Dark Reading is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them.Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Vulnerabilities / Threats

12/3/2008
03:20 PM
Connect Directly
Google+
Twitter
RSS
E-Mail
50%
50%

Popular Home DSL Routers At Risk Of CSRF Attack

Researcher demonstrates ease of hacking home routers with insidious cross-site request forgery (CSRF) attack

A deadly attack typically associated with Websites can also be used on LAN/WAN devices, such as DSL routers, according to a researcher who this week demonstrated cross-site request forgery (CSRF) vulnerabilities in devices used for AT&T's DSL service.

Nathan Hamiel, a consultant and founder of security think-tank Hexagon Security Group, discovered a CSRF vulnerability in the Motorola/Netopia 2210 DSL modem that, among other things, could let an attacker insert malware onto the victim's computer or recruit it as a bot for a botnet. "CSRF is one of the only vulnerabilities that can be either completely innocuous or completely devastating," Hamiel says.

The vulnerability isn't isolated to Motorola/Netopia DSL modems. It affects most DSL modems because they don't require authentication to access their configuration menu, he says. "I can take over Motorola/Netopia DSL modems with one request, and I can do it from MySpace and other social networks," Hamiel says. The attack uses HTTP POST and GET commands on the modems, he says.

CSRF vulnerabilities are nothing new; they are pervasive on many Websites and in many devices. "CSRF, in general, is a very old issue," says Hamiel, who blogged about the hack this week. "Most of the vulns found today are old. That's the point: Nobody seems to learn lessons anymore."

CSRF flaws in home routers have been exposed before, such as the Router Hacking Challenge by hacker PDP, notes Robert ("Rsnake") Hansen, principal with SecTheory. "Using CSRF to exploit routers, while not new, is an ever-present attack that few vendors appear to be protecting against sufficiently," he says.

A CSRF attack on a DSL router could be launched from a social networking site, Hamiel says, using an image tag on a MySpace page, for example. "Everyone who viewed my MySpace page with AT&T DSL and the Motorola/Netopia DSL modem would be owned," he says.

Home users aren't the only ones at risk of a CSRF attack on a DSL router, he says. Enterprises, too, could be hacked this way. "Let's say we have Wells Fargo corporate...They have thousands of Wells Fargo home mortgage branches with five or more people working at them. They typically go with an ISP for Internet service, maybe they use a VPN connection back to the corporate office, maybe they just have some routing enabled," he says. "They may have a DSL because of their size. If one of their machines gets compromised, now an attacker has a box on the Wells Fargo network."

What can users do? "This could be mitigated if the user just enters a password for the device, which, nobody does," Hamiel says.

Trouble is, not many home users even try to log into their DSL modems. "I know people who have never even logged in to their DSL modem. The tech came out and hooked it. They were surfing the Web, and they were happy," he says. "It's not like AT&T can send a tech out to everyone's house to change the thing and instruct the user on it."

Have a comment on this story? Please click "Discuss" below. If you'd like to contact Dark Reading's editors directly, send us a message

Kelly Jackson Higgins is the Executive Editor of Dark Reading. She is an award-winning veteran technology and business journalist with more than two decades of experience in reporting and editing for various publications, including Network Computing, Secure Enterprise ... View Full Bio

 

Recommended Reading:

Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
COVID-19: Latest Security News & Commentary
Dark Reading Staff 7/2/2020
Ripple20 Threatens Increasingly Connected Medical Devices
Kelly Sheridan, Staff Editor, Dark Reading,  6/30/2020
DDoS Attacks Jump 542% from Q4 2019 to Q1 2020
Dark Reading Staff 6/30/2020
Register for Dark Reading Newsletters
White Papers
Video
Cartoon
Current Issue
How Cybersecurity Incident Response Programs Work (and Why Some Don't)
This Tech Digest takes a look at the vital role cybersecurity incident response (IR) plays in managing cyber-risk within organizations. Download the Tech Digest today to find out how well-planned IR programs can detect intrusions, contain breaches, and help an organization restore normal operations.
Flash Poll
The Threat from the Internetand What Your Organization Can Do About It
The Threat from the Internetand What Your Organization Can Do About It
This report describes some of the latest attacks and threats emanating from the Internet, as well as advice and tips on how your organization can mitigate those threats before they affect your business. Download it today!
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2020-9498
PUBLISHED: 2020-07-02
Apache Guacamole 1.1.0 and older may mishandle pointers involved inprocessing data received via RDP static virtual channels. If a userconnects to a malicious or compromised RDP server, a series ofspecially-crafted PDUs could result in memory corruption, possiblyallowing arbitrary code to be executed...
CVE-2020-3282
PUBLISHED: 2020-07-02
A vulnerability in the web-based management interface of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection could allow an unauthenticated, remote attack...
CVE-2020-5909
PUBLISHED: 2020-07-02
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, when users run the command displayed in NGINX Controller user interface (UI) to fetch the agent installer, the server TLS certificate is not verified.
CVE-2020-5910
PUBLISHED: 2020-07-02
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, the Neural Autonomic Transport System (NATS) messaging services in use by the NGINX Controller do not require any form of authentication, so any successful connection would be authorized.
CVE-2020-5911
PUBLISHED: 2020-07-02
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, the NGINX Controller installer starts the download of Kubernetes packages from an HTTP URL On Debian/Ubuntu system.