CVE-2018-25283 in iSmartViewPro
Summary
by MITRE • 04/27/2026
iSmartViewPro 1.5 contains a structured exception handling (SEH) buffer overflow vulnerability in the 'Save Path for Snapshot and Record file' field that allows local attackers to execute arbitrary code. Attackers can input a crafted payload exceeding 260 bytes through the System Setup interface to overwrite SEH records and execute shellcode with application privileges.
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Analysis
by VulDB Data Team • 05/08/2026
The iSmartViewPro 1.5 software presents a critical structured exception handling buffer overflow vulnerability that stems from inadequate input validation within the system setup interface. This vulnerability specifically affects the 'Save Path for Snapshot and Record file' field where the application fails to properly bounds-check user-supplied data before processing. The flaw manifests when attackers provide a malicious payload exceeding 260 bytes, which triggers a classic buffer overflow condition that directly impacts the structured exception handling mechanism. The vulnerability resides in the application's exception handling architecture where the SEH chain is manipulated through the overflow to redirect execution flow. This represents a CWE-121 buffer overflow condition classified as a stack-based buffer overflow that occurs when a program writes data beyond the allocated buffer boundaries, specifically targeting the structured exception handler records. The attack vector requires local system access and leverages the application's inherent trust in user input without proper sanitization.
The operational impact of this vulnerability extends beyond simple code execution as it provides attackers with the ability to run arbitrary code with the privileges of the running application process. Since the application operates with elevated permissions during system setup operations, successful exploitation grants attackers full control over the iSmartViewPro application environment. The vulnerability's exploitation path involves crafting a malicious input string that precisely overflows the buffer and overwrites the SEH record structure, allowing attackers to redirect program execution to their injected shellcode. This creates a persistent threat vector that can be leveraged for privilege escalation, data exfiltration, or further system compromise. The vulnerability affects the application's integrity and availability, potentially allowing attackers to corrupt system configuration files or disable critical security features. From an operational security standpoint, this vulnerability undermines the principle of least privilege and exposes the system to unauthorized modifications that could persist beyond the initial attack window.
Mitigation strategies for this vulnerability must address both the immediate exploitation risk and the underlying architectural flaw in the application's input handling. System administrators should immediately apply vendor patches if available, as the vulnerability is well-documented and likely has a published fix. In the interim, input validation controls should be implemented at the application level to enforce strict bounds checking on all user-supplied data, particularly within the system setup interface. Network segmentation and privilege separation can help limit the potential impact of exploitation by ensuring that even if an attacker successfully exploits the vulnerability, they cannot easily escalate privileges or access other system resources. The implementation of stack canaries, address space layout randomization, and data execution prevention mechanisms would significantly reduce the exploitability of this vulnerability. Security monitoring should be enhanced to detect unusual file system activity in the application's configuration directories, as attackers may attempt to create malicious configuration files or modify existing ones. This vulnerability aligns with attack techniques described in the MITRE ATT&CK framework under the 'Exploitation for Privilege Escalation' and 'Execution' phases, emphasizing the need for comprehensive endpoint protection and application hardening measures.