CVE-2010-5193 in Image Viewer Cp Gold Sdk
Summary
by MITRE
Stack-based buffer overflow in the TIFMergeMultiFiles function in the SCRIBBLE.ScribbleCtrl.1 ActiveX control (ImageViewer2.ocx) in Viscom Image Viewer CP Pro 8.0 and Gold 6.0 allows remote attackers to execute arbitrary code via a long strDelimit parameter.
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Analysis
by VulDB Data Team • 01/28/2018
The vulnerability identified as CVE-2010-5193 represents a critical stack-based buffer overflow flaw within the Viscom Image Viewer CP Pro 8.0 and Gold 6.0 software suite. This vulnerability specifically affects the SCRIBBLE.ScribbleCtrl.1 ActiveX control, more precisely within the TIFMergeMultiFiles function located in the ImageViewer2.ocx component. The flaw manifests when processing a specially crafted strDelimit parameter, creating an exploitable condition that enables remote code execution. The vulnerability operates through the manipulation of ActiveX controls, which are commonly used in web applications to provide rich multimedia functionality within internet browsers. This particular implementation fails to properly validate the length of input parameters, allowing attackers to overflow the allocated stack buffer and potentially overwrite adjacent memory locations with malicious code.
The technical implementation of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to write beyond the allocated buffer space. The TIFMergeMultiFiles function in the ImageViewer2.ocx control does not perform adequate input validation on the strDelimit parameter, creating a scenario where an attacker can provide an excessively long string that exceeds the predetermined buffer size. This buffer overflow condition can be exploited through web-based attack vectors, as ActiveX controls are typically invoked within browser environments. The vulnerability exists because the software fails to implement proper stack protection mechanisms or input length validation, allowing the attacker to manipulate the program flow by overwriting return addresses and control data on the stack.
The operational impact of CVE-2010-5193 extends beyond simple code execution to encompass potential complete system compromise when exploited successfully. Remote attackers can leverage this vulnerability to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise or persistent access. The attack surface is particularly concerning given that ActiveX controls are commonly deployed in enterprise environments where they may be automatically downloaded and executed without user intervention. According to ATT&CK framework, this vulnerability maps to T1190 - Exploit Public-Facing Application, as it targets a publicly accessible ActiveX control component. The vulnerability also relates to T1059 - Command and Scripting Interpreter, since successful exploitation would likely involve execution of malicious commands through the compromised control. The exploitation requires minimal user interaction beyond visiting a malicious webpage, making it particularly dangerous in phishing campaigns or drive-by download scenarios.
Mitigation strategies for CVE-2010-5193 should focus on immediate software updates and security configuration adjustments. Organizations should prioritize patching the affected Viscom Image Viewer CP Pro 8.0 and Gold 6.0 versions to address the buffer overflow vulnerability. The recommended approach includes disabling ActiveX controls in web browsers or implementing strict security policies that prevent automatic execution of ActiveX components. Network administrators should consider implementing application whitelisting policies that restrict execution of known vulnerable ActiveX controls. Additionally, browser security settings should be configured to require user interaction before executing potentially dangerous ActiveX controls. Security monitoring should include detection of suspicious ActiveX control usage patterns and implementation of intrusion detection systems capable of identifying exploitation attempts. The vulnerability also underscores the importance of proper input validation and bounds checking in software development practices, particularly for components that handle user-supplied data in stack-based memory environments. Organizations should conduct comprehensive vulnerability assessments to identify similar buffer overflow conditions in other ActiveX controls and third-party components within their infrastructure.