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M1チップの脆弱性M1raclesを読み解く / About the vulnerabilit...
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Elvis Shi
September 18, 2021
Programming
2
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M1チップの脆弱性M1raclesを読み解く / About the vulnerability on M1 chip called M1racles
Elvis Shi
September 18, 2021
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Transcript
.νοϓͷ੬ऑੑ .SBDMFTΛಡΈղ͘ f o r J 0 4 %
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..BDΛͬͯΔํ!
N ?Ч? ϓΪϟʔ͆͆͆
݄
ɹमਖ਼ෆՄೳͳ੬ऑੑ͕ൃ֮ʂ ͋ͷ νοϓʹ
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$16 ϝϞϦ ετϨʔδ ϓϩηε" ϓϩηε# σʔλ
$16 ϝϞϦ ετϨʔδ ϓϩηε" ϓϩηε# σʔλ
$16 ϝϞϦ ετϨʔδ Ϩδελ ϓϩηε" ϓϩηε# σʔλ "
ϓϩηεΛىಈͯ͠ ඪ४ೖྗ͔Βೖྗͪʹ
ผͷಉ໊ʢ࿈ಈʣϓϩηε͔Β ϑΝΠϧͷσʔλΛಡΈࠐΜͰ Ϩδελʹૹ৴
ݩͷϓϩηε͕Ϩδελ͔Β ೖྗ͞ΕͨσʔλΛड৴͠
ݩͷϓϩηε͕ ಈըΛ࠶ੜ࢝͠ΊΔ
IUUQTXXXOJDPWJEFPKQXBUDITN
IUUQTEVDLEVDLHPDPN RNSBDMFTUPTYJBXFC
IUUQTNSBDMFTDPN
'"2 IUUQTNSBDMFTDPN
ҎԼɺ'"2ൈਮ
2ɿ୭͕ӨڹΛड͚Δͷ͔ શͯͷ.ϢʔβɻͲΜͳ04Ͱಈ͍ͯΔݶ ΓӨڹड͚·͢ɻ
2ɿ΄͔ͷ"QQMFͷ$16ಉ͡੬ऑੑ͕͋Δ ͔ ͍ɺগͳ͘ͱݱࡏ"֬ೝࡁΈͰ͢ɻ
2ɿ"QQMFҎ֎ͷ$16ಉ͡੬ऑੑ͕͋Δ͔ ͍͍͑ɻ
2ɿͲ͏ͬͯࣗकΕ͍͍͔ །Ұͷղܾ๏7.Ͱ04Λ࣮ߦͤ͞Δ͜ͱͰ͢ɻ
2ɿͦͷղܾ๏ύϑΥʔϚϯεʹӨڹ͋Δ͔ ͍ɺ7.͔ͩΒ૬ͳύϑΥʔϚϯε͕ग़· ͢ɻ
2ɿͦΕͦ͏ͩͶ ͦ͏Ͱ͢Ͷɺ͔ͩΒ7.Ͱ04ಈ͔͢ͷΊ·͠ΐ ͏͔ɻ
2ɿ͜ͷ੬ऑੑ࣍ͷ"QQMF4JMMJDPOͰमਖ਼͞ ΕΔ͔ Ξοϓ ϧͷϓϥϯʹ͍ͭͯΓ·ͤΜ͕ɺҰൠత ͳ$16։ൃλΠϜϥΠϯ͔Βਪଌ͢Δʹগͳ͘ͱ ࣍ͷੈͷ"QQMF4JMMJDPO͜ͷ͕͋ΔՄೳ ੑ͕ߴ͍Ͱ͢ɺͨͩͦͷ͞Βʹ࣍ͷ$16ͳΒଟम ਖ਼͞ΕͯΔ͔͠Ε·ͤΜɻ
2ɿϚϧΣΞ͜ͷ੬ऑੑΛར༻ͯ͠ࢲͷ 1$ΛͬऔΔՄೳੑ͋Δ͔ ͍͍͑ɻ
