Executive brief
GeoWebPlayer is a software component used by GeoVision video management systems to enable camera viewing through web browsers. A security flaw in how this component handles connection requests could allow an attacker to take control of the system by tricking a user into visiting a malicious website. This could lead to unauthorized access to video feeds, data theft, or a complete compromise of the surveillance workstation.
Technical details
Multiple stack-based buffer overflow vulnerabilities exist in the GeoWebPlayer WebSocket server's 'connectionInfo' handler. The 'handle_connection_info' function utilizes manual byte-by-byte loops to copy attacker-controlled JSON strings (including username, password, key, and IP fields) into fixed-size buffers without performing length validation. An attacker can exploit this by hosting a malicious webpage that sends specially crafted WebSocket messages to the local GeoWebPlayer service (typically listening on localhost). Successful exploitation can lead to arbitrary code execution in the context of the plugin. The vendor has released version 1.1.3.0 to address these issues.
Affected products
- GeoVision Inc. GeoWebPlayer 1.1.1.0
Timeline
- 2026-03-25: other: Initial vendor contact
- 2026-04-21: disclosed: Vendor disclosure
- 2026-04-28: patched: Vendor patch release (v1.1.3.0)
- 2026-07-01: advisory: Public release by Cisco Talos