CVE-2019-9005 in Power Scripts App
Summary
by MITRE
The Cprime Power Scripts app before 4.0.14 for Atlassian Jira allows Directory Traversal.
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Analysis
by VulDB Data Team • 06/26/2020
The CVE-2019-9005 vulnerability affects the Cprime Power Scripts application version 4.0.13 and earlier within the Atlassian Jira platform, representing a critical directory traversal security flaw that enables unauthorized access to sensitive system resources. This vulnerability specifically manifests in the application's handling of file paths and user input, allowing attackers to manipulate directory navigation sequences to access files outside the intended directory structure. The issue stems from inadequate input validation and sanitization mechanisms within the script execution framework, creating a pathway for malicious actors to explore the underlying file system and potentially access confidential data, configuration files, or system resources that should remain restricted to authorized users only.
The technical exploitation of this directory traversal vulnerability occurs when the application fails to properly validate or sanitize user-supplied input that influences file system operations. Attackers can craft malicious requests containing sequences such as "../" or similar path traversal patterns that bypass normal access controls and allow them to navigate to arbitrary directories on the server. This flaw directly maps to CWE-22, which categorizes directory traversal vulnerabilities as weaknesses in input validation that permit unauthorized access to files and directories outside the intended scope. The vulnerability's impact extends beyond simple file access, as it can potentially lead to full system compromise when combined with other exploitation techniques, particularly in environments where the application runs with elevated privileges.
From an operational perspective, the vulnerability poses significant risks to organizations using Atlassian Jira with the Cprime Power Scripts plugin, as it can enable attackers to access sensitive information including but not limited to user credentials, system configurations, backup files, and potentially database connection details. The attack surface is particularly concerning in enterprise environments where Jira serves as a central collaboration platform for project management, issue tracking, and potentially sensitive business data. The vulnerability's exploitation can result in data breaches, privilege escalation, and potential lateral movement within the network infrastructure, making it a high-priority concern for security teams responsible for protecting critical business applications. This type of vulnerability aligns with ATT&CK technique T1083, which describes the discovery of files and directories, and T1566, which covers credential harvesting through various attack vectors.
Organizations should immediately update their Cprime Power Scripts plugin to version 4.0.14 or later, which contains the necessary patches to address the directory traversal vulnerability. System administrators should conduct thorough security assessments of their Jira installations to identify any potential exploitation attempts and implement network-level controls to monitor for suspicious file access patterns. Additional mitigations include implementing proper input validation at multiple layers, restricting file system permissions for the Jira application, and deploying web application firewalls to detect and block malicious path traversal attempts. Regular security auditing of third-party plugins and applications within the Jira ecosystem is essential to maintain a secure environment and prevent similar vulnerabilities from being exploited in the future, as this type of flaw demonstrates the importance of proper input sanitization and access control mechanisms in web applications.