CVE-2019-4384 in Campaign
Summary
by MITRE
IBM Campaign 9.1.2 and 10.1 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 162172.
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Analysis
by VulDB Data Team • 10/06/2023
This vulnerability exists within IBM Campaign versions 9.1.2 and 10.1, representing a classic directory traversal flaw that enables remote attackers to access files outside the intended directory structure. The vulnerability stems from insufficient input validation in the application's handling of URL requests, allowing malicious actors to exploit path traversal sequences using the "/../" pattern. When an attacker crafts a specially crafted URL containing these sequences, the application fails to properly sanitize the input, permitting access to arbitrary files on the underlying filesystem. This weakness directly maps to CWE-22, which categorizes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The vulnerability is particularly concerning as it operates entirely through HTTP requests without requiring any authentication or privileged access, making it highly exploitable in networked environments where IBM Campaign services are exposed to untrusted networks.
The operational impact of this vulnerability extends beyond simple file access, as it could potentially expose sensitive configuration files, database credentials, application source code, or other confidential data stored on the system. Attackers could leverage this weakness to gain insights into the application architecture, identify additional vulnerabilities, or extract information that could facilitate further attacks. The remote nature of the exploit means that an attacker need not have physical access to the system or be within the local network, as the vulnerability can be exploited through any network connection to the affected IBM Campaign service. This characteristic aligns with ATT&CK technique T1083, which covers discovering file and directory permissions, and T1566, which encompasses credential access through various means including exploitation of application vulnerabilities. The attack surface is particularly broad given that IBM Campaign is often deployed in enterprise environments where it may contain sensitive customer data, marketing campaigns, or business-critical information that could be compromised through unauthorized file access.
Organizations affected by this vulnerability should implement immediate mitigations including applying the vendor-provided security patches or updates that address the directory traversal flaw in IBM Campaign versions 9.1.2 and 10.1. Network-level protections such as web application firewalls can provide additional defense-in-depth by filtering out requests containing suspicious path traversal sequences, though these should not be considered a replacement for proper software updates. Access controls should be strengthened to limit exposure of the affected service to only trusted networks and users, while input validation mechanisms should be enhanced to properly sanitize all user-supplied URL parameters. System administrators should conduct thorough audits of the affected systems to identify any potential compromise or unauthorized access that may have occurred through exploitation of this vulnerability. The remediation process should include monitoring for suspicious network traffic patterns that might indicate exploitation attempts, and implementing logging mechanisms that capture and analyze URL requests to detect potential directory traversal attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems within the organization's infrastructure, as this type of vulnerability often indicates broader security gaps that may affect other components of the enterprise environment.