CVE-2025-36398 in DS8A00
Summary
by MITRE • 08/20/2026
IBM System Storage DS8A00 10.1.3.0 through 10.11.35.0 and IBM DS8900F 89.40.83.0 through 89.44.25.0 could allow an authenticated user to read or modify another user's command history due to an externally controlled filename.
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Analysis
by VulDB Data Team • 08/20/2026
The vulnerability identified in IBM System Storage DS8A00 and IBM DS8900F firmware versions represents a significant security flaw rooted in improper input validation, specifically categorized under CWE-22: Improper Limitation of a Pathname to a Restricted Directory, commonly known as path traversal. This weakness allows an authenticated user to manipulate file system operations by supplying externally controlled filenames that escape the intended directory boundaries. In typical secure implementations, application logic restricts file access to specific directories relevant to the current session or context. However, in this instance, the software fails to adequately sanitize or validate filename inputs before using them in file read and write operations. This lack of rigorous validation enables an attacker to construct paths that reference files outside the authorized scope, effectively bypassing isolation mechanisms designed to separate user data and configurations.
The operational impact of this vulnerability is severe due to its potential for both information disclosure and unauthorized modification. Because the flaw permits reading or modifying another user's command history, it compromises the confidentiality and integrity of sensitive administrative actions. Command histories often contain critical details about system configuration changes, security settings adjustments, and diagnostic commands executed by other users. An attacker leveraging this vulnerability could exfiltrate these records to gain insights into network topology, security policies, or operational procedures that are not publicly disclosed. Furthermore, the ability to modify command history allows for sophisticated anti-forensics activities where an adversary can alter logs to cover their tracks or inject malicious commands that may be executed by other users who review historical data, thereby facilitating further compromise of the storage system.
From a threat modeling perspective aligned with MITRE ATT&CK frameworks, this vulnerability facilitates techniques associated with Collection and Defense Evasion. The ability to read another user's command history aligns with T1059 Command and Scripting Interpreter or more specifically T1620 Reflective Code Loading if the modified commands lead to execution of arbitrary code. More directly, it supports T1070 Indicator Removal on Host, as an attacker can delete or alter log entries to hide malicious activity from security monitoring tools. The exploitation requires authentication, which means the threat actor must first compromise valid credentials through phishing, brute force, or credential stuffing attacks before they can leverage this specific flaw for lateral movement within the storage management interface or data exfiltration.
Mitigation strategies should focus on immediate patching and enhanced access controls. IBM has released firmware updates that address these vulnerabilities by implementing stricter input validation and enforcing canonical path resolution to prevent directory traversal attempts. Administrators must ensure that all affected systems are updated to versions beyond 10.11.35.0 for DS8A00 and 89.44.25.0 for DS8900F. In addition to patching, organizations should enforce the principle of least privilege by restricting administrative access to only those personnel who require it for operational duties. Implementing multi-factor authentication adds a critical layer of defense against credential theft, reducing the likelihood that an attacker can achieve the authenticated state necessary to exploit this flaw. Regular auditing of user activities and command logs through independent monitoring systems can also help detect any anomalous behavior resulting from such exploitation attempts.