CVE-2018-6505 in Management Center
Summary
by MITRE
A potential Unauthenticated File Download vulnerability has been identified in ArcSight Management Center (ArcMC) in all versions prior to 2.81. This vulnerability could be exploited to allow for Unauthenticated File Downloads.
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Analysis
by VulDB Data Team • 05/17/2023
The vulnerability identified as CVE-2018-6505 represents a critical security flaw in the ArcSight Management Center (ArcMC) platform, affecting all versions prior to 2.81. This issue falls under the category of unauthorized access vulnerabilities and specifically targets the file download functionality within the ArcSight environment. The ArcSight Management Center serves as a comprehensive security information and event management solution that organizations rely upon to monitor and analyze security events across their networks. When a system contains an unauthenticated file download vulnerability, it fundamentally undermines the security posture by allowing any external party to access sensitive files without proper authentication or authorization.
The technical implementation of this vulnerability stems from insufficient access controls within the ArcSight Management Center's file handling mechanisms. Attackers can exploit this weakness by directly accessing specific endpoints or URLs that should normally require authentication credentials to retrieve files. The flaw essentially allows for arbitrary file retrieval from the server, potentially exposing configuration files, log data, system binaries, or other sensitive information that should remain protected within the secured environment. This type of vulnerability is classified as CWE-22 - Improper Limitation of a Pathname to a Restricted Directory and aligns with ATT&CK technique T1078 - Valid Accounts, as it enables unauthorized access to system resources without requiring legitimate credentials.
The operational impact of this vulnerability extends beyond simple data exposure, as it creates potential pathways for further exploitation within the compromised environment. An attacker who successfully leverages this vulnerability could gain access to critical system information that would aid in planning more sophisticated attacks. The unauthenticated nature of the exploit means that even a basic network scan could identify vulnerable systems without requiring any prior access or credentials. Organizations using ArcSight Management Center versions prior to 2.81 face significant risk of data breaches, system compromise, and potential lateral movement within their networks. The vulnerability particularly affects enterprise security monitoring systems where sensitive threat intelligence, security policies, and operational data are stored.
Mitigation strategies for CVE-2018-6505 primarily focus on upgrading to ArcSight Management Center version 2.81 or later, which includes proper authentication controls and access restrictions for file download operations. Organizations should also implement network segmentation and firewall rules to restrict access to ArcSight Management Center components, particularly limiting external access to administrative interfaces. Additional protective measures include regular security assessments, monitoring for unauthorized access attempts, and implementing network intrusion detection systems that can identify suspicious file download activities. The vulnerability demonstrates the importance of maintaining up-to-date security software and highlights the need for continuous vulnerability management programs that can identify and remediate such issues before they can be exploited by malicious actors. Organizations should also consider implementing application-level firewalls and web application firewalls to provide additional layers of protection around the ArcSight Management Center components.