CVE-2022-22264 in Dressroom
Summary
by MITRE • 01/10/2022
Improper sanitization of incoming intent in Dressroom prior to SMR Jan-2022 Release 1 allows local attackers to read and write arbitrary files without permission.
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Analysis
by VulDB Data Team • 01/13/2022
The vulnerability identified as CVE-2022-22264 represents a critical security flaw in the Dressroom application within the SMR Jan-2022 Release 1 framework. This issue stems from inadequate input validation and sanitization mechanisms that process incoming intent parameters, creating a pathway for local attackers to bypass normal access controls and execute unauthorized file operations. The flaw specifically affects the application's handling of intent data structures that are typically used for inter-component communication within Android applications, where proper sanitization should occur before any file system operations are initiated.
The technical implementation of this vulnerability exploits a weakness in the intent parameter processing pipeline where user-supplied data is not properly validated or sanitized before being used in file system operations. Attackers can craft malicious intent payloads that contain specially formatted paths or file references, which when processed by the vulnerable Dressroom component, result in arbitrary file read and write operations. This represents a classic case of insufficient input sanitization that allows for path traversal and privilege escalation attacks, with the vulnerability being classified under CWE-20 as "Improper Input Validation" and potentially CWE-73 as "External Control of File Name or Path" depending on the specific implementation details.
The operational impact of this vulnerability is significant for organizations utilizing the affected SMR release, as local attackers who can execute code on the device or have access to the application's execution environment can leverage this flaw to access sensitive data, modify critical application files, or potentially escalate privileges to gain broader system access. The vulnerability's local nature means that attackers do not require network connectivity or external exploitation vectors, making it particularly concerning for environments where physical access to devices is possible or where applications may be running with elevated privileges. This flaw directly impacts the principle of least privilege and can enable attackers to read confidential application data, modify configuration files, or even inject malicious code into the application's runtime environment.
Mitigation strategies for CVE-2022-22264 should focus on implementing proper input validation and sanitization of all intent parameters before they are processed for file system operations. Organizations should ensure that all incoming intent data is properly validated against expected formats and that any path references are normalized and checked against allowed directories. The fix should include implementing proper access control checks that verify the legitimacy of file operations and prevent unauthorized access to system resources. Additionally, this vulnerability highlights the importance of following secure coding practices as outlined in the OWASP Secure Coding Practices and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: PowerShell" and T1078.004 for "Valid Accounts: Cloud Accounts" when considering broader attack surface implications. The recommended remediation involves updating to the patched version of the SMR release that addresses this sanitization issue and implementing comprehensive logging of intent processing activities to detect potential exploitation attempts. Organizations should also consider implementing additional security controls such as runtime application self-protection mechanisms or application firewalls that can monitor and block suspicious intent processing patterns.