[HN Gopher] About the security content of iOS 12.4.9
       ___________________________________________________________________
        
       About the security content of iOS 12.4.9
        
       Author : axyjo
       Score  : 84 points
       Date   : 2020-11-05 19:29 UTC (3 hours ago)
        
 (HTM) web link (support.apple.com)
 (TXT) w3m dump (support.apple.com)
        
       | alewi481 wrote:
       | I'd like to give kudos to Apple for including the iPhone 5S in
       | this security update, which was released on September 20, 2013,
       | over 7 years ago! Supporting a product for even 3 years is rare
       | in the smartphone world.
        
         | ponker wrote:
         | This is why Apple makes the cheapest smartphones, as long as
         | you avoid dropping them.
        
           | wnevets wrote:
           | until Apple throttles the hardware with their software
           | updates [1]
           | 
           | https://www.theverge.com/2020/7/13/21322867/apple-iphone-
           | bat...
        
             | hokumguru wrote:
             | Wasn't the purpose of that throttling to extend the life of
             | older phones? Throttling the CPU let them stay within the
             | limits of the worn out battery and let the device continue
             | to be used without crashing.
        
               | wnevets wrote:
               | That may have been their public explanation after being
               | caught throttling the hardware.
        
               | Y-bar wrote:
               | It was to extend the battery life, which was a workaround
               | for the flawed battery design (contra CPU power draw). I
               | bought an iPhone SE in the first month available and it
               | started throttling by month 10, I'm not a battery
               | designer, but I did not buy a device marketed as 2x the
               | speed of 5S only for it to silently drop to 0.8x the
               | speed of the 5S less than a year later.
        
               | jeron wrote:
               | In which they had a whole year of really cheap, highly
               | subsidized battery replacements to correct their error. I
               | think Apple should be forgiven for this
        
               | Y-bar wrote:
               | I was unable to benefit from the battery replacement due
               | to a chip in the screen they discovered after I got a CS
               | code to do it: https://i.imgur.com/Gr1bPTU.jpg
        
               | tdonovic wrote:
               | What is a CS code?
        
               | Y-bar wrote:
               | Effectively a coupon code issued by a customer support
               | representative.
               | 
               | Apple did not actually offer the replacement program
               | within ~600km of my home, but I managed to convince them
               | that an Apple Authorised Service provider in my town at
               | least do it. They agreed and gave me a CS Code valid for
               | the the battery replacement to be done.
               | 
               | But it was ultimately denied because of a tiny chip in
               | the glass on the screen.
               | 
               | I _really_ liked every other aspect of this phone though.
        
               | reaperducer wrote:
               | _the flawed battery design_
               | 
               | I'm going to play the odds and guess that you're not a
               | battery designer.
        
         | als0 wrote:
         | The 5S is still the perfect iPhone.
        
           | Tepix wrote:
           | If the 5S is perfect, what's the iPhone SE (2016)?
        
             | encom wrote:
             | The last iPhone with proper headphone support.
        
             | mikepurvis wrote:
             | I love the 5S form factor as well. I only updated from it
             | earlier this year to get iOS 13 to use the COVID Alert app
             | here in Canada (and my upgrade was buying a smashed-screen
             | iPhone SE for next to nothing, of course, and swapping the
             | old phone's screen onto it).
        
             | nbzso wrote:
             | The last iPhone that I use.:)
        
             | saagarjha wrote:
             | Not chamfered :(
        
               | jdhawk wrote:
               | sure they are, they're just matte finished.
        
             | rosstex wrote:
             | My current phone.
        
               | gumby wrote:
               | The price is definitely right -- cheaper than an upgrade!
        
           | ezekg wrote:
           | How do you still have one that's running OK? My Apple
           | products almost always "die" after a few years. I had the 5S
           | but one day it crashed and would not turn back on no matter
           | what I did. The iPhone I had before that did the same thing.
        
             | hbbio wrote:
             | The list of old Apple devices that still work well is
             | impressive: I still have one original iPad, an iPhone 3GS,
             | several iPhone 4. Same goes for the more recent ones, with
             | the exception of the few devices that I dropped on hard
             | floors over the last 10 years...
        
             | snazz wrote:
             | Is that a common issue? I've certainly heard about devices
             | losing battery life and cameras progressively getting
             | worse, but complete death is very uncommon unless you use
             | it without a case and drop it all the time or something.
             | 
             | I still have a working iPhone 5 (no S) with a home button
             | that spins and a slightly broken screen bezel but no other
             | issues.
        
               | wiredfool wrote:
               | I had a 5s die at one point, it got reset to the point
               | where it needed to activate, and couldn't.
        
