CVE-2022-49038 in Drive Client
Summary
by MITRE • 09/26/2024
Inclusion of functionality from untrusted control sphere vulnerability in OpenSSL DLL component in Synology Drive Client before 3.3.0-15082 allows local users to execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 09/26/2024
The vulnerability identified as CVE-2022-49038 represents a critical security flaw within the Synology Drive Client software, specifically affecting versions prior to 3.3.0-15082. This issue stems from an insecure inclusion of functionality originating from an untrusted control sphere within the OpenSSL DLL component that is part of the client application. The flaw creates a pathway for local attackers to potentially execute arbitrary code on affected systems, significantly undermining the security posture of devices running vulnerable versions of the Synology Drive Client.
The technical nature of this vulnerability falls under the category of insecure library loading or dynamic link library injection, where the application fails to properly validate or authenticate the source of dynamically loaded components. When the Synology Drive Client loads the OpenSSL DLL, it inadvertently incorporates code from an untrusted source, creating an attack surface that malicious actors can exploit. This type of vulnerability is particularly dangerous because it operates at a low level within the operating system, allowing attackers to escalate privileges and gain unauthorized access to system resources. The unspecified vectors suggest that multiple attack paths may exist, potentially including manipulation of the DLL loading process, environment variable tampering, or exploitation of trust relationships within the application's architecture.
The operational impact of this vulnerability extends beyond simple code execution, as it can enable attackers to establish persistent access to affected systems. Local privilege escalation becomes possible through the arbitrary code execution capability, allowing threat actors to elevate their privileges and potentially gain administrative control over the compromised device. This is particularly concerning for enterprise environments where Synology Drive Client is deployed, as it could lead to data exfiltration, system compromise, or lateral movement within the network. The vulnerability affects any system running vulnerable versions of the Synology Drive Client, making it a widespread concern for organizations that rely on this file synchronization solution.
Mitigation strategies for CVE-2022-49038 primarily focus on immediate software updates to the latest stable version of Synology Drive Client that addresses the OpenSSL DLL loading vulnerability. Organizations should prioritize patching all affected systems and implement strict software update policies to prevent similar issues from arising in the future. Security measures should include monitoring for unauthorized DLL loading activities and implementing application whitelisting controls to restrict which components can be loaded by the client application. Additionally, regular security assessments of third-party components and their integration processes should be conducted to identify potential insecure inclusion vulnerabilities. This vulnerability aligns with CWE-427 Uncontrolled Search Path Element and CWE-471 Modification of Assumed-Immutable Data, and may be exploited through techniques consistent with ATT&CK tactics such as privilege escalation and persistence mechanisms. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of successful exploitation, as well as establishing incident response procedures specifically tailored to address DLL injection and code execution vulnerabilities.