CVE-2018-5798 in Manager
Summary
by MITRE
This CVE relates to an unspecified cross site scripting vulnerability in Cloudera Manager.
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Analysis
by VulDB Data Team • 06/21/2020
The vulnerability identified as CVE-2018-5798 represents a cross site scripting flaw within Cloudera Manager, a widely deployed enterprise data management platform that governs Hadoop clusters and big data workloads. This type of vulnerability exists within the web interface of Cloudera Manager, which serves as the central control point for administrators to monitor and manage their distributed computing environments. The flaw allows malicious actors to inject malicious scripts into web pages viewed by other users, potentially compromising the security of the entire data management infrastructure.
The technical nature of this cross site scripting vulnerability stems from insufficient input validation and output encoding within the Cloudera Manager web application components. When user-supplied data is improperly sanitized before being rendered in web responses, attackers can craft malicious payloads that execute within the context of other users' browsers. This weakness falls under CWE-79 which specifically addresses cross site scripting vulnerabilities where applications fail to properly validate or encode user-controllable data before incorporating it into dynamically generated web content. The vulnerability manifests when legitimate users interact with web pages that contain malicious script code injected by an attacker, creating a persistent threat vector within the management interface.
The operational impact of CVE-2018-5798 extends beyond simple script execution, as it could enable attackers to escalate privileges, steal session cookies, access sensitive configuration data, or manipulate the management interface to perform unauthorized operations on the underlying Hadoop clusters. Attackers could leverage this vulnerability to gain unauthorized access to critical data management functions, potentially leading to data exfiltration or disruption of business-critical data processing workflows. Given that Cloudera Manager typically operates in enterprise environments with sensitive data, the consequences of exploitation could include compromise of intellectual property, regulatory violations, and significant operational disruption. The vulnerability affects the authentication and authorization mechanisms within the web interface, potentially allowing attackers to impersonate legitimate users and perform administrative actions.
Organizations should implement multiple layers of defense to mitigate this vulnerability, beginning with immediate patching of affected Cloudera Manager versions and ensuring proper input validation across all web interfaces. Security teams should conduct thorough penetration testing to identify additional potential XSS vectors within the platform and establish web application firewalls to monitor and filter malicious payloads. The remediation process should include comprehensive security configuration reviews and user access control assessments, aligning with NIST cybersecurity framework guidelines for protecting enterprise web applications. Additionally, implementing content security policies and regular security awareness training for administrators can significantly reduce the risk of successful exploitation. This vulnerability demonstrates the critical importance of maintaining up-to-date security patches and following secure coding practices, particularly in enterprise management platforms that serve as central attack vectors for broader network compromises.