               | CuriousSkeptic wrote:
               | I have a 4S still running.
               | 
               | At one point I thought it died permanently. But it turned
               | out to only be the screen dimming to much. In bright
               | light it auto adjusted enough to be visible, allowing me
               | to rise the brightness.
        
             | reaperducer wrote:
             | _How do you still have one that 's running OK? My Apple
             | products almost always "die" after a few years._
             | 
             | Consider yourself unlucky and never buy a lottery ticket.
             | 
             | Apple is well-known for making products that last longer
             | than most others in the industry.
             | 
             | I have a launch day iPhone 5 that gets daily use and still
             | works fine as of this morning. Launch day was in September
             | of 2012.
        
           | bradlys wrote:
           | Well, let's not get crazy. It's fine (I'm using it currently
           | because my Samsung S9 died) but it's definitely no perfect
           | phone. It doesn't even have water resistance and the screen
           | to body ratio is pretty bad, IMO.
           | 
           | Only upside is the thing is built in such a way that it has
           | barely taken any damage from the years of abuse I put it
           | through.
           | 
           | I'm likely getting an iPhone 12 Pro Max very soon and will
           | continue to only use the iPhone 5S I've had since 2013 as a
           | backup.
        
             | radicaldreamer wrote:
             | You're going from a 5s to a Pro Max? That's almost a jump
             | across product categories... like switching from an iPhone
             | to an iPad Mini.
        
           | chews wrote:
           | The 12 mini is gonna be my next daily driver.
        
             | ChrisMarshallNY wrote:
             | Same here.
             | 
             | I write iOS software, so I have a whole bunch of test
             | units.
             | 
             | My "low-end" test unit is an iPod Touch (last gen).
             | Basically, a skinny SE (Apple doesn't even have an iPod
             | simulator -you're supposed to use an SE sim).
             | 
             | My regular daily phone is an Excess Max (XSMax). I'm sick
             | to death of it. I don't have much use for all that screen
             | real estate, and it's a big honkin' monster.
             | 
             | Every time I use my Touch, it makes me envious.
             | 
             | I'll be placing an order for a Mini, tomorrow.
        
         | namanaggarwal wrote:
         | Also to Google for finding majority of them
        
           | curt15 wrote:
           | If only Google could put this much effort into supporting its
           | own Pixel devices, which stop getting updates to the base OS
           | after just three years.
        
             | Shared404 wrote:
             | Depending on your usecase, GrapheneOS may be of interest.
        
             | Dahoon wrote:
             | >after just three years
             | 
             | The 5S was sold from Apple stores in India in mid 2017. So
             | that's 3 years of updates from end-of-sale and this is an
             | OS update for a 2 year old OS. So two years of support.
             | Less than the Pixel.
        
               | irae wrote:
               | When someone buy a 5S in 2017 they surely know already,
               | or should, that it is a cheap buy to last less than a
               | newer model. So 3 years in this case is actually a great
               | deal.
        
               | majormajor wrote:
               | I had a Pixel 1, launched in 2016, and it lost support in
               | 2019. 3 years after _start_ of sale, not _end_ of sale.
               | 
               | It's part of why I went back to Apple.
        
             | dmitrygr wrote:
             | I promise you, people inside google are equally frustrated
             | with this unjustifiable top-down decision. (am Xoogler)
        
         | Y-bar wrote:
         | Wouldn't last official sale date be a better indicator of true
         | device support? For example if someone bought it in an Apple
         | store on the last day available, how long period would they
         | have received updates for?
         | 
         | For example in mid 2017 it was still officially sold by Apple
         | in India (source: https://www.iphonehacks.com/2017/05/apple-
         | iphone-5s-iphone-s...).
        
           | JohnTHaller wrote:
           | Comparatively, no. Android phones generally get a maximum of
           | 3 years of security updates from launch, not from last device
           | sale date. So, within mobile phones, it's more informative to
           | compare it to their competition. It shows you just how much
           | better Apple is at mobile device support compared to everyone
           | else.
        
           | gruez wrote:
           | >Wouldn't last official sale date be a better indicator of
           | true device support?
           | 
           | well in that case many cheap android phones/tablets would
           | have _negative_ support periods, considering they don 't
           | release any updates at all.
        
