CVE-2019-25240

Rifatron · 5brid DVR

An unauthenticated vulnerability in the Rifatron 5brid DVR animate.cgi script allows remote attackers to access live video streams and retrieve sequential snapshots without authorization.

Executive summary

An unauthenticated access vulnerability in Rifatron 5brid DVR exposes live video feeds, presenting a severe risk to physical security and data privacy.

Vulnerability

The vulnerability resides in the animate.cgi script within the Mobile Web Viewer module. Unauthenticated attackers can exploit this by specifying channel numbers to retrieve unauthorized video snapshots from the device.

Business impact

This vulnerability enables unauthorized surveillance, which represents a major breach of physical security and privacy. With a CVSS score of 9.8, the potential for unauthorized access to live video streams poses a catastrophic risk to organizations relying on these systems for facility monitoring and security.

Remediation

Immediate Action: Contact the vendor immediately to obtain the latest firmware update for the 5brid DVR and apply it to all affected units.

Proactive Monitoring: Review device access logs for unauthorized attempts to access the animate.cgi script or anomalous requests directed at the Mobile Web Viewer module.

Compensating Controls: Isolate DVR devices on a restricted, non-routable management VLAN and ensure they are not directly accessible from the public internet without a secure VPN.

Exploitation status

Public Exploit Available: Unknown

Analyst recommendation

The severity of this issue necessitates immediate remediation to prevent unauthorized visual access to monitored areas. Organizations must prioritize updating the firmware and implementing network-level isolation to mitigate the risk until a vendor-supplied patch is successfully deployed.