CVE-2017-7552 in RHMAP
Summary
by MITRE
The file editor in millicore allows files to be executed, as well as created. An attacker could use this flaw to compromise other users, or teams projects stored in source control management of the RHMAP Core installation.
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Analysis
by VulDB Data Team • 11/20/2019
The vulnerability identified as CVE-2017-7552 resides within the millicore file editor component of the Red Hat Mobile Application Platform (RHMAP) Core installation. This flaw represents a critical security weakness that fundamentally undermines the integrity and confidentiality of source code repositories managed through the platform. The vulnerability stems from insufficient input validation and access control mechanisms within the file editor functionality, which permits unauthorized execution of files alongside their creation. This capability creates a dangerous attack vector where malicious actors can leverage the system's file manipulation features to introduce harmful code into the source control environment.
The technical implementation of this vulnerability involves a failure in the millicore component's authorization checks during file operations. When users interact with the file editor, the system does not properly validate file extensions, content types, or execution permissions before allowing file creation or modification. This weakness aligns with CWE-732, which addresses inadequate permissions for critical resources, and represents a direct violation of the principle of least privilege. The flaw enables attackers to upload and execute arbitrary code within the context of the RHMAP Core installation, potentially compromising all projects and user data stored in the source control management system.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with persistent access to the entire development environment. An attacker who successfully exploits this flaw can manipulate source code repositories, inject malicious code into legitimate projects, or establish backdoors that persist across system updates. The implications are particularly severe in enterprise environments where RHMAP Core serves as a central platform for multiple development teams and projects. This vulnerability creates a pathway for attackers to compromise not just individual user accounts but entire organizational codebases, potentially leading to data breaches, intellectual property theft, or system-wide compromise. The attack surface is further expanded because the vulnerability affects the core platform functionality rather than individual applications, making it a systemic security risk.
Mitigation strategies for CVE-2017-7552 must address both immediate remediation and long-term architectural improvements. Organizations should implement strict file type validation and content filtering mechanisms within the millicore file editor to prevent execution of potentially harmful file formats. The solution should incorporate proper access control enforcement and mandatory file permission checks before any file operations are permitted. Additionally, security hardening measures including input sanitization, execution environment isolation, and comprehensive logging of file operations should be implemented. The ATT&CK framework's technique T1059.007 for "Command and Scripting Interpreter: PowerShell" and T1078.004 for "Valid Accounts: Cloud Accounts" should be considered when implementing access controls, as this vulnerability could enable attackers to escalate privileges through compromised source code repositories. Regular security assessments and code reviews should be conducted to ensure that similar flaws do not exist in other components of the RHMAP Core platform, with particular attention to file handling and execution permissions.