CVE-2022-26041 in RCCMD
Summary
by MITRE • 06/13/2022
Directory traversal vulnerability in RCCMD 4.26 and earlier allows a remote authenticated attacker with an administrative privilege to read or alter an arbitrary file on the server via unspecified vectors.
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Analysis
by VulDB Data Team • 06/13/2022
The directory traversal vulnerability identified as CVE-2022-26041 affects RCCMD version 4.26 and earlier, representing a critical security flaw that enables remote authenticated attackers with administrative privileges to execute unauthorized file operations on affected servers. This vulnerability stems from inadequate input validation mechanisms within the application's file handling processes, allowing malicious actors to manipulate file paths and access restricted system resources. The flaw specifically manifests when the application processes user-supplied input without proper sanitization, creating opportunities for attackers to navigate beyond intended directories and access arbitrary files on the server filesystem. The vulnerability's impact is significantly amplified by the requirement for administrative privileges, as this reduces the attack surface while increasing the potential damage that can be inflicted.
The technical implementation of this directory traversal vulnerability aligns with CWE-22, which categorizes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. Attackers can exploit this weakness by crafting malicious requests that include directory traversal sequences such as "../" or "..\\", enabling them to access files outside the intended directory structure. In the context of RCCMD 4.26 and earlier versions, the vulnerability likely exists in file upload, download, or configuration handling functions where user input directly influences file system operations. The authenticated nature of the attack means that an attacker must first obtain administrative credentials, but once achieved, they can leverage this vulnerability to read sensitive configuration files, access database contents, modify critical application files, or potentially escalate privileges further within the system environment.
The operational impact of CVE-2022-26041 extends beyond simple unauthorized file access, as it provides attackers with the capability to alter system files and potentially compromise the integrity of the entire application environment. This vulnerability can enable attackers to modify application logic, inject malicious code into system files, or manipulate configuration parameters that control application behavior and security settings. The implications are particularly severe in enterprise environments where RCCMD might be used for critical infrastructure management, as unauthorized access to system files could lead to complete system compromise, data exfiltration, or service disruption. Organizations utilizing affected versions of RCCMD face significant risk of unauthorized data access and potential system infiltration, especially when administrative accounts are compromised through credential theft or other attack vectors.
Mitigation strategies for CVE-2022-26041 should prioritize immediate remediation through the installation of available patches or updates from the vendor, as this represents the most effective defense against the vulnerability. Organizations should implement robust input validation mechanisms that sanitize all user-supplied data before processing, particularly when handling file system operations. Network segmentation and access control measures can help limit the potential impact of successful exploitation by restricting administrative access to only necessary personnel and systems. Additionally, implementing proper logging and monitoring of file system operations can help detect suspicious activities that may indicate exploitation attempts. The vulnerability's classification under ATT&CK technique T1059.007 for command and script injection highlights the importance of defensive measures that focus on preventing unauthorized file manipulation and maintaining the integrity of system files. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other application components and ensure comprehensive protection against directory traversal attacks.