CVE-2018-6298 in Smartcam
Summary
by MITRE
Remote code execution in Hanwha Techwin Smartcams
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Analysis
by VulDB Data Team • 05/27/2020
The vulnerability identified as CVE-2018-6298 represents a critical remote code execution flaw affecting Hanwha Techwin Smartcams, which are widely deployed security cameras used in enterprise and industrial environments. This vulnerability resides within the camera's web interface and authentication mechanisms, creating a significant attack surface that adversaries can exploit to gain unauthorized control over affected devices. The flaw specifically impacts the camera's handling of authentication tokens and session management, allowing attackers to bypass authentication entirely and execute arbitrary code on the affected systems.
Technical analysis reveals that the vulnerability stems from improper input validation and insufficient session management within the web server component of the Smartcam firmware. Attackers can exploit this weakness by crafting malicious HTTP requests that manipulate authentication parameters and session identifiers, effectively gaining administrative privileges without legitimate credentials. The vulnerability is classified under CWE-287, which addresses improper authentication issues, and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in remote services. The flaw exists due to inadequate sanitization of user-supplied input and failure to implement proper access controls, creating a path for privilege escalation that ultimately leads to complete system compromise.
The operational impact of CVE-2018-6298 extends beyond simple unauthorized access, as compromised cameras can serve as entry points for broader network infiltration and lateral movement within corporate environments. Once an attacker gains control of a Smartcam, they can potentially use it as a pivot point to access other network resources, monitor network traffic, or deploy additional malware. The remote nature of the vulnerability means that attackers can exploit it from anywhere on the internet without requiring physical access to the device, making it particularly dangerous for organizations with distributed camera networks. Security professionals have noted that many organizations deploy these cameras in perimeter locations or critical infrastructure areas, making them attractive targets for nation-state actors or organized cybercriminal groups seeking persistent access to sensitive environments.
Mitigation strategies for CVE-2018-6298 should include immediate firmware updates from Hanwha Techwin to address the authentication bypass and code execution vulnerabilities. Organizations must also implement network segmentation to isolate camera networks from critical business systems and deploy intrusion detection systems to monitor for suspicious traffic patterns. Additional security measures include disabling unnecessary web services, implementing strong access controls, and regularly auditing camera configurations to ensure proper authentication mechanisms remain active. Security teams should also consider deploying network access controls that restrict communication between cameras and external networks, effectively limiting the attack surface and reducing the likelihood of successful exploitation attempts. The vulnerability demonstrates the critical importance of maintaining up-to-date security firmware and implementing robust network monitoring practices to detect and respond to exploitation attempts in real-time.