnerability also highlights the need for comprehensive network security monitoring and incident response capabilities to detect and respond to potential exploitation attempts before they can cause significant damage to enterprise operations.