2ɿϚϧΣΞ͜ͷ੬ऑੑΛར༻ͯ͠ࢲͷݸ ਓใΛ౪ΊΔ͔ ͍͍͑ɻ
2ɿϚϧΣΞ͜ͷ੬ऑੑΛར༻ͯ͠ࢲʹ 3JDLSPMMͱ͍͏ِϦϯΫΛ౿·ͤΔ͔ ͍ɺͱݴ͏ΑΓͦΕผʹ͜ͷ੬ऑੑΛΘͳ͘ ͯ؆୯ʹͰ͖ͪΌ͍·͢ɻ
2ɿ͜ͷ੬ऑੑʹΑͬͯ#BE#*04ʹײછ͞Ε ΔՄೳੑ͕͋Δ͔ ͍͍͑ɻ
2ɿ͑ʁ͜Εຊʹ࣮ࡏ͢Δ੬ऑੑͳͷʁ ͍ɻ
2ɿ͡Ό͋Կ͕ͳͷʁ ͋ͳͨͷ1$ʹطʹϚϧΣΞ͕જΜͩ߹ɺ͜ͷϚ ϧΣΞଞͷϚϧΣΞͱఆ֎ͷ௨৴͕ՄೳͰ ͢ɻ
2ɿͳΜͩ͜ΕͳΜ͔ͦΜͳʹେͨ͠͡Ό ͳͦ͞͏͡ΌΜ ͿͬͪΌ͚͜Εࠂձ͕ࣾ͜ͷ੬ऑੑΛͬͯΞϓ ϦؒͷτϥοΩϯάΛ͢Δํ͕ଟ൜ࡑʹ͏ΑΓ ༗ҙ͔ٛͱࢥ͍·͢͠ɺͦΕʹ"QQ4UPSFͰ৴͞ ΕͯΔΞϓϦͳΒ"QQMFΖ͏ͱ͢Ε͜Μͳѱ ߦΩϟονͰ͖·͢Αɻ
2ɿ͡Ό͋"15߈ܸʁ "15߈ܸͬͱผͷ͍͍͢खஈ͕͋Δ͔Β͜ Μͳ੬ऑੑͳΜͯ൴Βʹͱͬͯҙຯͳ͍Ͱ͢Ͷɻ
2ɿ͑ʁͭ·ΓԶ͜ͷΛؾʹ͖͢Ͱ ͳ͍ͱݴͬͯΔʁ ͍ɻ
2ɿͩͬͨΒ͜ͷ8FCϖʔδͷϙΠϯτ Կʁ ࠷ۙͷ17Ք͗ͷͨΊͷ੬ऑੑใࠂ͕ͲΜͳʹഅࣛ അ͍͔ࣛ͠Λᅑস͏ͨΊͰ͢ɻ͜Μͳʹཱͳ8FC ϖʔδ͕͋ͬͨΓ͋ͬͪͬͪ͜ͰχϡʔεʹͳͬͯΔ ͔Βͱ͍ͬͯɺͦΕΛຊؾͰؾʹ͖͢ͱݶΓ· ͤΜɻ
2ɿͱ͋ΔχϡʔεαΠτ͔Βདྷ͚ͨͲ͜͜· Ͱͷ͜ͱʹ͍ͭͯԿڭ͑ͯ͘Εͳ͔ͬͨͧʂ Ͱͨ͠ΒଟࠓޙͦͷχϡʔεαΠτΛಡΉͷΊ Δ͖Ͱ͢Ͷɺ൴Β͕͜ͷ8FCϖʔδͷ࠷ॳͷ ஈམ͚ͩಡΜͰΊͨͷͱಉ͡Α͏ʹɻ
2ɿχϡʔεαΠτ͕શ෦μϝͳͷ͔ ͦ͏Ͱͳ͍Ͱ͢ɺҰ෦ͷϝσΟΞهࣄॻ͘લʹ ͪΌΜͱࢲͱ࿈བྷͯ͠ϑΝΫτνΣοΫΛ͠·ͨ͠ͷ ͰΑ͘Ͱ͖ͯ·ͨ͠Αɻ
ੈͷதʹɺ17Ք͗ͷͨΊʹ ͍͔ʹͦ͏ͳλΠτϧ༰Ͱ ΓهࣄΛॻ͘هऀϨϙʔλʔ͕ ͨ͘͞Μ͍·͢ɻ
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} var employedBy = "YUMEMI Inc." var job = "iOS
Tech Lead" var favoriteLanguage = "Swift" var twitter = "@lovee" var qiita = "lovee" var github = "el-hoshino" var additionalInfo = """ 5ͷLTͳͷʹεϥΠυ͕50ຕۙ͋͘ΔΜͩͥʁ """ final class Me: Developable, Talkable {
͜ΕͰऴΘΓͱࢥͬͨʁ
·ͩ࣌ؒ͋Δ͔Β ऴΘΓͳΘ͚ͳ͍͡ΌΜ
2 IUUQTNSBDMFTDPN
2ɿ͜͠ͷόά͕ຊʹແͳΒɺͳΜͰ͜ Μͳ໘ͳ͜ͱͯ͠·ͰΣϒϖʔδΛ࡞ͬͨ ΓσϞಈըΛ্͛ͨΓ͢Δͷʁ ਖ਼͍͏ͱࢲ୯७ʹ.ͷ੬ऑੑΛར༻ͯ͠#BE "QQMFΛ࠶ੜ͔͚ͨͬͨͩ͠Ͱ͢ɺ͜Ε͕ͲΜͳʹ Ϋʔϧͳ͜ͱ͕୭͕ೝΊΔͰ͠ΐ͏ɻ
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IUUQTUTVJPLVDJSDVJUCBOEDBNQDPN