Hack Notice

Hack Notice: How the Pwnedlist Got Pwned

How the Pwnedlist Got Pwned

Source
https://krebsonsecurity.com/2016/05/how-the-pwnedlist-got-pwned/
Description
last week, I learned about a vulnerability that exposed all 866 million account credentials harvested by pwnedlist.com, a service designed to help companies running public watchword breaches that may create security problems for their users. The vulnerability has since been fixed, but this simple certificate flaw may have inadvertently exacerbated countless breaches by preserving the data lost in them and then providing free access to one of the Internets largest collections of compromised credentials. PwndlistPwnedlist is pass by Scottsdale, Ariz. based InfoArmor, and is marketed as a monument of usernames and passwords that have been publicly leaked online for any period of time at Pastebin, online schmooze channels and other free data wasteyard sites. The service until quite recently was loose to all comers, but it makes money by allowing companies to get a live give of usernames and passwords exposed in third-party breaches which might create certificate problems going forward for the subscriber organization and its employees. This 2014 article from the Phoenix Business daybook describes 1 way InfoArmor markets the Pwnedlist to companies: InfoArmors new vendor security Monitoring tool allows businesses to fare due industriousness and monitor its third-party vendors through real-time safety reports. The difficulty is, the way Pwnedlist should work is very different from how it does. This became evident after I was contacted by bobber Hodges, a longtime reader and security researcher in detroit who discovered something peculiar while he was using Pwnedlist: Hodges wanted to append to his watchlist the .edu and .com domains for which he is the administrator, but that characteristic wasnt available. In the first sign that something wasnt quite redress authentication-wise at Pwnedlist, the system didnt even earmark him to validate that he had control of an email direct or domain by sending him a verification to said email or domain. On the other hand, he found he could monitor any email accost he wanted. Hodges said this gave him an idea about how to add his domains: Turns out that when any Pwnedlist user requests that a new web site epithet live added to his Watchlist, the appendage for approving that request was fundamentally flawed. Thats because the process of adding a new thing for Pwnedlist to look for  be it a domain, email address, or parole hash  was a two-step procedure involving a submit button and confirmation page, and the confirmation page didnt trouble to checkout whether the thing being added in the first step was the same as the thing approved in the confirmation page. [For the Geek agent 5 crew here, this vulnerability type is known as parameter tampering, and it involves the ability to modify hidden parameters in carry requests]. Their system is supposed to compare the data that gets submitted in the endorse step with what you initially submitted in the first window, but theres nothing to prevent you from changing that, Hodges said. Theyre not even checking normal email addresses. For example, when you add an email to your watchlist, that email [account] doesnt get a message saying theyve been added. After you append an email you dont own or control, it gives you the verified chink box, but in reality it does no verification. You just typed it in. Its almost like at some point they just disabled any verification systems they may hold had at Pwnedlist. Hodges explained that ace could easily circumvent Pwnedlists account controls by downloading and running a copy of Kali Linux  a free suite of tools made for finding and exploiting software and network vulnerabilities. Always the student, I wanted to see this first-hand. I had a Pwnedlist account from way back when it first launched in 2011, so I fired up a downloadable virtual version of Kali on top of the free VirtualBox platform on my Mac. Kali comes with a pretty handy vulnerability scanner called Burpsuite, which makes sniffing, snarfing and otherwise tampering with traffic to and from web sites a fairly straightforward point-and-click exercise. Indeed, after about a minute of instruction, i was able to replicate Hodges findings, successfully adding Apple.com to my watchlist. i also found i could append basically any resourcefulness I wanted. Although i verified that I could add top-level domains like .com and .net, i did not ladder these queries because i suspected that doing so would crash the database, and in any case mightiness call unwanted attention to my account. (I also resisted the strong temptation to simply shut up about this bug and use it as my own private breach alerting service for the Fortune 500 firms). Hodges told me that any newly-added domains would take about 24 hours to live with results. But for some reason my account was taking far longer. Then i noticed that the email speech Id used to sign up for the free account backrest in 2011 didnt get any hits in the Pwnedlist, and that was simply not possible if Pwnedlist was doing a halfway decent job tracking breaches. So I pinged InfoArmor and asked them to tick my account. Sure enough, they said, it had never been used and was long ago deactivated. Less than 12 hours after InfoArmor revived my dormant account, i received an automated email alert from the Pwnedlist telling me I had new results for Apple.com. in fact, the describe I was then able to download included more than 100,000 usernames and passwords for accounts finish in apple.com. The data was available in field text, and downloadable as a spreadsheet. Some of the more than 100,000 credentials that Pwnedlist returned for me in a account on all passwords tied to email addresses that include apple.com. Some of the more than 100,000 credentials that Pwnedlist returned for me in a report on all passwords tied to email addresses that include apple.com. It took a while for the enormity of what had just happened to sink in. i could now effectively asking a report including all 866 million account credentials recorded by the Pwnsedlist. In short, the Pwnedlist had been pwned. At this point, i got back in spot with InfoArmor and told them what Hodges had found and shown me. Their first answer was that somehow i been given a privileged account on Pwnedlist, and that this is what allowed me to add any domain I chose. After all, Id added the top 20 companies in the destiny 500. How had I been able to do that? The account type you had had more privileges than an ordinary user would, insisted Pwnedlist founder Alen Puzic. After validating the bug, I added some other domains just for giggles. i deleted them all (except the Apple one) before they could render reports. After validating the bug, I added some other domains just for giggles. i deleted them all (except the Apple one) before they could render reports. I doubted that was true, and i suspected the vulnerability was present across their system regardless of which account type was used. Puzic said the company stopped allowing free account signups about sextuplet months ago, but since I had him on the phone i suggested he create a new, free account just for our testing purposes. He rather gamely agreed. Within 30 seconds after the account was activated, i was able to add gmail.com to my Pwnedlist watchlist. Had we given it enough time, that query almost certainly would experience caused Pwnedlist to produce a report with tens of millions of compromised credentials involving Gmail accounts. Wow, so you really can add whatever domain you want, Puzic said in amazement as he loaded and viewed my account on his end. Pwnedlist.com went offline shortly after my phonecall with InfoArmor. Pwnedlist.com went offline shortly after my phonecall with InfoArmor. Its a shame that InfoArmor couldnt design better authorization and authentication systems for Pwnedlist, given that the service itself is a memorial to object failures in that regard. Im a big believer in companies getting amend intelligence about how large-scale everyday watchword breaches may impact their security, but it helps no one when a service that catalogs breaches has a lame security failing that potentially prolongs and exacerbates them. Update, 12:30 p.m. ET: InfoArmor downplayed the problem on Twitter, noting that The data that was exposed has already been compromised- there was no red of PII or contributor data. Also, a new observation is up on Pwnedlist.com, stating that the site is being shut down in a few weeks. The pop-up content reads: Thank you for beingness a subscriber and letting us help alert you of any risks related to your personal credentials. PwnedList launched in 2012 and quickly go the leader in open-source compromised data aggregation. In 2013 PwnedList was acquired by InfoArmor, Inc. a provider of initiative based services. as piece of the transition, the PwnedList Website has been scheduled for decommission on May 16, 2016. If you are interested in obtaining our commercial indistinguishability protection, please go to infoarmor.com for more information. It has been our pleasure to aid you thin your peril from compromised credentials.

