UGH: Millions of utility customers’ passwords stored in plain text.

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via arstechnica:

In September of 2018, an anonymous independent security researcher (who we’ll call X) noticed that their power company’s website was offering to email—not reset!—lost account passwords to forgetful users. Startled, X fed the online form the utility account number and the last four phone number digits it was asking for. Sure enough, a few minutes later the account password, in plain text, was sitting in X’s inbox.

This was frustrating and insecure, and it shouldn’t have happened at all in 2018. But this turned out to be a flaw common to websites designed by the Atlanta firm SEDC. After finding SEDC’s copyright notices in the footer of the local utility company’s website, X began looking for more customer-facing sites designed by SEDC. X found and confirmed SEDC’s footer—and the same offer to email plain-text passwords—in more than 80 utility company websites.

Those companies service 15 million or so clients (estimated from GIS data and in some cases from PR brags on the utility sites themselves). But the real number of affected Americans could easily be several times that large: SEDC itself claims that more than 250 utility companies use its software.

Most of the information in this story came to Ars directly from X, who was frustrated with the extreme indifference of the companies involved after several months of continued effort to work with them. I confirmed the technical details of X’s claims by examining many of the affected sites myself, and by reviewing X’s communications with their own utility company and with SEDC. EFF Senior Information Security Counsel Nate Cardozo (who will famously be leaving to help WhatsApp clean up its privacy issues) and EFF attorney Jamie Williams have been advising X concerning legal and ethical disclosure responsibilities during the entire process—because even today, the threat of legal action may come before a potentially flawed company offers anything resembling thanks or takes the necessary steps towards better security hygiene.

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Ars reached out to X’s utility company and to Mark Cole (SEDC’s General Counsel), but we received no response from either.

Plain-text passwords

X did not attempt to discover any direct exploits into any of the utility firms or into SEDC’s own payment site. There’s no smoking gun here that says “somebody can just grab all these passwords and run.” That said, website compromises are much like entropy: they trend toward the maximum. Once a website is breached, the first thing attackers do is to dump the password database.

Cyber security is a process—but that process does not include unencrypted password storage.
Enlarge / Cyber security is a process—but that process does not include unencrypted password storage.

This isn’t generally necessary to access accounts on the compromised site itself; once you’ve got root in the infrastructure, odds are pretty good you can already do whatever you’d like in that site. But what makes those user passwords so valuable is their use as pivot points.

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Most users, unfortunately, re-use passwords between different websites and Internet-accessible accounts with wild abandon. They may change it up a little bit—add a number on the end here, stick a special character in the middle there—but this doesn’t actually add a significant degree of security. Modern penetration tools (like Burp Intruder) automatically “fuzz” passwords as necessary when the attacker attempts to use them to access other, more valuable resources.

These exploitable resources include just about anything from which you can make money; eBay accounts, Amazon accounts, even World of Warcraft accounts are popular targets for an attacker looking to make a quick buck. Even more worryingly, if a user re-used their email password (or some variant thereof) to log into the compromised website, the attacker can leverage access to the user’s email account to reset the passwords to just about anything else the user accesses online.

This is romper-room security stuff for 2008, let alone 2018. Arguably, the utility firms that contracted with SEDC for billing software and services are large enough—and responsible for enough customers’ data—that they should be aware of and diligent about this kind of problem themselves. In reality, most companies are an awful lot like end users: they don’t know, or care, as much about security as the typical Ars Technica reader might like.



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