UPnP Internet Gateway Device (IGD) Port Mapping Manipulation

Medium Nessus Plugin ID 35707

Synopsis

It was possible to add port redirections to the remote router.

Description

According to its UPnP data, the remote device is a NAT router that supports the Internet Gateway Device (IGD) Standardized Device Control Protocol. Nessus was able to add 'port mappings' that redirect ports from the device's external interface to the scanner address.

An unauthenticated, remote attacker can exploit this issue (e.g., via JavaScript or a malicious Flash animation) to open holes in the device's firewall. An unauthenticated, adjacent attacker has unrestricted access to this interface.

Solution

Disable IGD or restrict access to trusted networks.

See Also

https://github.com/filetofirewall/fof

https://www.gnucitizen.org/blog/flash-upnp-attack-faq/

https://en.wikipedia.org/wiki/Internet_Gateway_Device_Protocol

Plugin Details

Severity: Medium

ID: 35707

File Name: upnp_add_port_mapping.nasl

Version: 1.10

Type: remote

Family: Misc.

Published: 2009/02/19

Updated: 2019/03/06

Dependencies: 35712

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5.8

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0

Base Score: 6.3

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Vulnerability Information

Required KB Items: upnp/www

Exploited by Nessus: true

Vulnerability Publication Date: 2008/01/14

Reference Information

CERT: 361684