CVE-2012-3022 in TrendLink
Summary
by MITRE
The SaveToFile method in a certain ActiveX control in TrendDisplay.dll in Canary Labs TrendLink 9.0.2.27051 and earlier does not properly restrict the creation of files, which allows remote attackers to download an arbitrary program onto a client machine, and execute this program, via a crafted web site.
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Analysis
by VulDB Data Team • 04/28/2017
The vulnerability identified as CVE-2012-3022 represents a critical security flaw in the TrendLink ActiveX control developed by Canary Labs. This vulnerability specifically affects version 9.0.2.27051 and earlier implementations of the TrendDisplay.dll component, which is part of the broader TrendLink software suite designed for network monitoring and analysis. The issue stems from improper input validation within the SaveToFile method of the ActiveX control, creating a pathway for malicious actors to exploit the system through web-based attacks.
The technical flaw manifests in the SaveToFile method's failure to properly restrict file creation operations, allowing attackers to manipulate the file path and destination parameters. When a malicious website loads the vulnerable ActiveX control, it can trigger the SaveToFile method with crafted parameters that bypass normal file system restrictions. This enables remote attackers to download arbitrary executable files directly to the victim's machine and subsequently execute them without proper user consent or security verification. The vulnerability essentially transforms the ActiveX control from a legitimate system component into a potential attack vector for arbitrary code execution.
This vulnerability has significant operational impact as it allows for privilege escalation and system compromise through social engineering attacks. The attack requires minimal user interaction beyond visiting a malicious website, making it particularly dangerous in phishing campaigns or drive-by download scenarios. The ability to execute arbitrary programs on victim machines creates opportunities for malware installation, data exfiltration, and further network infiltration. From a cybersecurity perspective, this vulnerability demonstrates the inherent risks associated with ActiveX controls in web environments, where browser security boundaries are effectively bypassed.
The vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. It also relates to CWE-74, which covers improper neutralization of special elements in output used for web pages, and CWE-122, which addresses heap-based buffer overflow conditions. From an ATT&CK framework perspective, this vulnerability maps to T1059.007 for command and scripting interpreter and T1068 for exploit for privilege escalation, as it enables attackers to execute malicious code with the privileges of the user running the vulnerable application.
Mitigation strategies should include immediate patching of the TrendLink software to version 9.0.2.27052 or later, which contains the necessary security fixes. Organizations should also implement ActiveX control restrictions through group policy settings, disable ActiveX controls in web browsers, and deploy network-based intrusion detection systems to monitor for exploitation attempts. Browser security configurations should be adjusted to prevent automatic execution of ActiveX controls, and users should be educated about the risks of visiting untrusted websites. Additionally, network segmentation and application whitelisting can provide defense-in-depth measures to prevent exploitation even if the vulnerability is not immediately patched.