CVE-2010-2633 in Disk Library
Summary
by MITRE
Unspecified vulnerability in EMC Disk Library (EDL) before 3.2.7, 3.3.x before 3.3.2 epatch 8, and 4.0.x before 4.0.1 epatch 4 allows remote attackers to cause a denial of service (communication-module crash) by sending a crafted message through TCP.
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Analysis
by VulDB Data Team • 01/06/2018
The vulnerability identified as CVE-2010-2633 represents a critical denial of service weakness affecting EMC Disk Library systems across multiple software versions. This issue impacts the communication module functionality within EMC's storage infrastructure, specifically in versions prior to 3.2.7, 3.3.2 epatch 8, and 4.0.1 epatch 4. The flaw manifests when the system processes specially crafted TCP messages that trigger unexpected behavior in the communication module, ultimately leading to system crashes and complete service interruption.
The technical nature of this vulnerability stems from inadequate input validation within the communication module of the EMC Disk Library software. When the system receives malformed or specially constructed TCP packets, the processing logic fails to properly handle these inputs, causing the communication module to enter an unstable state that results in a complete system crash. This represents a classic buffer overflow or input validation vulnerability that falls under the CWE-121 category of buffer overflow conditions, though the specific implementation details suggest a more targeted communication protocol handling flaw. The attack vector requires only remote network access and the ability to send TCP packets to the affected system, making it particularly dangerous as it can be exploited from outside the network perimeter.
The operational impact of CVE-2010-2633 extends far beyond simple service disruption, as it affects mission-critical storage infrastructure that organizations depend upon for data availability and business continuity. When the communication module crashes, the entire disk library system becomes inaccessible, potentially resulting in significant data loss operations, extended downtime, and financial losses for affected organizations. The vulnerability particularly affects enterprise storage environments where EMC Disk Library systems serve as primary data storage and backup solutions, making it a high-priority target for malicious actors seeking to disrupt business operations. From an attacker perspective, this vulnerability aligns with ATT&CK technique T1498 which involves network denial of service attacks, and represents a pathway for lateral movement and system compromise within enterprise environments.
Organizations affected by this vulnerability should immediately implement the vendor-provided patches for their specific EMC Disk Library versions, as these updates contain the necessary fixes to properly validate incoming TCP messages and prevent the communication module from crashing. Network segmentation and firewall rules should be implemented to restrict unnecessary TCP access to the affected systems, while monitoring should be enhanced to detect unusual communication patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing proper input validation mechanisms in network services, as it represents a failure in the principle of least privilege and proper error handling within the system architecture. Security teams should also consider implementing intrusion detection systems specifically configured to identify and alert on TCP packet patterns that match the vulnerability characteristics, providing additional layers of defense against potential exploitation attempts.