CVE-2007-1448 in BrightStor ARCserve Backup
Summary
by MITRE
The Tape Engine in CA (formerly Computer Associates) BrightStor ARCserve Backup 11.5 and earlier allows remote attackers to cause a denial of service (disabled interface) by calling an unspecified RPC function.
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Analysis
by VulDB Data Team • 11/25/2024
The vulnerability identified as CVE-2007-1448 resides within the Tape Engine component of CA BrightStor ARCserve Backup version 11.5 and earlier releases. This critical security flaw affects the remote administration capabilities of the backup software, specifically targeting the Remote Procedure Call (RPC) interface that governs communication between backup clients and servers. The vulnerability represents a significant concern for enterprise environments that rely on automated backup operations and remote management capabilities, as it exposes the system to potential disruption through simple remote exploitation attempts. The affected Tape Engine component is responsible for managing tape storage operations within the backup infrastructure, making this a particularly dangerous vulnerability given the critical nature of backup systems in business continuity planning.
The technical exploitation of this vulnerability occurs through the invocation of an unspecified RPC function that triggers a denial of service condition within the backup system. When a remote attacker successfully calls this particular RPC function, the system experiences a complete interface disablement, rendering the backup management capabilities inaccessible to legitimate users and administrators. This type of vulnerability falls under the CWE-119 category of "Improper Restriction of Operations within the Bounds of a Memory Buffer" and aligns with ATT&CK technique T1499.002 for "Endpoint Denial of Service" as it specifically targets the availability of backup system interfaces. The RPC mechanism in question likely lacks proper input validation and access control measures, allowing unauthorized remote entities to manipulate system states through carefully crafted function calls that ultimately compromise the operational integrity of the backup infrastructure.
The operational impact of this vulnerability extends far beyond simple service interruption, as it fundamentally undermines the reliability and availability of backup operations that organizations depend upon for disaster recovery and data protection. When the backup interface becomes disabled, system administrators lose the ability to monitor, manage, or initiate backup processes, potentially leading to extended downtime for critical data protection services. Organizations utilizing this backup solution may experience cascading failures in their data protection strategies, as the inability to perform backups or restore operations could result in significant data loss scenarios. The vulnerability particularly affects enterprise environments where backup systems are managed remotely and where automation plays a crucial role in maintaining consistent data protection schedules. The remote nature of the exploit means that attackers can potentially disable backup services without physical access to the systems, making this a particularly concerning threat for organizations with distributed backup infrastructure.
Mitigation strategies for CVE-2007-1448 should focus on immediate patch application and network segmentation measures to limit exposure. Organizations must prioritize updating to versions of CA BrightStor ARCserve Backup that address this vulnerability, as the manufacturer likely released security patches to resolve the RPC function handling issue. Network-level protections should include implementing firewall rules to restrict RPC communication to trusted administrative networks only, while disabling unnecessary RPC services that may not be required for backup operations. Access control measures should be strengthened through mandatory authentication and authorization checks for all RPC function calls, ensuring that only legitimate administrative users can invoke potentially dangerous operations. Additionally, organizations should implement monitoring solutions to detect anomalous RPC activity patterns that may indicate exploitation attempts, while establishing incident response procedures specifically for backup system compromise scenarios. The vulnerability demonstrates the importance of proper input validation in RPC implementations and underscores the necessity of maintaining up-to-date security patches across all enterprise backup infrastructure components.