CVE-2016-8515 in Version Control Repository Manager
Summary
by MITRE
A remote malicious file upload vulnerability in HPE Version Control Repository Manager (VCRM) was found. The problem impacts all versions prior to 7.6.
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Analysis
by VulDB Data Team • 02/03/2021
The CVE-2016-8515 vulnerability represents a critical remote code execution risk in HPE Version Control Repository Manager (VCRM) versions prior to 7.6. This vulnerability stems from inadequate input validation mechanisms within the file upload functionality of the VCRM system, which is designed to manage software versions and configurations across enterprise environments. The flaw allows remote attackers to bypass authentication and authorization checks, enabling them to upload malicious files to the target system without proper credentials or permissions.
The technical implementation of this vulnerability resides in the application's failure to properly validate file types and content during the upload process. Attackers can exploit this weakness by crafting specially formatted files that bypass the intended security controls, potentially leading to arbitrary code execution on the target server. This vulnerability falls under the Common Weakness Enumeration category CWE-434, which specifically addresses insecure file upload vulnerabilities where applications accept and process untrusted files without proper validation. The flaw demonstrates poor input sanitization practices and inadequate file type restriction mechanisms that are fundamental requirements for secure application design.
From an operational perspective, this vulnerability poses significant risks to enterprise environments that rely on VCRM for version control and software management. Attackers who successfully exploit this vulnerability can gain unauthorized access to the system, potentially leading to data compromise, system takeover, or lateral movement within the network. The impact extends beyond immediate system compromise as attackers can leverage this access to escalate privileges, install backdoors, or use the compromised system as a pivot point for attacking other network resources. This vulnerability directly aligns with tactics described in the MITRE ATT&CK framework under T1190 for Exploit Public-Facing Application and T1059 for Command and Scripting Interpreter, demonstrating how attackers can leverage application weaknesses to establish persistent access.
Organizations utilizing affected VCRM versions should implement immediate mitigations including upgrading to version 7.6 or later, which contains the necessary security patches and improved file validation mechanisms. Network segmentation and access controls should be implemented to limit exposure of the VCRM system to untrusted networks. Additionally, organizations should deploy web application firewalls and implement strict file type validation policies to prevent unauthorized uploads. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications within the enterprise environment. The vulnerability underscores the critical importance of maintaining up-to-date software versions and implementing defense-in-depth strategies to protect against remote exploitation attempts.