CVE-2018-7827 in Sarix Enhanced Camera
Summary
by MITRE
A Cross-Site Scripting (XSS) vulnerability exists in the 1st Gen. Pelco Sarix Enhanced Camera and Spectra Enhanced PTZ Camera which a remote attacker can execute arbitrary HTML and script code in a user?s browser session.
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Analysis
by VulDB Data Team • 09/23/2023
The CVE-2018-7827 vulnerability represents a critical cross-site scripting flaw affecting Pelco Sarix Enhanced Camera models and Spectra Enhanced PTZ Camera devices. This vulnerability resides within the web interface of these security cameras, creating an attack vector that allows remote exploitation without requiring authentication. The flaw stems from inadequate input validation and output encoding mechanisms within the camera's web-based management interface, specifically in how the device processes and renders user-supplied data in HTTP responses.
The technical implementation of this vulnerability manifests when an attacker crafts malicious input through web interface parameters or form fields that are subsequently reflected back to users without proper sanitization. When a victim visits a maliciously crafted URL or interacts with the vulnerable camera interface, the embedded script code executes within the victim's browser context, potentially stealing session cookies, performing unauthorized actions, or redirecting users to malicious sites. This type of vulnerability directly maps to CWE-79 - Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security.
The operational impact of CVE-2018-7827 extends beyond simple script execution, as it compromises the integrity of the security camera ecosystem. An attacker could leverage this vulnerability to gain unauthorized access to camera feeds, modify camera settings, or establish persistent access points within network environments where these cameras are deployed. The vulnerability particularly affects surveillance infrastructure in enterprise and industrial settings, where these cameras are often deployed without robust network segmentation or additional security controls. The remote nature of the attack means that threat actors can exploit this vulnerability from outside the network perimeter, making it especially dangerous for organizations relying on these devices for physical security monitoring.
Mitigation strategies for CVE-2018-7827 should include immediate firmware updates from Pelco, which would address the input validation deficiencies and implement proper output encoding mechanisms. Network segmentation should be enforced to limit direct internet exposure of these devices, with proper firewall rules restricting access to only authorized personnel. Additionally, organizations should implement web application firewalls and content security policies to detect and prevent malicious script injection attempts. The vulnerability demonstrates the importance of secure coding practices and input validation as outlined in the OWASP Top Ten and ATT&CK framework's T1212 - Exploitation for Credential Access, emphasizing the need for robust defense-in-depth strategies. Organizations should also consider implementing network monitoring to detect unusual traffic patterns that might indicate exploitation attempts against these vulnerable devices.