CVE-2005-2842 in Mini Remote Control
Summary
by MITRE
Buffer overflow in dwrcs.exe in DameWare Mini Remote Control before 4.9.0 allows remote attackers to execute arbitrary code via the username.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 12/07/2024
The vulnerability identified as CVE-2005-2842 represents a critical buffer overflow flaw in the dwrcs.exe component of DameWare Mini Remote Control software versions prior to 4.9.0. This remote code execution vulnerability specifically targets the username parameter processing within the remote control service, creating a significant security risk for organizations relying on this remote administration tool. The flaw exists in the way the application handles user input during authentication processes, particularly when processing username data.
The technical implementation of this vulnerability stems from inadequate input validation and bounds checking within the dwrcs.exe binary. When a remote attacker sends a specially crafted username string containing excessive data, the application fails to properly validate the input length before copying it into a fixed-size buffer. This classic buffer overflow condition occurs because the software does not enforce proper boundary checks, allowing an attacker to overwrite adjacent memory locations. The vulnerability falls under the CWE-121 category of stack-based buffer overflow, where the attacker can manipulate the program execution flow by overwriting return addresses and function pointers in the call stack. The attack vector is particularly dangerous as it operates over network connections, requiring no local access or authentication to exploit.
The operational impact of this vulnerability extends beyond simple remote code execution, as it provides attackers with complete system compromise capabilities. Successful exploitation allows unauthorized individuals to execute malicious code with the privileges of the affected service account, potentially leading to full system takeover, data exfiltration, or establishment of persistent backdoors. Organizations using vulnerable versions of DameWare Mini Remote Control face significant risk of unauthorized access to their remote administration infrastructure, particularly in environments where this software is deployed for remote system management and support operations. The vulnerability affects systems where the service is accessible over the network, making it a prime target for automated scanning and exploitation attempts.
Mitigation strategies for this vulnerability require immediate software patching to version 4.9.0 or later, which addresses the buffer overflow through proper input validation and bounds checking mechanisms. Network segmentation and access control measures should be implemented to limit exposure of the affected service to trusted networks only, reducing the attack surface. Additionally, organizations should consider implementing intrusion detection systems to monitor for exploitation attempts and establish network monitoring protocols for detecting anomalous authentication patterns. The vulnerability demonstrates the importance of input validation practices and proper memory management in security-critical applications, aligning with ATT&CK technique T1203 for exploitation of remote services and T1059 for command execution. Security teams should also review their remote administration practices and implement principle of least privilege controls to minimize potential impact if exploitation occurs, while maintaining proper logging and monitoring of remote access activities to detect unauthorized access attempts.