CVE-2015-5446 in StoreOnce Backup
Summary
by MITRE
HP StoreOnce Backup system software before 3.13.1 allows remote attackers to execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 07/02/2022
The vulnerability identified as CVE-2015-5446 affects HP StoreOnce Backup system software versions prior to 3.13.1, representing a critical remote code execution flaw that exposes organizations to significant cybersecurity risks. This vulnerability resides within the backup infrastructure software that manages data protection and recovery operations for enterprise environments. The unspecified vectors suggest that multiple attack surfaces within the system could potentially be exploited, making the vulnerability particularly concerning for security teams tasked with protecting critical data assets. The HP StoreOnce system serves as a primary backup solution for many enterprises, making this flaw a prime target for adversaries seeking to compromise backup environments and gain access to sensitive organizational data.
The technical nature of this vulnerability stems from insufficient input validation and authentication mechanisms within the software components that handle remote communication protocols. Attackers can leverage this weakness to execute arbitrary code on affected systems without requiring legitimate credentials or physical access to the infrastructure. The unspecified nature of the attack vectors indicates that the vulnerability may involve multiple protocol implementations or service endpoints that fail to properly sanitize incoming data or validate user privileges before processing requests. This type of flaw typically falls under the category of software vulnerabilities that allow privilege escalation or unauthorized code execution, often mapping to CWE-74 and CWE-94 within the Common Weakness Enumeration framework. The vulnerability's remote exploitability means that attackers can target systems from external networks without requiring proximity to the physical infrastructure.
The operational impact of CVE-2015-5446 extends far beyond simple unauthorized code execution, as compromised backup systems can provide attackers with access to complete organizational data repositories and potentially enable lateral movement within network environments. Backup systems often contain sensitive information from multiple organizational systems and may lack the robust security controls found on primary production systems, making them attractive targets for attackers seeking to establish persistent access or to disrupt business continuity operations. Organizations that rely on HP StoreOnce for their backup infrastructure face potential data loss, system compromise, and disruption of critical business processes. The vulnerability's classification as a remote code execution flaw aligns with ATT&CK technique T1203, which involves gaining access through remote services, and T1059, which covers command and scripting interpreter usage for execution. Recovery from such an attack could require complete system reinstallation and data restoration from clean backups, potentially resulting in significant downtime and operational disruption.
Organizations should implement immediate mitigation strategies including prompt deployment of HP's security patches and updates for the StoreOnce system software to version 3.13.1 or later. Network segmentation and firewall rules should be implemented to restrict access to backup systems and limit the attack surface where possible. Security monitoring should be enhanced to detect unusual network activity or unauthorized access attempts to backup infrastructure. Regular vulnerability assessments and penetration testing should be conducted to identify additional weaknesses in backup environments. The remediation process should include comprehensive network scans to identify all affected systems and ensure complete patch deployment across the enterprise. Security teams should also review and update their incident response procedures to address potential compromise of backup systems, as these environments often serve as critical recovery points for disaster recovery operations.