ืžืขืœื“ื•ื ื’ ืคื•ืŸ Bubblewrap 0.8, ืึท ืฉื™ื›ื˜ืข ืคึฟืึทืจ ืงืจื™ื™ื™ื˜ื™ื ื’ ืืคื’ืขื–ื•ื ื“ืขืจื˜ ื™ื ื•ื•ื™ื™ืจืึทื ืžืึทื ืฅ

ื ืžืขืœื“ื•ื ื’ ืคื•ืŸ ืžื›ืฉื™ืจื™ื ืคึฟืึทืจ ืึธืจื’ืึทื ื™ื™ื–ื™ื ื’ ื“ื™ ืึทืจื‘ืขื˜ ืคื•ืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ ื™ื ื•ื•ื™ื™ืจืึทื ืžืึทื ืฅ Bubblewrap 0.8 ืื™ื– ื‘ื ื™ืžืฆื, ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื’ืขื ื™ืฆื˜ ืฆื• ื‘ืึทื’ืจืขื ืขืฆืŸ ื™ื—ื™ื“ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ืคื•ืŸ ืึทื ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉื“ ื ื™ืฆืขืจืก. ืื™ืŸ ืคื™ืจ, Bubblewrap ืื™ื– ื’ืขื ื™ืฆื˜ ื“ื•ืจืš ื“ื™ Flatpak ืคึผืจื•ื™ืขืงื˜ ื•ื•ื™ ืึท ืฉื™ื›ื˜ืข ืฆื• ื™ื–ืึธืœื™ืจืŸ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ืœืึธื ื˜ืฉื˜ ืคึฟื•ืŸ ืคึผืึทืงืึทื“ื–ืฉืึทื–. ื“ื™ ืคึผืจื•ื™ืขืงื˜ ืงืึธื“ ืื™ื– ื’ืขืฉืจื™ื‘ืŸ ืื™ืŸ C ืื•ืŸ ืื™ื– ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ ืื•ื ื˜ืขืจ ื“ื™ LGPLv2+ ื“ืขืจืœื•ื™ื‘ืขื ื™ืฉ.

ืคึฟืึทืจ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜, ื˜ืจืื“ื™ืฆื™ืื ืขืœืŸ ืœื™ื ื•ืงืก ืงืึทื ื˜ื™ื™ื ืขืจ ื•ื•ื™ืจื˜ื•ืึทืœื™ื–ืึทื˜ื™ืึธืŸ ื˜ืขืงื ืึทืœืึทื“ื–ืฉื™ื– ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜, ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืงื’ืจื•ืคึผืก, ื ืึทืžืขืกืคึผืึทืกืขืก, Secomp ืื•ืŸ SELinux. ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืคึผืจื™ื•ื•ืœื™ื“ื–ืฉื“ ืึทืคึผืขืจื™ื™ืฉืึทื ื– ืฆื• ืงืึทื ืคื™ื’ื™ืขืจ ืึท ืงืึทื ื˜ื™ื™ื ืขืจ, Bubblewrap ืื™ื– ืœืึธื ื˜ืฉื˜ ืžื™ื˜ ื•ื•ืึธืจืฆืœ ืจืขื›ื˜ (ืึทืŸ ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื˜ืขืงืข ืžื™ื˜ ืึท ืกื•ื™ื“ ืคืึธืŸ) ืื•ืŸ ื“ืขืžืึธืœื˜ ืจื™ืกืขืฅ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ื ืึธืš ื“ืขื ืงืึทื ื˜ื™ื™ื ืขืจ ืื™ื– ื™ื ื™ืฉืึทืœื™ื™ื–ื“.

