CVE-2023-44031 in License Manager
Summary
by MITRE • 02/03/2024
Incorrect access control in Reprise License Management Software Reprise License Manager v15.1 allows attackers to arbitrarily save sensitive files in insecure locations via a crafted POST request.
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Analysis
by VulDB Data Team • 08/26/2024
The vulnerability identified as CVE-2023-44031 represents a critical access control flaw within Reprise License Management Software Reprise License Manager version 15.1. This issue stems from inadequate input validation and improper file handling mechanisms that permit unauthorized users to manipulate the software's file system operations through crafted HTTP POST requests. The flaw exists in the license management component that handles file operations, creating a pathway for attackers to bypass normal access controls and write files to arbitrary locations on the system.
This vulnerability manifests as a failure in the software's authorization checks during file save operations, specifically when processing POST requests containing file path parameters. The underlying technical flaw aligns with CWE-284 Access Control Issues, where the system fails to properly enforce access restrictions on file system operations. The implementation lacks proper validation of user-supplied paths and does not verify whether the requesting entity has appropriate permissions to write to the specified destination locations. Attackers can exploit this by crafting malicious POST requests that include directory traversal sequences or hardcoded paths to sensitive system locations.
The operational impact of this vulnerability extends beyond simple unauthorized file creation, as it provides attackers with the capability to place malicious payloads in critical system directories. This could enable privilege escalation attacks where attackers place backdoors, trojans, or other malicious components in locations where they would be automatically executed or loaded by the system. The vulnerability affects the integrity and availability of the license management system, potentially allowing attackers to corrupt license files or inject malicious code that could persist across system reboots. Additionally, the insecure file placement could compromise the confidentiality of sensitive license information or system configuration files.
Security professionals should implement immediate mitigations including network segmentation to limit access to the license management server, implementing strict firewall rules to restrict POST request handling, and applying the vendor-provided patches or updates as soon as they become available. Organizations should also conduct thorough network monitoring to detect anomalous file creation patterns and implement file integrity monitoring solutions to detect unauthorized modifications to critical system locations. The vulnerability demonstrates the importance of proper input validation and access control enforcement in software development, particularly for applications handling sensitive licensing information. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1059 Command and Scripting Interpreter and T1546 Event Triggered Execution, as attackers could leverage the ability to write files to system locations to establish persistence and execute malicious code. The issue underscores the necessity of following secure coding practices and conducting thorough security testing of file system operations to prevent unauthorized access and privilege escalation scenarios.