CVE-2022-4146 in Replication Manager
Summary
by MITRE • 07/18/2023
Expression Language Injection vulnerability in Hitachi Replication Manager on Windows, Linux, Solaris allows Code Injection.This issue affects Hitachi Replication Manager: before 8.8.5-02.
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Analysis
by VulDB Data Team • 08/09/2023
The CVE-2022-4146 vulnerability represents a critical expression language injection flaw within Hitachi Replication Manager software across multiple operating systems including Windows, Linux, and Solaris platforms. This vulnerability falls under the CWE-94 category of Code Injection, specifically targeting the application's handling of expression language processing. The flaw enables attackers to inject malicious code through improperly sanitized input fields within the replication manager interface, potentially allowing unauthorized execution of arbitrary commands on affected systems.
The technical implementation of this vulnerability stems from insufficient validation and sanitization of user-supplied input within the expression language processing components of Hitachi Replication Manager. When the application processes user-provided data through expression evaluation mechanisms, it fails to properly escape or validate special characters that could be interpreted as command sequences. This weakness allows attackers to craft malicious payloads that bypass normal input validation controls and execute unintended operations within the application context. The vulnerability is particularly concerning as it affects versions prior to 8.8.5-02, indicating that numerous installations may remain exposed to exploitation.
Operational impact of this vulnerability extends beyond simple code execution, as successful exploitation could lead to complete system compromise and unauthorized access to replicated data environments. Attackers could potentially escalate privileges, modify replication configurations, or gain persistence within the target network through the compromised replication manager instance. The vulnerability's cross-platform nature means that organizations running Hitachi Replication Manager on any of the affected operating systems face identical risks, creating widespread exposure across enterprise environments that rely on Hitachi's data replication solutions. This type of vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically targeting expression language processors.
Mitigation strategies for CVE-2022-4146 primarily focus on immediate remediation through official software updates from Hitachi, specifically upgrading to version 8.8.5-02 or later. Organizations should implement network segmentation to limit access to replication manager interfaces and establish strict input validation policies for all user-facing applications. Additional protective measures include monitoring for suspicious command execution patterns, implementing web application firewalls to detect malicious expression language payloads, and conducting thorough vulnerability assessments of all Hitachi Replication Manager installations within the enterprise environment. Security teams should also consider implementing least privilege access controls for replication manager accounts and establish regular patch management procedures to prevent similar vulnerabilities from accumulating in the system.