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Archivo del Autor: Belen De Leon

Election Systems Are Even More Vulnerable Than We Thought

Black Hat and Defcon are underway in Vegas, WhatsApp flaws allow hackers to alter messages, and more of this week’s top security news.
Source: Wired

How 'Microcracks' Undermined San Francisco's New Bus Terminal

A cracked beam forced the $2.2 billion terminal’s closure after six weeks. Unraveling why required physics, metallurgy, and engineers with nerves of steel.
Source: Wired

12 Best Weekend Deals on Outdoor Gear and Indoor Tech

We dug through this weekend’s sales to find the best deals on everything from a stylish hatchet to *Spider-Man* on PS4.
Source: Wired

Corvette breaks the internet, Acura's NSX is awesome and more: Roadshow's week in review – Roadshow

Here’s what you missed for the week ending August 8, 2019.
Source: CNET

Get the Google Pixel Slate 2-in-1 tablet for an incredible $250 less on Amazon

The Google Pixel Slate is a 2-in-1 device that boasts the mobility of a tablet and the computing functionality of a laptop, wrapped in a premium package. Get one for a massive $250 (31%) off on Amazon. Pay $549 instead of its usual price of $799.
Source: Digital trends

The Acer Swift 3 budget laptop gets a big $180 in Amazon deal

Outfitted with snappy processing features, high-level specs, and a long battery life, the Acer Swift 3 is sure to meet the demands of today’s modern, on-the-go lifestyles. Get one today for 20% off on Amazon.
Source: Digital trends

Hackers Take on Darpa's $10 Million Voting Machine

At this year’s Defcon hacking conference, Darpa brought the beginnings of what it hopes will be impervious hardware.
Source: Wired

What a security researcher learned from monitoring traffic at Defcon – CNET

He spent thousands on a data-collecting monstrosity to figure out why people considered the security conference’s network dangerous.
Source: CNET

White House meets with social media giants on predicting mass shootings – CNET

It was a “productive discussion” on combating hateful and violent content online, says lobbying group the Internet Association.
Source: CNET

How safe are school records? Not very, says student security researcher

If you can’t trust your bank, government or your medical provider to protect your data, what makes you think students are any safer?

Turns out, according to one student security researcher, they’re not.

Eighteen-year-old Bill Demirkapi, a recent high school graduate in Boston, Massachusetts, spent much of his latter school years with an eye on his own student data. Through self-taught pen testing and bug hunting, Demirkapi found several vulnerabilities in a his school’s learning management system, Blackboard, and his school district’s student information system, known as Aspen and built by Follett, which centralizes student data, including performance, grades, and health records.

The former student reported the flaws and revealed his findings at the Def Con security conference on Friday.

“I’ve always been fascinated with the idea of hacking,” Demirkapi told TechCrunch prior to his talk. “I started researching but I learned by doing,” he said.

Among one of the more damaging issues Demirkapi found in Follett’s student information system was an improper access control vulnerability, which if exploited could have allowed an attacker to read and write to the central Aspen database and obtain any student’s data.

Blackboard’s Community Engagement platform had several vulnerabilities, including an information disclosure bug. A debugging misconfiguration allowed him to discover two subdomains, which spat back the credentials for Apple app provisioning accounts for dozens of school districts, as well as the database credentials for most if not every Blackboard’s Community Engagement platform, said Demirkapi.

“School data or student data should be taken as seriously as health data. The next generation should be one of our number one priorities, who looks out for those who can’t defend themselves.”
Bill Demirkapi, security researcher

Another set of vulnerabilities could have allowed an authorized user — like a student — to carry out SQL injection attacks. Demirkapi said six databases could be tricked into disclosing data by injecting SQL commands, including grades, school attendance data, punishment history, library balances, and other sensitive and private data.

Some of the SQL injection flaws were blind attacks, meaning dumping the entire database would have been more difficult but not impossible.

In all, over 5,000 schools and over five million students and teachers were impacted by the SQL injection vulnerabilities alone, he said.

Demirkapi said he was mindful to not access any student records other than his own. But he warned that any low-skilled attacker could have done considerable damage by accessing and obtaining student records, not least thanks to the simplicity of the database’s password. He wouldn’t say what it was, only that it was “worse than ‘1234’.”

But finding the vulnerabilities was only one part of the challenge. Disclosing them to the companies turned out to be just as tricky.

Demirkapi admitted that his disclosure with Follett could have been better. He found that one of the bugs gave him improper access to create his own “group resource,” such as a snippet of text, which was viewable to every user on the system.

“What does an immature 11th grader do when you hand him a very, very, loud megaphone?” he said. “Yell into it.”

And that’s exactly what he did. He sent out a message to every user, displaying each user’s login cookies on their screen. “No worries, I didn’t steal them,” the alert read.

“The school wasn’t thrilled with it,” he said. “Fortunately, I got off with a two-day suspension.”

He conceded it wasn’t one of his smartest ideas. He wanted to show his proof-of-concept but was unable to contact Follett with details of the vulnerability. He later went through his school, which set up a meeting, and disclosed the bugs to the company.

Blackboard, however, ignored Demirkapi’s responses for several months, he said. He knows because after the first month of being ignored, he included an email tracker, allowing him to see how often the email was opened — which turned out to be several times in the first few hours after sending. And yet the company still did not respond to the researcher’s bug report.

Blackboard eventually fixed the vulnerabilities, but Demirkapi said he found that the companies “weren’t really prepared to handle vulnerability reports,” despite Blackboard ostensibly having a published vulnerability disclosure process.

“It surprised me how insecure student data is,” he said. “School data or student data should be taken as seriously as health data,” he said. “The next generation should be one of our number one priorities, who looks out for those who can’t defend themselves.”

He said if a teenager had discovered serious security flaws, it was likely that more advanced attackers could do far more damage.

Heather Phillips, a spokesperson for Blackboard, said the company appreciated Demirkapi’s disclosure.

“We have addressed several issues that were brought to our attention by Mr. Demirkapi and have no indication that these vulnerabilities were exploited or that any clients’ personal information was accessed by Mr. Demirkapi or any other unauthorized party,” the statement said. “One of the lessons learned from this particular exchange is that we could improve how we communicate with security researchers who bring these issues to our attention.”

Follet spokesperson Tom Kline said the company “developed and deployed a patch to address the web vulnerability” in July 2018.

The student researcher said he was not deterred by the issues he faced with disclosure.

“I’m 100% set already on doing computer security as a career,” he said. “Just because some vendors aren’t the best examples of good responsible disclosure or have a good security program doesn’t mean they’re representative of the entire security field.”


Source: TechCrunch

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