CVE-2014-1902 in Camera
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Y-Cam camera models SD range YCB003, YCK003, and YCW003; S range YCB004, YCK004, YCW004; EyeBall YCEB03; Bullet VGA YCBL03 and YCBLB3; Bullet HD 720 YCBLHD5; Y-cam Classic Range YCB002, YCK002, and YCW003; and Y-cam Original Range YCB001, YCW001, running firmware 4.30 and earlier, allow remote authenticated users to inject arbitrary web script or HTML via the (1) SYSCONTACT parameter to form/identityApply, as triggered using en/identity.asp; (2) PASSWD parameter to form/accAdd, as triggered using en/account/accedit.asp; (3) NTPSERVER parameter to form/clockApply, as triggered using en/clock.asp; (4) SERVER parameter to form/smtpclientApply, as triggered using en/smtpclient.asp; (5) SERVER parameter to form/ftpApply, as triggered using en/ftp.asp; or (6) SERVER parameter to form/httpEventApply, as triggered using en/httpevent.asp.
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Analysis
by VulDB Data Team • 03/29/2019
The vulnerability identified as CVE-2014-1902 represents a critical cross-site scripting flaw affecting multiple Y-Cam camera models across various product ranges including SD, S, Classic, and Original series. These devices operate with firmware versions 4.30 and earlier, making them susceptible to remote authenticated attackers who can exploit multiple injection points within the web interface. The vulnerability stems from insufficient input validation and sanitization mechanisms within the camera's web-based management system, specifically targeting parameters that handle user-supplied data for system configuration settings.
The technical exploitation occurs through several distinct attack vectors within the camera's web interface. The primary attack surface includes the SYSCONTACT parameter in the identityApply form, which allows attackers to inject malicious scripts during system contact information updates. Additionally, the PASSWD parameter in the accAdd form enables injection attacks when modifying account passwords, while multiple SERVER parameters across different configuration forms including clockApply, smtpclientApply, ftpApply, and httpEventApply provide further attack vectors. These parameters control network configuration settings such as NTP servers, SMTP clients, FTP servers, and HTTP event servers, making them particularly valuable targets for attackers seeking persistent access or data exfiltration capabilities.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to execute malicious code within the context of authenticated users' browsers. This creates potential for session hijacking, credential theft, and unauthorized access to camera feeds and system configurations. The remote authentication requirement means that attackers do not need physical access to the devices, but must first obtain valid user credentials to exploit the vulnerability. This aligns with ATT&CK technique T1078.004 for valid accounts and T1566.001 for credential harvesting, while the XSS execution maps to T1566.002 for malicious web content delivery. The vulnerability affects the camera's web interface security model, potentially allowing attackers to manipulate system settings, view sensitive configuration data, or redirect users to malicious sites.
Security implications are particularly concerning given the nature of IP camera deployments in both residential and commercial environments where these devices often handle sensitive surveillance data. The vulnerability's presence in firmware versions 4.30 and earlier indicates a widespread issue affecting numerous devices, suggesting that attackers could potentially compromise large numbers of cameras simultaneously. The attack vectors demonstrate poor input validation practices that violate CWE-79, which specifically addresses cross-site scripting vulnerabilities, and CWE-20, covering input validation issues. Organizations deploying these cameras should immediately implement firmware updates to address the vulnerability, while also considering network segmentation and access controls to limit potential exploitation. The vulnerability highlights the importance of secure web application development practices and regular security assessments of embedded devices, particularly those handling sensitive data in networked environments.