CVE-2018-5337 in Desktop Central
Summary
by MITRE
An issue was discovered in Zoho ManageEngine Desktop Central 10.0.124 and 10.0.184: directory traversal in the SCRIPT_NAME field when modifying existing scripts.
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Analysis
by VulDB Data Team • 03/26/2020
The vulnerability identified as CVE-2018-5337 represents a critical directory traversal flaw within Zoho ManageEngine Desktop Central versions 10.0.124 and 10.0.184. This security weakness specifically manifests in the SCRIPT_NAME field during the process of modifying existing scripts, creating a potential pathway for unauthorized access to sensitive system resources. The affected software operates as a comprehensive desktop management solution that enables organizations to manage and monitor their endpoint devices, making this vulnerability particularly concerning for enterprise environments where such systems are widely deployed.
The technical implementation of this directory traversal vulnerability stems from inadequate input validation within the SCRIPT_NAME parameter handling mechanism. When users attempt to modify scripts through the web interface, the application fails to properly sanitize or validate the script name input, allowing malicious actors to manipulate the path traversal sequence. This flaw enables attackers to navigate beyond the intended directory structure and potentially access restricted files or execute arbitrary code on the underlying system. The vulnerability operates at the application layer and can be exploited through web-based interfaces without requiring elevated privileges, making it particularly dangerous in environments where administrative access is not strictly controlled.
The operational impact of this vulnerability extends beyond simple data exposure, as it could potentially allow attackers to escalate privileges and gain unauthorized access to critical system components. An attacker could leverage this flaw to read sensitive configuration files, access administrative credentials stored within the system, or even deploy malicious payloads that persist across system restarts. The implications are particularly severe given that ManageEngine Desktop Central is designed for enterprise use cases where it manages critical infrastructure components, making the potential compromise of such systems a significant business risk. Organizations utilizing this software may face regulatory compliance violations, data breaches, and operational disruptions if this vulnerability is exploited.
Mitigation strategies for CVE-2018-5337 should focus on immediate patch application from Zoho, as the vendor has likely released security updates addressing this specific vulnerability. Organizations should also implement network segmentation to limit access to the ManageEngine Desktop Central interface, particularly restricting access to only authorized administrative users. Input validation controls should be enhanced at the application level to sanitize all user-supplied data, particularly in fields that handle file paths or script names. Additionally, implementing web application firewalls and monitoring for suspicious path traversal attempts can provide additional defense in depth. This vulnerability aligns with CWE-22 directory traversal weakness and maps to attack techniques in the MITRE ATT&CK framework under T1059 command and scripting interpreter and T1083 file and directory permissions. Organizations should also conduct thorough security assessments of their desktop management infrastructure to identify other potential vulnerabilities in similar systems that may have been overlooked.