CVE-2018-1884 in Case Manager
Summary
by MITRE
IBM Case Manager 5.2.0.0, 5.2.0.4, 5.2.1.0, 5.2.1.7, 5.3.0.0, and 5.3.3.0 is vulnerabile to a "zip slip" vulnerability which could allow a remote attacker to execute code using directory traversal techniques. IBM X-Force ID: 151970.
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Analysis
by VulDB Data Team • 06/05/2023
The vulnerability identified as CVE-2018-1884 affects IBM Case Manager versions 5.2.0.0, 5.2.0.4, 5.2.1.0, 5.2.1.7, 5.3.0.0, and 5.3.3.0, representing a critical security flaw that exposes systems to remote code execution through directory traversal techniques. This vulnerability stems from improper handling of archive files, specifically zip archives, within the application's file processing mechanisms. The flaw allows malicious actors to exploit a zip slip vulnerability by crafting specially formatted archive files that contain malicious file paths designed to traverse directories and overwrite critical system files or execute arbitrary code in the context of the application's privileges.
The technical implementation of this vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The vulnerability manifests when the IBM Case Manager application extracts zip archives without proper validation of file paths contained within the archive. Attackers can include malicious path sequences such as ../ or ..\ in the filenames within the zip archive, causing the extraction process to write files outside of the intended target directory. This flaw operates at the file system level and can be exploited by attackers who gain the ability to upload or process malicious zip files through the application's functionality, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it creates a significant attack surface that can be leveraged for persistent system compromise. Successful exploitation could enable attackers to install backdoors, modify critical application components, escalate privileges, or establish persistent access to the affected systems. The vulnerability affects organizations using IBM Case Manager in enterprise environments where case management and workflow automation are critical business processes, making the potential impact particularly severe. Organizations may face data breaches, system downtime, and regulatory compliance violations if this vulnerability is exploited, especially in industries with strict data protection requirements such as financial services, healthcare, or government sectors.
Mitigation strategies for this vulnerability should include immediate patching of affected IBM Case Manager versions to the latest available releases that contain fixes for the zip slip vulnerability. Organizations should implement network segmentation and access controls to limit exposure of the affected systems to untrusted users or external networks. Input validation measures should be strengthened to prevent processing of suspicious archive files, including implementation of strict file path validation and sanitization routines. Security monitoring should be enhanced to detect anomalous file extraction activities or unusual directory traversal patterns in system logs. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all instances of affected software within their environment and implement proper application whitelisting controls to restrict execution of potentially malicious archive extraction utilities. The remediation approach should align with cybersecurity frameworks such as NIST SP 800-53 and ISO 27001 controls for secure software development and system hardening practices.