About HackNotice and How the Pwnedlist Got Pwned

HackNotice is a service that notices trends and patterns in publically available data so as to identify possible data breaches, leaks, hacks, and other data incidents on behalf of our clients. HackNotice monitors data streams related to breaches, leaks, and hacks and How the Pwnedlist Got Pwned was reported by one of those streams. HackNotice may also have the breach date, hack date, the hacker responsible, the hacked industry, the hacked location, and any other parts of the hack, breach, or leak that HackNotice can report on for the consumers of our product.

If you are a user of How the Pwnedlist Got Pwned their products, services, websites, or applications and you were a client of HackNotice, monitoring for How the Pwnedlist Got Pwned you may have been alerted to this report about How the Pwnedlist Got Pwned . HackNotice is a service that provides data, information, and monitoring that helps our clients recover from and remediate data breaches, hacks, and leaks of their personal information. HackNotice provides a service that helps our clients know what to do about a hack, breach, or leak of their information.

If How the Pwnedlist Got Pwned had a transgress of consumer data or a data leak, then there may be additional actions that our clients should take to protect their digital identity. data breaches, hacks, and leaks often top to and cause identity theft, account take overs, ransomware, spyware, extortion, and malware. account takeovers are often caused by credential reuse, word reuse, easily guessed passwords, and are facilitated by the sharing of billions of credentials and other customer info through data leaks, as the direct result of data breaches and hacks.

HackNotice monitors trends in publically available data that indicates tens of thousands of data breaches each year, along with billions of records from data leaks each year. On behalf of our clients, HackNotice works to monitor for hacks that track to lower client security and digital identities that have been exposed and should live considered vulnerable to attack. HackNotice works with clients to describe the extent that digital identities experience been exposed and provides remediation suggestions for how to handle each type of exposure.

HackNotice monitors the hacker community, which is a network of individuals that apportion data breaches, hacks, leaks, malware, spyware, ransomware, and many other tools that are often used for financial fraud, account take overs, and further breaches and hacks. HackNotice monitors the hacker community specifically for breaches, hacks, and data leaks that hurt consumers. HackNotice applies industry specific knowledge and advanced security practices to monitor for trends that indicate breaches, hacks, and exposed digital identities.

HackNotice also enables clients to apportion hack notices with their friend, family, and collogues to help increase awareness around alleged hacks, breaches, or data leaks. HackNotice works to provide clients with sharable reports to help increase the certificate of our clients personal network. The security of the people that our clients interact with directly impacts the level of certificate of our clients. Increased exposure to accounts that have been taken over by hackers leads to further account have overs through phishing, malware, and other attach techniques.

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