           | diebeforei485 wrote:
           | Apple uses this metric as well[1]. If something hasn't been
           | sold by Apple for 5 years (but less than 7 years), it's
           | considered vintage and you can still get hardware service and
           | certain critical software fixes, though not necessarily any
           | new features.
           | 
           | The support for MacBooks is actually great. Certain Late 2013
           | and Mid 2014 Retina MacBook Pros, while considered vintage,
           | will be receiving the Big Sur update[2].
           | 
           | 1. https://support.apple.com/en-us/HT201624 2.
           | https://www.apple.com/macos/big-sur-preview/ (at the bottom
           | of the page)
        
             | ValentineC wrote:
             | > _The support for MacBooks is actually great. Certain Late
             | 2013 and Mid 2014 Retina MacBook Pros, while considered
             | vintage, will be receiving the Big Sur update._
             | 
             | I think it's more likely that Apple's new frameworks don't
             | require any fancy hardware features that aren't available
             | in the Late 2013 MacBook Pros.
        
               | diebeforei485 wrote:
               | It's true that laptop computers have not changed as much
               | over the years. This in large part because Intel CPU's
               | and architecture have not changed as much, while iPhone
               | CPU's have improved by leaps and bounds.
               | 
               | I wonder how much this might change when Apple Silicon
               | comes to the Mac.
        
             | mulmen wrote:
             | I have a Mid-2014 RMBP, there's nothing wrong with it at
             | all. It's sad to think OS support may be dropped in the
             | next few years.
        
           | jtbayly wrote:
           | No, because devices can be and sometimes are sold with
           | software that is _already_ out of date. The better indicator
           | is how long software support is provided for a device from
           | beginning to end.
        
             | anamexis wrote:
             | Why is that a better indicator?
             | 
             | If I buy a new phone from the manufacturer and it's already
             | unsupported, that's really bad. I don't care if it was
             | supported for 8 years before I bought it.
        
             | Jtsummers wrote:
             | Hah. This bit us when I got my mother an iPhone SE (2016)
             | to replace her iPhone 4 a year or so ago. I tried to
             | restore from iCloud backup and it kept failing, and finally
             | it dawned on me that the OS may have been out of date.
             | Skipped the restore, updated the OS, and wiped the phone.
             | The restore worked correctly.
        
             | Dahoon wrote:
             | Sure but that doesn't change how long they supported after
             | end of sale which wasn't in 2013 but at least until 2017.
             | So ~3 years of software updates from end of sale. Still OK
             | but not anything special.
        
               | simonh wrote:
               | To not be special, there must be many phones out there
               | getting the same or better support. What are they? Who
               | sells these many other smartphones that have had 3 or
               | more years of updates from last sale?
               | 
               | Certainly not the Pixel phones, they get 3 years support
               | from first launch only, and they're supposedly the gold
               | standard for Android software support. It's pretty much
               | the reason they exist. Yet after last sale support for
               | the 5S matched the Pixel's from launch support, and we
               | don't even know that this is the last update the 5S will
               | get.
        
         | gcheong wrote:
         | Since this is a security update I think it's more about support
         | of an OS which is only 2 yrs old than the class of device as
         | that class was supported with the initial iOS 12 release.
        
       | tptacek wrote:
       | A tricky thing about flagging "in the wild exploited
       | vulnerabilities" in a title like this is that it suggests that
       | sev:crit vulnerabilities in other updates that aren't flagged
       | like this aren't being exploited in the wild. We get confirmation
       | of only a subset of exploited vulnerabilities.
       | 
       | We'd be better off with a more neutral title, like "fixing severe
       | vulnerabilities" or something like that.
        
         | dang wrote:
         | We've changed the title above to that of the page. (Submitted
         | title was "Apple releases iOS 14.2 and 12.4.9, fixing in-the-
         | wild exploited vulnerabilities".)
        
           | scarybeast wrote:
           | I think this is a bad decision. The "in-the-wild" part is the
           | interesting part because it is not the norm at all and it
           | implies an interesting story.
        
         | sneak wrote:
         | The other thing to consider is that doing a binary diff on the
         | OS before/after patching puts a big red arrow right at the
         | location of the bug, which means that there's no reasonable
         | expectation that it will remain unexploited _after_ the patch.
         | 
         | It's not really that important, really. It's either being
         | exploited yesterday, or tomorrow.
        
         | thatguy0900 wrote:
         | I still think it's important to say that we know they are being
         | actively exploited, even if all vulns might be
        
           | tptacek wrote:
           | That's the kind of thing you can say in a comment, rather
           | than in the title.
        
       | MrStonedOne wrote:
       | Anybody get a bitter sweet feeling when ever these reported and
       | fixed security exploits announcements happen?
       | 
       | It's good that users aren't going to risk getting hacked by such
       | vulnerabilities, but its bad that users can no longer uses these
       | exploits to gain administrative control over their property.
        
