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Old 04.01.2018, 10:20   #261
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Quote:
Vesti sumbre...
E cumva vorba de noile procesoare, sau de noile kernel uri? Sigur nu e o ştire "virusată" ? Asta s-ar putea, se mai practică printre afaceriști, AMD-urile se vând mai greu cumva? Cum Intel a fost adoptat şi de Mac, ăia de ce tac?
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Old 04.01.2018, 12:57   #262
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Nu e vorba de noile procesoare, se pare că am trăit cu acel bug un deceniu şi jumatate.

http://appleinsider.com/articles/18/...-security-flaw
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Old 04.01.2018, 14:05   #263
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Este vorba de aproape toate procesoarele,cel putin asa spune Intel pe pagina lor:
Affected products:
1st, 2nd, 3rd, 4th, 5th, 6th, 7th & 8th Generation Intel® Core™ Processor Family
Intel® Xeon® Processor E3-1200 v5 & v6 Product Family
Intel® Xeon® Processor Scalable Family
Intel® Xeon® Processor W Family
Intel® Pentium® Processor G Series
Intel® Atom® C3000 Processor Family
Apollo Lake Intel® Atom Processor E3900 series
Apollo Lake Intel® Pentium™
Celeron™ G, N and J series Processors
https://security-center.intel.com/ad...nguageid=en-fr
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Old 07.01.2018, 00:10   #264
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Acuma, io unu' nu mi-as face prea multe probleme: un atac meltdown sau spectre nu se face remote (si asta chiar ma linisteste cel mai tare) ci are loc local, prin rularea (implicit incarcarea in RAM) a unui binar. Faza cea mai de cacao e cu javascript , dar un addon de scriptblock pe browser te scuteste de dureri de cap (nu ca asta ar fi ceva nou...). Atat java cat si flash-ul sunt istorie, deci nu le iau in considerare.

Iaca in detaliu meltdown si spectre. A se remarca Fig. 6 si Listing 4 din articolul meltdown. Pe cine-l mananca-n c*r sa salveze parole in browser, na la tata ! Da' asta nu-i vina lu' Intel...

Personal nu ma prea afecteaza: pe linux (idem si in cazul *BSD) cu updates la zi nu rulez la plezneala orice binar imi pica la download, asa ca nu vad unde-i brusc marele risc... Pe serverele care le am in grija, cu atat mai putin. Windoaza nu folosesc, asa ca am scapat de o grija. Desi, pe windoaza nu-i absolut nicio problema, si asta din 2 motive:
1) userii de windoze cu licenta, soft cu licenta, etc... sunt oricum expusi la backdoor-urile de la M$; ar fi tampit Billy sa se chinuie cu ghicit mapping de memorie cand are ditamai frumusetea de keylogger la dispozitie in win10, asta pe langa alte "ciocolăţele" ascunse pe-acolo.
2) userii de windoaza si soft cracuit ... He he he ... Meltdown si spectre sunt doar 2 paduchi pe langa ditamai râia pe care o au in sistem

Faza nasoala cu meltdown si spectre e pentru providerii de servicii VPS, cloud, SaaS (software as a service), etc. Aici chiar e nasol, oricine poate rula orice intr-un sistem guest pe care l-a inchiriat, si daca reuseste sa treaca peste hypervisor (na, bug hardware...) si ajunge sa citeasca memoria masinii host, atunci sa vezi distractie cu toate celelalte guest-uri ce ruleaza in paralel... Naspa !
In fine, cata vreme io unu' nu folosesc asa ceva, ma cam doare-n cot; nu-i problema mea...

Later edit: ar mai fi ARM-ul, da' na, oricum Android-ul e scapat de mult de sub control dpdv security; ma cam doare-n caşchetă, ca oricum nu stochez date valoroase pe telefon.
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Old 08.01.2018, 19:39   #265
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Gata M$ a "rezolvat" aceste breșe de securitate pentru sistemele cu procesoare AMD, numai trec de logo-ul de startup. Super nu?!

It gets worse: Microsoft’s Spectre-fixer bricks some AMD PCs
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Old 09.01.2018, 01:08   #266
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E bun M$ ! Se pare ca vrea cu tot dinadinsul ca userii de windoze sa stea cu PC-ul stins, doar asa vor fi 100% protejati de orice fel de bug, fie el soft sau hardware.
Ce consecinte are KB4056892:
1) KB4056892 won’t install (sa zica merci userii care au avut eroarea asta )
2) Browsers crash
3) Certain apps and programs fail to work
4) KB4056892 bricks or locks up computers
5) The app list is unavailable (asta-i bestiala, degeaba mai dai click pe butonu' de "start", ciuciu lista cu programele instalate ).

Numa' bunatati... Iac-asa isi invata M$ userii ca mai bine stau cu vulnerabilitatea; daca incearca sa repare ceva, apai injura de le sar fulgii...
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