CVE-2005-3114 in NateOn Messenger
Summary
by MITRE
Buffer overflow in the ActiveX control for NateOn Messenger (NateonDownloadManager.ocx) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long third argument to the GotNate.Excute method.
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Analysis
by VulDB Data Team • 03/26/2019
The vulnerability identified as CVE-2005-3114 represents a critical buffer overflow flaw within the NateOn Messenger ActiveX control component known as NateonDownloadManager.ocx. This particular vulnerability exists within the implementation of the GotNate.Excute method where the application fails to properly validate input parameters before processing them. The flaw specifically manifests when the third argument passed to this method exceeds the allocated buffer size, creating a condition where memory corruption can occur. The ActiveX control is designed to facilitate file downloads and system operations within the NateOn Messenger application, making it a potential attack vector for malicious actors seeking to compromise systems running vulnerable versions of this software.
From a technical perspective, this buffer overflow vulnerability operates through improper bounds checking mechanisms within the NateonDownloadManager.ocx ActiveX control. The vulnerability falls under the CWE-121 category of stack-based buffer overflow, where insufficient validation of input parameters allows attackers to overwrite adjacent memory locations. When a remote attacker crafts a malicious third argument that exceeds the predetermined buffer limits, the application's memory management routines become compromised, leading to unpredictable behavior. The overflow can potentially overwrite critical memory segments including return addresses and function pointers, which may result in either application crash or more dangerous code execution scenarios depending on the specific memory corruption patterns.
The operational impact of this vulnerability extends beyond simple denial of service conditions to encompass potential remote code execution capabilities that align with ATT&CK technique T1190 for Exploit Public-Facing Application. Systems running vulnerable versions of NateOn Messenger become susceptible to exploitation through web-based attacks where malicious websites or email attachments could trigger the vulnerable ActiveX control. The attack surface is particularly concerning given that ActiveX controls are often automatically executed in web browsers without explicit user consent, making exploitation relatively straightforward for attackers who can host malicious content on compromised websites. Organizations with legacy systems running this vulnerable software face significant risk of unauthorized access and system compromise, particularly in environments where users have administrative privileges or where the software is deployed across multiple endpoints.
Mitigation strategies for CVE-2005-3114 should prioritize immediate software updates and patches provided by the vendor, though given the age of this vulnerability, such patches may no longer be available from the original software provider. Security administrators should implement browser security configurations that disable ActiveX controls or restrict their execution to trusted sites only, aligning with defense-in-depth principles outlined in NIST SP 800-53 security controls. Network-based solutions such as web application firewalls and intrusion prevention systems can be configured to detect and block traffic patterns associated with exploitation attempts targeting this specific vulnerability. Additionally, endpoint security measures including application whitelisting and privilege separation can help limit the potential damage from successful exploitation attempts. Organizations should consider decommissioning legacy NateOn Messenger installations and migrating to modern communication platforms that do not rely on deprecated ActiveX technologies, which inherently reduces the attack surface and eliminates exposure to known vulnerabilities such as this buffer overflow condition.