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Google researchers discovered multiple security flaws in Apple's Safari web browser that let users' browsing habits be tracked despite Apple's Intelligent Tracking Prevention feature.
Google plans to publish details on the security flaws in the near future, and a preview of Google's discovery was seen by Financial Times, with the publication sharing information on the vulnerabilities this morning.
The security flaws were first found by Google in the summer of 2019, and were disclosed to Apple in August. There were five types of potential attacks that could allow third parties to learn "sensitive private information about the user's browsing habits."
Google researchers say that Safari left personal data exposed because the Intelligent Tracking Prevention List "implicitly stores information about the websites visited by the user." Malicious entities could use these flaws to create a "persistent fingerprint" that would follow a user around the web or see what individual users were searching for on search engine pages.
Intelligent Tracking Prevention, which Apple began implementing in 2017, is a privacy-focused feature meant to make it harder for sites to track users across the web, preventing browsing profiles and histories from being created.
Lukasz Olejnik, a security researcher who saw Google's paper, said that if exploited, the vulnerabilities "would allow unsanctioned and uncontrollable user tracking." Olejnik said that such privacy vulnerabilities are rare, and "issues in mechanisms designed to improve privacy are unexpected and highly counter-intuitive."
Apple appears to have addressed these Safari security flaws in a December update, based on a release update that thanked Google for its "responsible disclosure practice," though full security credit has not yet been provided by Apple so there's a chance that there's still some behind-the-scenes fixing to be done.
Top Rated Comments
(View all)For example, someone might think there is no way Apple could have an issue with their iCloud encryption or with the servers housing the Apple private key encrypted iCloud data and in all likelihood they'll be wrong. Trusting any centralized source like this will be a problem at some point.
Rough week for Apple---
Ah, the good'ol Safari, one of Apple's biggest software troll since Cook.
Seems like Apple has these rough weeks quite often these days. Reality is a bitch when all you've got is marketing.
....about a company who’s entire business spin is about privacy and security
Well it was a pretty long article I guess. For those who didn’t bother reading to the end:What but i thought..........................
“Apple appears to have addressed these Safari security flaws in a December update, based on a release update ('https://webkit.org/blog/9661/preventing-tracking-prevention-tracking/') that thanked Google for its ‘responsible disclosure practice....’ ”
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So true. I used to love Apple, but since around 2015 I've had nothing but problems with their hardware and software. Their software is so buggy; I remember when things just worked and now odd glitches are a daily occurrence.Reality is a bitch when all you've got is marketing.
Personally I hate this Safari feature. I much rather have full control over what sites store/don't store. On my laptop and desktop I have Firefox reject all third-party cookies (there's virtually no legitimate reason to have them anyway), in addition to usual extensions to block trackers, etc. Safari is only used on my phone and this "feature" of Apple's causes problems because it's not learning the sites I visit and keeps deleting legitimate cookies for those sites so I have to login/change settings when I visit. There really should be more control for the end user but that's not the Apple way.