CVE-2025-64696 in iPrint&Scan App
Summary
by MITRE • 12/09/2025
Android App "Brother iPrint&Scan" versions 6.13.7 and earlier improperly uses an external cache directory. If exploited, application-specific files may be accessed from other malicious applications.
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Analysis
by VulDB Data Team • 12/09/2025
The vulnerability identified as CVE-2025-64696 affects the Brother iPrint&Scan mobile application for Android platforms, specifically versions 6.13.7 and earlier. This issue stems from improper handling of external storage permissions and cache directory usage within the application's security model. The flaw represents a significant security concern as it creates an avenue for privilege escalation and data exposure through insecure file handling practices. The vulnerability falls under the category of insecure data storage and improper access control, which are commonly exploited in mobile application attacks.
The technical implementation of this vulnerability occurs when the application stores sensitive application-specific files in external cache directories without proper security controls. These directories are accessible to other applications on the device, creating a potential attack surface where malicious applications could read, modify, or delete the cached files. The improper use of external storage directories violates fundamental mobile security principles and creates an environment where application data integrity and confidentiality can be compromised. This flaw is particularly dangerous because it allows for cross-application data leakage and potential information disclosure.
From an operational impact perspective, this vulnerability exposes users to several security risks including unauthorized access to scanned documents, print job information, and potentially sensitive configuration data stored by the application. Attackers could exploit this weakness to gain insights into the user's printing activities, access cached scan results, or even manipulate the application's behavior through file injection attacks. The vulnerability is particularly concerning in enterprise environments where users may store confidential business documents or personal information through the printing and scanning application. The impact extends beyond individual privacy concerns to potential corporate data breaches and compliance violations.
The mitigation strategies for this vulnerability should focus on implementing proper secure coding practices and adhering to mobile security standards. Application developers must ensure that all application-specific files are stored in secure internal storage directories with appropriate access controls and permissions. The fix should involve modifying the application's file handling mechanisms to use Android's internal storage APIs exclusively for sensitive data, while implementing proper file permission controls for any external storage usage. This aligns with CWE-310 and follows ATT&CK techniques related to privilege escalation and credential access through insecure data storage. Regular security testing and code reviews should be implemented to prevent similar issues in future releases and maintain compliance with security frameworks such as the OWASP Mobile Top 10 and NIST mobile security guidelines.
This vulnerability demonstrates the critical importance of proper mobile application security design and the potential consequences of inadequate file handling practices. The flaw represents a fundamental breakdown in the application's security architecture and requires immediate attention from both developers and security teams. Organizations using this application should implement immediate patch management procedures and consider alternative printing solutions until the vulnerability is properly addressed through a security update. The incident highlights the need for comprehensive mobile security testing and adherence to secure coding practices throughout the software development lifecycle to prevent similar vulnerabilities from being introduced in future applications.