CVE-2007-4929 in 207w Network Camera
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in the AXIS 207W camera allow remote attackers to inject arbitrary web script or HTML via the camNo parameter to incl/image_incl.shtml, and other unspecified vectors.
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Analysis
by VulDB Data Team • 10/29/2017
The CVE-2007-4929 vulnerability represents a critical cross-site scripting flaw discovered in the AXIS 207W network camera, a widely deployed security device in surveillance environments. This vulnerability stems from insufficient input validation and sanitization mechanisms within the camera's web interface, specifically affecting the handling of the camNo parameter in the incl/image_incl.shtml endpoint. The flaw allows remote attackers to inject malicious HTML or JavaScript code that executes within the context of other users' browsers who access the compromised camera interface. This particular vulnerability is classified under CWE-79 as a failure to sanitize user input, making it susceptible to XSS attacks that can compromise the confidentiality and integrity of the surveillance system.
The technical exploitation of this vulnerability occurs through manipulation of the camNo parameter, which is processed by the camera's web server without proper sanitization of user-supplied data. When a victim accesses the vulnerable camera interface, the malicious script embedded in the camNo parameter executes in their browser context, potentially enabling attackers to steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The unspecified vectors mentioned in the description suggest that this vulnerability may extend beyond the single camNo parameter, indicating a broader lack of input validation across multiple endpoints within the camera's web interface. This vulnerability aligns with ATT&CK technique T1059.007 for script injection and T1566 for credential access through social engineering.
The operational impact of this vulnerability extends beyond simple web interface compromise, as network cameras serve as critical components in security infrastructure and often contain sensitive operational data. An attacker who successfully exploits this vulnerability can potentially gain unauthorized access to surveillance footage, camera configuration settings, and user credentials stored within the device's memory. The compromised camera can also be used as a pivot point for further network exploration, as attackers may leverage the camera's network connectivity to target other systems within the same network segment. This vulnerability particularly affects enterprise and industrial environments where camera systems are integrated into larger security ecosystems, potentially allowing attackers to disrupt security operations or gain insights into physical security measures. The long-term implications include potential data breaches, unauthorized surveillance access, and compromised network integrity.
Mitigation strategies for CVE-2007-4929 should prioritize immediate firmware updates from the vendor, as AXIS has likely released patches addressing this vulnerability. Network segmentation and access controls should be implemented to limit exposure of these devices to untrusted networks, while web application firewalls can provide additional protection against XSS attacks. Regular security assessments of network camera deployments are essential to identify similar vulnerabilities across other devices in the ecosystem. Organizations should also implement proper input validation and output encoding practices in any custom web applications that interface with these devices. The vulnerability highlights the importance of secure coding practices in embedded systems and demonstrates how even seemingly simple input parameters can create significant security risks when proper validation mechanisms are absent. Security monitoring should include detection of suspicious parameter values and anomalous access patterns that may indicate exploitation attempts against similar vulnerabilities in networked security devices.