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dotaturls_feedandrewduckerschneier_no_tracking_feedIt’s an impressive feat, over a decade after the box was released:
Since reset glitching wasn’t possible, Gaasedelen thought some voltage glitching could do the trick. So, instead of tinkering with the system rest pin(s) the hacker targeted the momentary collapse of the CPU voltage rail. This was quite a feat, as Gaasedelen couldn’t ‘see’ into the Xbox One, so had to develop new hardware introspection tools.
Eventually, the Bliss exploit was formulated, where two precise voltage glitches were made to land in succession. One skipped the loop where the ARM Cortex memory protection was setup. Then the Memcpy operation was targeted during the header read, allowing him to jump to the attacker-controlled data.
As a hardware attack against the boot ROM in silicon, Gaasedelen says the attack in unpatchable. Thus it is a complete compromise of the console allowing for loading unsigned code at every level, including the Hypervisor and OS. Moreover, Bliss allows access to the security processor so games, firmware, and so on can be decrypted.
jazzyjj posting in ![[community profile]](https://www.dreamwidth.org/img/silk/identity/community.png){kind=small}
awesomeersbruce_schneier_feedIt’s an impressive feat, over a decade after the box was released:
Since reset glitching wasn’t possible, Gaasedelen thought some voltage glitching could do the trick. So, instead of tinkering with the system rest pin(s) the hacker targeted the momentary collapse of the CPU voltage rail. This was quite a feat, as Gaasedelen couldn’t ‘see’ into the Xbox One, so had to develop new hardware introspection tools.
Eventually, the Bliss exploit was formulated, where two precise voltage glitches were made to land in succession. One skipped the loop where the ARM Cortex memory protection was setup. Then the Memcpy operation was targeted during the header read, allowing him to jump to the attacker-controlled data.
As a hardware attack against the boot ROM in silicon, Gaasedelen says the attack in unpatchable. Thus it is a complete compromise of the console allowing for loading unsigned code at every level, including the Hypervisor and OS. Moreover, Bliss allows access to the security processor so games, firmware, and so on can be decrypted.
tamaranth
Compared with the climate emergency, genocide, inequality, corruption, democratic backsliding, authoritarianism and sustained racist, homophobic, misogynist and transphobic attacks, the internet is just a sideshow. But the internet ...is the communications medium we will use to organise to save our species and planet from their imminent eradication. We can’t win these fights without a free, fair and open internet. [introduction]
Audiobook, read (with vigour and enthusiasm) by the author. Doctorow's foundational argument is something most internet users will agree with: that big internet sites, such as Facebook, Amazon, and the-site-formerly-known-as-Twitter, have become much less usable and user-friendly over recent years. (I would add Del.icio.us, Vinted, Goodreads, LiveJournal...)
( Read more... )
dotaturls_feeddaily_otter_feed
Via Alaska SeaLife Center, which writes:
Look closely. Can you see the differences between the pup coat and adult coat of a northern sea otter?
Sea otters have a different coat for the first three months of their life, with a longer loft and longer guard hairs than an adult coat. The pup coat keeps pups afloat on top of the water, just like a lifejacket.
Our rehab team has described it like “a cotton ball in water.”
Here’s a close-up look at Un’a’s coat when she was first admitted at about 2 months old, and at her coat again 6 weeks later after she molted. Notice the reduction of the lighter colored guard hairs.
watervoleI belong to two Civil War reenactment groups. The Norfolke Trayned Bandes and Little Woodham.
The Norfolks have a strong connection to Bullace Farm and many of them spend a week there every year as volunteers. This year, the volunteers from LIttle Woodham are visiting the farm for a day.
I really really want to be there, but it's a three hour trip on a mini bus, and three hours back again. And I'm paranoid about long journeys. I've had three really bad (lasting more than two months) of sciatica in the last few years, and two of them were triggered by long journeys.
If you've ever had sciatica, you'll know just how painful it is. If you haven't, all I can tell you is that it's the most painful health condition I've had in my life and it can leave you pretty much immobilised for the duration.
The last bad attack was triggered by a long train journey. I chose train rather than car, as I knew I'd be able to get up and walk round at intervals, but sadly, even that and doing tai chi at stations when there were changes, wasn't enough.
By the time I got home I was in agony. My husband picked me up at the station, and I didn't do any journeys after that for quite some time. Even the short distance to physio appointments had to be done lying on the back seat of the car. Sitting upright was't an option, even for five minutes.
Over the next couple of months, I worked my way through three different physios who all agreed that I needed an operation (to be fair, my original bout of sciatica a few years before HAD needed an operation), until, finally, Manfred came back to England (he has an elderly parent in the Netherlands). I walked in with all my weight on my walking stick, and walked out without the stick.
Took a couple of weeks to finish off the job, but that man is a miracle worker. (He correctly identified the cause of my previous bout of sciatica, as well.)
Ah well, to cut a long story short, I shall not go to Bullace Farm, even though I madly want to.
If you want to know what the farm is like, watch Tales From the Green Valley.
andrewduckerIt always surprises me that Boots isn't open until 9am. You would have thought that there'd be enough people wanting to pick up painkillers or similar on the way in to work.
ecosophia
It's getting on for midnight and so it's time to launch a new Magic Monday. Ask me anything about occultism, and with certain exceptions noted below, any question received by midnight Monday Eastern time will get an answer. Please note: Any question or comment received after that point will not get an answer, and in fact will not be put through. If you're in a hurry, or suspect you may be the 341,928th person to ask a question, please check out the very rough version 1.3 of The Magic Monday FAQ here. 
I've also had quite a few people over the years ask me where they should buy my books, and here's the answer. Bookshop.org is an alternative online bookstore that supports local bookstores and authors, which a certain gargantuan corporation doesn't, and I have a shop there, which you can check out here. Please consider patronizing it if you'd like to purchase any of my books online.
questionable_content_feed
Emily is my wife's favourite character so this story is basically a little present for her (and possibly...for you???)
musesfool
dotaturls_feedvivdunstan