         | snazz wrote:
         | Apple isn't going to force you to update your device, so you
         | can stay on an older version if you want jailbreaks.
        
           | ValentineC wrote:
           | Apple doesn't allow downgrading (and it's gotten even harder
           | with Touch/Face ID not being downgradable with SHSH blobs),
           | so people accidentally update, or get their hardware replaced
           | in a repair, are SOL.
        
           | MrStonedOne wrote:
           | users buying new devices that automatically update on
           | activation aren't going to have that choice.
        
             | nahkoots wrote:
             | Users that care about having control over their devices
             | shouldn't be buying Apple hardware in the first place. Not
             | that I support Apple's anti-consumer practices, but if you
             | buy one of their products, you have to know what you're
             | getting yourself into.
        
         | beagle3 wrote:
         | If you want a phone that you have control over, don't buy one
         | from Apple... At this point in time, choices are mostly limited
         | to Librem and PinePhone.
        
           | bamboozled wrote:
           | FairPhone too?
        
       | swiley wrote:
       | Maybe I got hit with one of these, my phone stopped being able to
       | answer phone calls and auto focus stopped working (like something
       | re flashed the firmware on a bunch of the internal peripherals.)
       | 
       | I was going to wait until the software on my pinephone was more
       | mature but that pushed me over the edge to get power management
       | working on my own and make sure it could make phone calls. I
       | think dumping iOS has done a lot for my mental health and I'm
       | glad to have left it.
        
         | asimilator wrote:
         | > I was going to wait until the software on my pinephone was
         | more mature but that pushed me over the edge to get power
         | management working on my own and make sure it could make phone
         | calls.
         | 
         | I guess stress is personal, because this sounds way more
         | stressful than anything I've had to deal with on iOS! And I say
         | that as someone who'd like to get a more open (hardware and
         | software) phone in the future.
        
           | swiley wrote:
           | iOS wasn't stressing me directly, it was that the UI is built
           | to encourage compulsive media consumption and that was eating
           | into other parts of my life like work (which is stressful.)
        
         | tptacek wrote:
         | Per PZ, the attacks here are targeted, meaning that the people
         | exploiting them spent a fair bit of money to get these
         | exploits, and are presumably very unhappy that they are burned.
         | Unless you are special, it's unlikely that you got hit with one
         | of these.
        
           | [deleted]
        
       | saagarjha wrote:
       | I think this is the first time Apple has mentioned that the bugs
       | they fixed were exploited in the wild? A welcome change if so.
        
       | patio11 wrote:
       | Note that there are similar issues in macOS, too.
       | https://support.apple.com/en-us/HT211947 <-- Catalina 10.15.7
       | Supplemental Update notes
        
       | heavyset_go wrote:
       | I think it's interesting how iOS exploits are cheaper[1] than
       | Android exploits, because iOS exploits are so plentiful in
       | comparison to Android exploits.
       | 
       | [1] https://arstechnica.com/information-
       | technology/2019/09/for-t...
        
         | duxup wrote:
         | Is that still the case?
         | 
         | The article implies that before it was written that wasn't the
         | case previously.
        
           | heavyset_go wrote:
           | Yes. Here's an article from May of this year[1], where it
           | states that it is still the case.
           | 
           | Also, you can go directly to Zerodium's website, where, as of
           | today, they are still paying more for Android exploits than
           | iOS exploits[2].
           | 
           | [1]
           | https://www.theregister.com/2020/05/14/zerodium_ios_flaws/
           | 
           | [2] http://zerodium.com/program.html
        
           | Veserv wrote:
           | Does it matter? A full-chain zero-click remote complete
           | compromise for either system is only $2-3 million. That is
           | absolute chump change. 4-6% of households in the US [1], 5-8
           | million households, have sufficient assets to fully
           | compromise every iPhone or Android in the world. If we
           | consider businesses, I bet that is within the reach of no
           | less than 50% of the businesses (including small businesses)
           | in the US. That is an absurd number of entities where that
           | price point is totally doable.
           | 
           | If a bad actor can derive just $10 on average per phone they
           | attack, then all they need to do is find a way to deploy
           | their $2-3 million exploit to 1 million phones for less than
           | $5 million to make a tidy profit. Given that we are talking
           | about zero-click remote compromises, which means the victim
           | only needs to receive the payload, this means that it is
           | profitable as long as the cost per victim impression is less
           | than $5, a CPM of $5000. With that sort of budget you can
           | embed your attack into an ad and then outbid everybody else
           | by a factor of 10 for placements. You can buy a mailing list
           | and embed your attack as a "payload pixel". If it is a zero-
           | click text message attack then you can buy access to the
           | spam-callers and mass deploy it that way.
           | 
           | These systems are between a factor of 10-100x off of
           | adequate. To care about their relative differences is like
           | debating whether paper mache or tissue paper is better at
           | stopping bullets. One is probably better than the other, but
           | neither provides meaningful protection, so it hardly matters.
           | You need fundamental, qualitative improvements before
           | differences between the solutions provide meaningful effects
           | on outcomes.
           | 
           | [1] https://dqydj.com/average-median-top-net-worth-
           | percentiles/
        
