CVE-2016-8529 in StoreVirtual 4000 Storage
Summary
by MITRE
A Remote Arbitrary Command Execution vulnerability in HPE StoreVirtual 4000 Storage and StoreVirtual VSA Software running LeftHand OS version v12.5 and earlier was found. The problem was resolved in LeftHand OS v12.6 or any subsequent version.
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Analysis
by VulDB Data Team • 11/12/2022
The vulnerability identified as CVE-2016-8529 represents a critical remote arbitrary command execution flaw within HPE StoreVirtual 4000 Storage and StoreVirtual VSA Software systems that operate on LeftHand OS version 12.5 and earlier. This security weakness stems from insufficient input validation and improper handling of user-supplied data within the storage management interfaces. The flaw allows remote attackers to execute arbitrary commands on affected systems without requiring authentication, making it particularly dangerous for enterprise storage environments where such systems often reside in network-perimeter positions.
The technical implementation of this vulnerability occurs through the manipulation of specific API endpoints or management interfaces that process user input directly into system commands without adequate sanitization or validation. Attackers can exploit this by crafting malicious payloads that bypass normal access controls and directly invoke system-level operations through the storage software's command processing mechanisms. The vulnerability specifically affects the LeftHand OS version 12.5 and earlier releases, indicating that the flaw was introduced in a particular codebase revision and subsequently addressed in the v12.6 release. This suggests that the issue involved a specific implementation of command processing logic that was corrected through enhanced input validation and proper command execution boundaries.
The operational impact of this vulnerability extends beyond simple unauthorized command execution, as it fundamentally compromises the integrity and confidentiality of storage environments. An attacker who successfully exploits this vulnerability can gain complete control over affected storage systems, potentially leading to data exfiltration, system compromise, or disruption of critical storage services. The implications are particularly severe for enterprise environments where storage systems serve as foundational infrastructure components, as these systems often contain sensitive organizational data and support mission-critical applications. The vulnerability's remote nature means that attackers can exploit it from outside the network perimeter, eliminating the need for physical access or internal network presence.
Organizations affected by this vulnerability should prioritize immediate remediation through upgrading to LeftHand OS version 12.6 or later, which includes the necessary patches to address the command execution flaw. Security teams should also implement network segmentation and access controls to limit exposure of affected systems, particularly in environments where the storage management interfaces are accessible from untrusted networks. The vulnerability aligns with CWE-78, which specifically addresses "Improper Neutralization of Special Elements used in an OS Command," and represents a clear example of how insufficient input validation can lead to arbitrary code execution. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control through system services and privilege escalation through exploitation of software vulnerabilities, making it a significant concern for organizations implementing comprehensive threat detection and response strategies.