![]() What are the risks and what can be done to mitigate them?Įxposing printer devices with anonymous, publicly queryable vendor names, models and firmware versions obviously makes it much easier for attackers to locate and target populations of devices vulnerable to specific vulnerabilities and potentially allow them to establish a foothold in your organization’s network. HP Business Inkjet 2200 – CUPS+Gutenprint v5.2.10Įpson Artisan 50 – CUPS+Gutenprint v5.2.10 Out of the roughly 71,000 exposed services, a large percentage returned additional printer information attributes, such as printer names, locations, models, firmware versions, organizational units and even printer wifi SSIDs.įor example, the Top 20 printer make-and-model attribute values returned for the 28th of December 2020 was as follows ( 20,994 entries in total returned): 3006īrother DCP-1200 – CUPS + Gutenprint v5.2.10 What printer models are most exposed worldwide? Exposed IPv4 IPP services by country (28th December 2020)īreakdown of exposed IPP devices in EU(+UK) (28th December 2020) Obviously these counts only represent devices that are not firewalled and allow direct querying over the IPv4 Internet.Īs of the 28th December 2020, the IP-geolocated country breakdown of the above reachable IPP responses is as follows: Top countries with exposed IPP services – out of 71,432 services on that day (28th of December 2020)Īs with our first scans, South Korea, the United States and Taiwan have the most exposed printers, with France being the top EU country. About half a year later, as of the 28th December, we now uncover around 71 000 open printers per day. Our IPP scans originally uncovered around 80 000 open devices (printers) per day. We started regular scanning of all 4 billion routable IPv4 addresses on the 5th of June 2020 and added Open IPP reporting as part of our daily public benefit remediation network reports on the 8th of June 2020. We scan by sending an IPP Get-Printer-Attributes request to TCP port 631. Network connected printers have been with us since the Internet was born (and long before the IoT term was coined!), but their security aspects are often still misunderstood or completely ignored by many end users. This could allow for a potential range of different types of attacks, from information disclosure and service disruption/tampering, to, in some cases, remote command execution. The IPP scan is aimed at uncovering printing devices which use IPP (a HTTP POST based protocol) that have been connected to the Internet without adequate access controls or authorization mechanisms in place. This blog entry aims at updating the original blog entry announcing the scans which are being conducted by project consortium member The Shadowserver Foundation, by providing the latest scan results plus an EU breakdown of hosts. One of the new scans enabled as part of the VARIoT project is the IPP (Internet Printing Protocol) scan. IoT Device Scanning Large-scale IoT Device Mapping.Exposed IPP-enabled printers on the Internet
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