             | duxup wrote:
             | >Does it matter?
             | 
             | Yes?
             | 
             | Considering it was the measuring stick that person seemed
             | to feel was important.
        
         | rozab wrote:
         | What about the fact that android has 3 times the market share?
        
           | Closi wrote:
           | And the fact that android devices are generally patched
           | slower, so an exploit can give you access for longer.
        
           | heavyset_go wrote:
           | In the US, iOS has the majority of market share at 52.4%, and
           | Android has 47%[1].
           | 
           | [1] https://www.statista.com/statistics/266572/market-share-
           | held...
        
         | kogir wrote:
         | I'd guess it's because the individuals worth using a targeted
         | exploit on are more likely to be carrying iPhones.
        
           | asdfasgasdgasdg wrote:
           | I think you've misunderstood. iOS exploits are _cheaper_. If
           | your explanation held, then you 'd expect them to be
           | costlier. That said, I'm sure your explanation is a component
           | of their price.
        
         | win32k wrote:
         | Why are you citing a year+ old article? It's clearly out of
         | date. iOS is a much more secure platform, and exploits are much
         | rarer than Android exploits.
         | 
         | HN has really gone down in quality of readers/commenters.
        
           | buzzy_hacker wrote:
           | It would be better for you to provide the up-to-date
           | information showing otherwise yourself, rather than name-
           | calling
        
           | irae wrote:
           | What about the "Released November 5, 2020" part of the page?
           | Are you from the future?
        
           | heavyset_go wrote:
           | > _Why are you citing a year+ old article? It 's clearly out
           | of date_
           | 
           | Because it is still the case as of today[1], and nothing of
           | note has changed[2].
           | 
           | > _HN has really gone down in quality of readers
           | /commenters._
           | 
           | Ironic, considering this comment violates HN's guidelines.
           | 
           | [1] http://zerodium.com/program.html
           | 
           | [2]
           | https://www.theregister.com/2020/05/14/zerodium_ios_flaws/
        
           | snazz wrote:
           | Functionally, iOS is a much more secure platform. Far more
           | people are updated to the latest iOS version, which makes a
           | huge difference. Apple invests tons of money into secure
           | biometrics, privacy initiatives, and lots more.
           | 
           | At the same time, Android might still have fewer
           | vulnerabilities in the latest versions. It's possible that
           | Android's security technology or coding practices result in
           | fewer security bugs. I don't think that Android has any
           | attack surface equivalent to iMessage (which is written in
           | Objective-C and uses some fairly low-level techniques, if I
           | remember correctly).
           | 
           | A lot fewer people use the latest version of Android, though,
           | so most of that effort goes to waste.
        
             | saagarjha wrote:
             | I think a major part of it is that iOS has much less
             | variety.
        
       | jamiehall wrote:
       | Linking to the 14.2 list (https://support.apple.com/en-
       | us/HT211929) might be better? After clicking the headline link,
       | it took me a few seconds to understand why we were caring about
       | updates for the iPhone 5 and 6...
        
         | snazz wrote:
         | I think it's worth linking the 12.4.9 page because it's
         | impressive that the software update is available going all the
         | way back to the iPhone 5s. That's some serious longevity.
        
           | zokier wrote:
           | > That's some serious longevity
           | 
           | Well, yes, its better than your average Android vendor. But
           | on the other hand Windows 8 was released 2012 (i.e. about a
           | year before iPhone 5s), and is scheduled to get updates until
           | _2023_. That is pretty serious longevity. And supporting
           | handful of Apple devices must be comparatively simpler than
           | supporting the hodgepodge fleet of Windows 8 devices.
        
             | beagle3 wrote:
             | Apples (ha!) to Oranges. Personal computers cost, on
             | average 2-4 times what the 5S cost in its day, and are
             | expected to last much longer than a phone (as evidenced by
             | the lack of uproar that all phone vendors including
             | Microsoft drop support within 2-3 years ... except Apple).
        
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