Night mode is an automatic setting which takes advantage of the new wide-angle camera that's in the iPhone 11 and 11 Pro models. It's equipped with a larger sensor that is able to let in more light, allowing for brighter photos when the light is low.
macOS Catalina Now Available
macOS High Sierra Vulnerability Allegedly Allows Malicious Third-Party Apps to Access Plaintext Keychain Data
macOS High Sierra, released to the public today, could be impacted by a major security flaw that could allow a hacker to steal the usernames and passwords of accounts stored in Keychain.
As it turns out, unsigned apps on macOS High Sierra (and potentially earlier versions of macOS) can allegedly access the Keychain info and display plaintext usernames and passwords without a user's master password.
Security researcher and ex-NSA analyst Patrick Wardle tweeted about the vulnerability early this morning and shared a video of the exploit in action.
For this vulnerability to work, a user needs to download malicious third-party code from an unknown source, something Apple actively discourages with warnings about apps downloaded outside of the Mac App Store or from non-trusted developers. In fact, Apple does not even allow apps from non-trusted developers to be downloaded without explicitly overriding security settings.
As demonstrated in the video above, Wardle created a proof-of-concept app called "keychainStealer" that was able to access plaintext passwords stored in Keychain for Twitter, Facebook, and Bank of America. Wardle spoke to Forbes about the vulnerability and said it's actually not hard to get malicious code running on a Mac even with Apple's protections in place.
As Wardle has not released the full exploit code, it has not been double-checked by MacRumors or another source, so full details on the vulnerability are not known just yet.
Apple has not yet responded to requests for comment about the potential vulnerability.
As it turns out, unsigned apps on macOS High Sierra (and potentially earlier versions of macOS) can allegedly access the Keychain info and display plaintext usernames and passwords without a user's master password.
Security researcher and ex-NSA analyst Patrick Wardle tweeted about the vulnerability early this morning and shared a video of the exploit in action.
on High Sierra (unsigned) apps can programmatically dump & exfil keychain (w/ your plaintext passwords)🍎🙈😭 vid: https://t.co/36M2TcLUAn #smh pic.twitter.com/pqtpjZsSnq
— patrick wardle (@patrickwardle) September 25, 2017
For this vulnerability to work, a user needs to download malicious third-party code from an unknown source, something Apple actively discourages with warnings about apps downloaded outside of the Mac App Store or from non-trusted developers. In fact, Apple does not even allow apps from non-trusted developers to be downloaded without explicitly overriding security settings.
As demonstrated in the video above, Wardle created a proof-of-concept app called "keychainStealer" that was able to access plaintext passwords stored in Keychain for Twitter, Facebook, and Bank of America. Wardle spoke to Forbes about the vulnerability and said it's actually not hard to get malicious code running on a Mac even with Apple's protections in place.
"Without root priveleges, if the user is logged in, I can dump and exfiltrate the keychain, including plaintext passwords," Wardle told Forbes. "Normally you are not supposed to be able do that programmatically."Wardle has not provided the full exploit code for malicious entities to take advantage of, and he believes Apple will patch the problem in a future update.
"Most attacks we see today involve social engineering and seem to be successful targeting Mac users," he added. "I'm not going to say the [keychain] exploit is elegant - but it does the job, doesn't require root and is 100% successful."
As Wardle has not released the full exploit code, it has not been double-checked by MacRumors or another source, so full details on the vulnerability are not known just yet.
Apple has not yet responded to requests for comment about the potential vulnerability.
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27 months ago
Would have been great if he contacted Apple before the OS was released. Just looking for attention. Jerk
27 months ago
Would have been great if he contacted Apple before the OS was released. Just looking for attention. Jerk
1. Would have been even greater if Apple had ppl who found these kind of bugs themselves before release.2. You don't know if he found this yesterday. But sure hate on the guy who might have prevented your bank account password from ending up in the wrong hands.
27 months ago
OMG, to enable this software you have to enter System Preferences, answer YES on two dialogues, and also enter your password. Then it may STEAL your not encoded things stored in the keychain (by default everything is stored encoded). I think I'm going to Windows now. This is just too much!!!
/irony ended
/irony ended
27 months ago
sigh. don't download junk, don't jeopardize your computer. Common sense is the best anti-virus.
27 months ago
If he did find it yesterday, he should have disclosed it to Apple and given them 90 days to fix it.
He doesn't owe Apple anything. Just like Apple doesn't owe him anything. He did them a favour.
27 months ago
I see a lot of people assuming he didn't contact Apple. Does he explicitly say that somewhere? All I see is "Apple has not yet responded to requests for comment". Because if he DID contact Apple and was ignored, he could have either waited for final version to check whether a fix was implemented, then notified general public immediately, or kept the information to himself and waited until tons of people get their computers hacked.
27 months ago
Ah, so Microsoft is hiring these people to expose things on release day. Nice.
LOL, MS has no interest or desire. This isn't 1990, and the PC wars are long over.
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