CVE-2022-34396 in OpenManage Server Administrator
Summary
by MITRE • 02/01/2023
Dell OpenManage Server Administrator (OMSA) version 10.3.0.0 and earlier contains a DLL Injection Vulnerability. A local low privileged authenticated attacker could potentially exploit this vulnerability, leading to the execution of arbitrary executable on the operating system with elevated privileges. Exploitation may lead to a complete system compromise.
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Analysis
by VulDB Data Team • 08/28/2023
The vulnerability identified as CVE-2022-34396 resides within Dell OpenManage Server Administrator software version 10.3.0.0 and earlier releases, representing a critical security flaw that undermines the integrity of the system's privilege management mechanisms. This vulnerability manifests as a dynamic link library injection weakness that allows attackers to manipulate the software's execution flow and potentially gain unauthorized access to system resources. The flaw specifically affects the software's handling of dynamic libraries during execution, creating an attack surface that can be exploited by malicious actors with minimal system privileges. The root cause of this vulnerability stems from improper validation of library loading procedures within the OMSA application, enabling attackers to inject malicious code through manipulated dynamic link libraries.
The technical implementation of this vulnerability allows a local attacker with low privileged user accounts to leverage the software's legitimate library loading mechanisms to execute arbitrary code with elevated privileges. This occurs because the application fails to properly validate or sanitize the paths from which dynamic libraries are loaded, creating opportunities for attackers to substitute legitimate libraries with malicious ones. The exploitation process typically involves placing a specially crafted DLL file in a location that will be loaded by the vulnerable OMSA application, thereby executing malicious code with the privileges of the target system. This weakness directly corresponds to CWE-426 Untrusted Search Path, which describes the risk of executing unintended programs due to insecure library loading practices. The vulnerability also aligns with ATT&CK technique T1055 Process Injection, as the exploitation involves injecting malicious code into legitimate processes to achieve privilege escalation.
The operational impact of CVE-2022-34396 extends beyond simple privilege escalation to encompass complete system compromise capabilities that can result in data theft, system manipulation, and persistent access to affected infrastructure. Organizations relying on Dell OMSA for server management face significant risk of unauthorized access to their critical infrastructure, as the vulnerability can be exploited to establish backdoors, exfiltrate sensitive data, or deploy additional malware. The local nature of the attack requirement means that even limited user accounts can potentially compromise entire systems, making this vulnerability particularly dangerous in environments where multiple users have access to management interfaces. The elevated privileges gained through exploitation can enable attackers to modify system configurations, install rootkits, or disable security controls, effectively neutralizing the organization's security posture.
Mitigation strategies for this vulnerability require immediate patching of affected Dell OMSA installations to version 10.4.0.0 or later, which contains the necessary security fixes to prevent DLL injection attacks. Organizations should implement comprehensive monitoring for suspicious library loading activities and establish strict access controls to limit user privileges within management environments. Security teams must conduct thorough vulnerability assessments to identify all instances of affected software and ensure proper patch management procedures are in place. Additional protective measures include implementing application whitelisting policies to restrict which libraries can be loaded by OMSA applications, configuring secure library search paths, and monitoring system logs for unusual privilege escalation events. The vulnerability also underscores the importance of regular security assessments and adherence to secure coding practices, particularly regarding library loading mechanisms and privilege management within enterprise management software. Organizations should also consider implementing network segmentation to limit access to management interfaces and establish incident response procedures specifically addressing privilege escalation vulnerabilities.