CVE-2022-38734 in StorageGRID
Summary
by MITRE • 03/02/2023
StorageGRID (formerly StorageGRID Webscale) versions prior to 11.6.0.8 are susceptible to a Denial of Service (DoS) vulnerability. A successful exploit could lead to to a crash of the Local Distribution Router (LDR) service.
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Analysis
by VulDB Data Team • 06/24/2026
The CVE-2022-38734 vulnerability affects StorageGRID systems prior to version 11.6.0.8, representing a critical denial of service weakness that targets the Local Distribution Router service component. This vulnerability stems from insufficient input validation mechanisms within the LDR service architecture, which processes network routing information and manages data distribution across StorageGRID clusters. The flaw allows malicious actors to craft specially formatted network requests that trigger memory corruption or resource exhaustion conditions within the LDR process, ultimately leading to service termination and complete system unavailability.
The technical implementation of this vulnerability involves improper handling of malformed network packets or routing messages that the LDR service receives during normal operation. When processing these crafted inputs, the service fails to perform adequate boundary checks or validation routines, causing buffer overflows or stack corruption that results in immediate process termination. This behavior aligns with common software security weaknesses categorized under CWE-129, which addresses insufficient input validation, and CWE-787, which covers out-of-bounds write vulnerabilities. The vulnerability manifests as a complete service crash rather than a partial functionality degradation, making it particularly dangerous in production environments where continuous availability is critical.
From an operational impact perspective, this vulnerability presents significant risks to enterprise storage infrastructure deployments that rely on StorageGRID for data management and distribution. The Local Distribution Router service is fundamental to StorageGRID's ability to maintain network connectivity and data routing across distributed storage nodes, meaning a successful DoS attack can effectively瘫痪 entire storage clusters and render critical business data inaccessible. Organizations using affected versions face potential business disruption ranging from hours to days depending on recovery procedures and backup systems. The vulnerability also creates opportunities for attackers to escalate their operations by leveraging the service disruption to conduct further attacks or gain unauthorized access to other system components.
The attack surface for this vulnerability is primarily network-based, requiring minimal privileges to exploit and potentially allowing remote execution of malicious payloads. Security practitioners should consider this weakness in the context of the MITRE ATT&CK framework, particularly under the T1499 category for network denial of service attacks, and T1566 for initial access through network service exploitation. Organizations should prioritize immediate patching to version 11.6.0.8 or later, as this update includes proper input validation routines and memory management improvements that prevent the exploitation conditions. Additional mitigations include implementing network segmentation to limit access to LDR service endpoints, deploying intrusion detection systems to monitor for suspicious traffic patterns, and establishing robust backup and recovery procedures to minimize impact during potential exploitation events.