CVE-2023-41830 in Ready For App
Summary
by MITRE • 05/03/2024
An improper absolute path traversal vulnerability was reported for the Ready For application allowing a local application access to files without authorization.
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Analysis
by VulDB Data Team • 05/03/2024
The CVE-2023-41830 vulnerability represents a critical security flaw in the Ready For application that enables unauthorized local access to system files through improper absolute path traversal techniques. This vulnerability falls under the category of path traversal attacks where malicious actors can manipulate file system access by exploiting how the application handles absolute file paths. The issue specifically affects local applications that interact with the Ready For software, creating potential entry points for privilege escalation and data exfiltration attacks. The vulnerability stems from inadequate input validation and path resolution mechanisms within the application's file handling processes, allowing attackers to bypass normal access controls and retrieve sensitive information from unauthorized locations.
The technical implementation of this vulnerability occurs when the Ready For application fails to properly sanitize or validate absolute file paths provided by local processes or users. This weakness enables attackers to construct malicious file paths that traverse beyond the intended directories, potentially accessing system configuration files, user data, or application resources that should remain protected. The flaw operates at the file system level where the application does not properly enforce path boundaries or validate that requested file operations remain within authorized directories. This type of vulnerability commonly maps to CWE-22 - Improper Limitation of a Pathname to a Restricted Directory, which is classified as a path traversal weakness that allows attackers to access files outside the intended scope of application access.
From an operational perspective, this vulnerability poses significant risks to organizations using the Ready For application as it provides local attackers with unauthorized access to potentially sensitive information. The impact extends beyond simple data exposure to include potential privilege escalation opportunities where attackers could leverage the access to perform additional malicious activities within the system. Local access to files without proper authorization creates opportunities for information disclosure, system compromise, and potential lateral movement within networked environments. The vulnerability's local nature means that it typically requires an attacker to already have some level of system access or execution capability, but once exploited, can provide substantial access privileges that could be leveraged for broader security breaches.
Security mitigations for CVE-2023-41830 should focus on implementing robust input validation and path sanitization mechanisms within the Ready For application. Organizations should ensure that all absolute file paths are properly validated against a whitelist of allowed directories, and that the application enforces strict path boundaries to prevent traversal beyond intended locations. The implementation should follow the principle of least privilege, ensuring that applications only access files and directories necessary for their operation. Additionally, regular security audits of file handling processes and proper access control implementations should be conducted to identify and remediate similar vulnerabilities. This vulnerability aligns with ATT&CK technique T1078 - Valid Accounts, as unauthorized file access can be achieved through legitimate local accounts with sufficient privileges to execute the vulnerable application. Organizations should also implement monitoring solutions to detect unusual file access patterns that might indicate exploitation attempts of path traversal vulnerabilities.