ืึทืงื˜ืึทื•ื•ื™ื™ืฉืึทืŸ ืคื•ืŸ ื‘ืึทื ื™ืฆืขืจ ื ืึทืžืขืกืคึผืึทืกืขืก ืื™ืŸ ื“ื™ ื ืึทืžืขืกืคึผืึทืกืข ืกื™ืกื˜ืขื, ื•ื•ืึธืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ื ื•ืฆืŸ ื“ื™ื™ืŸ ืื™ื™ื’ืขื ืข ื‘ืึทื–ื•ื ื“ืขืจ ื’ืึทื ื’ ืคื•ืŸ ืื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ืื™ืŸ ืงืึทื ื˜ื™ื™ื ืขืจื–, ืื™ื– ื ื™ืฉื˜ ืคืืจืœืื ื’ื˜ ืคึฟืึทืจ ืึธืคึผืขืจืึทืฆื™ืข, ื•ื•ื™ื™ึทืœ ืขืก ืึทืจื‘ืขื˜ ื ื™ืฉื˜ ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜ ืื™ืŸ ืคื™ืœืข ื“ื™ืกื˜ืจื™ื‘ื™ื•ืฉืึทื ื– (Bubblewrap ืื™ื– ืคึผืึทื–ื™ืฉืึทื ื“ ื•ื•ื™ ืึท ืœื™ืžื™ื˜ืขื“ ืกื•ื™ื“ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ืึท ืกื•ื‘ืกืขื˜ ืคื•ืŸ ื‘ืึทื ื™ืฆืขืจ ื ืึทืžืขืกืคึผืึทืกืขืก ืงื™ื™ืคึผืึทื‘ื™ืœืึทื˜ื™ื– - ืฆื• ื•ื™ืกืฉืœื™ืกืŸ ืึทืœืข ื‘ืึทื ื™ืฆืขืจ ืื•ืŸ ืคึผืจืึธืฆืขืก ื™ื“ืขื ื˜ื™ืคื™ืขืจืก ืคื•ืŸ ื“ื™ ืกื•ื•ื™ื•ื•ืข, ืึทื—ื•ืฅ ื“ืขื ืงืจืึทื ื˜, ื“ื™ CLONE_NEWUSER ืื•ืŸ CLONE_NEWPID ืžืึธื“ืขืก ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜). ืคึฟืึทืจ ื ืึธืš ืฉื•ืฅ, ืžื’ื™ืœื” ืขืงืกืึทืงื™ื•ื˜ืึทื“ ืื•ื ื˜ืขืจ Bubblewrap ื–ืขื ืขืŸ ืœืึธื ื˜ืฉื˜ ืื™ืŸ ื“ื™ PR_SET_NO_NEW_PRIVS ืžืึธื“ืข, ื•ื•ืึธืก ืคึผืจืึธื•ื›ื™ื‘ืึทืฅ ื“ื™ ืึทืงื•ื•ืึทื–ื™ืฉืึทืŸ ืคื•ืŸ ื ื™ื™ึท ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–, ืœืžืฉืœ, ืื•ื™ื‘ ื“ื™ ืกืขื˜ื•ื™ื“ ืคืึธืŸ ืื™ื– ืคืึธืจืฉื˜ืขืœืŸ.

ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜ ืื™ืŸ ื“ืขืจ ื˜ืขืงืข ืกื™ืกื˜ืขื ืžื“ืจื’ื” ืื™ื– ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ื“ื•ืจืš ืงืจื™ื™ื™ื˜ื™ื ื’ ืึท ื ื™ื™ึท ืึธื ืงืœืึทืคึผืŸ ื ืึทืžืขืกืคึผืึทืกืข ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜, ืื™ืŸ ื•ื•ืึธืก ืึท ืœื™ื™ื“ื™ืง ื•ื•ืึธืจืฆืœ ืฆืขื˜ื™ื™ืœื•ื ื’ ืื™ื– ื‘ืืฉืืคืŸ ืžื™ื˜ tmpfs. ืื•ื™ื‘ ื ื™ื™ื˜ื™ืง, ืคื•ื ื“ืจื•ื™ืกื ื“ื™ืง FS ืคึผืึทืจื˜ื™ืฉืึทื ื– ื–ืขื ืขืŸ ืึทื˜ืึทื˜ืฉื˜ ืฆื• ื“ืขื ืฆืขื˜ื™ื™ืœื•ื ื’ ืื™ืŸ ื“ื™ "ื‘ืืจื’ -ื‘ื™ื ื“ืŸ" ืžืึธื“ืข (ืœืžืฉืœ, ื•ื•ืขืŸ ืœืึธื ื˜ืฉื˜ ืžื™ื˜ ื“ื™ "bwrap -ro-bind /usr /usr" ืึธืคึผืฆื™ืข, ื“ื™ /usr ืฆืขื˜ื™ื™ืœื•ื ื’ ืื™ื– ืคืึธืจื•ื•ืขืจื“ื™ื“ ืคึฟื•ืŸ ื“ื™ ื”ื•ื™ืคึผื˜ ืกื™ืกื˜ืขื ืื™ืŸ ืœื™ื™ื ืขืŸ-ื‘ืœื•ื™ื– ืžืึธื“ืข). ื ืขืฅ ืงื™ื™ืคึผืึทื‘ื™ืœืึทื˜ื™ื– ื–ืขื ืขืŸ ืœื™ืžื™ื˜ืขื“ ืฆื• ืึทืงืกืขืก ืฆื• ื“ื™ ืœื•ืคึผื‘ืึทืงืง ืฆื•ื‘ื™ื ื“ ืžื™ื˜ ื ืขืฅ ืึธื ืœื™ื™ื’ืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜ ื“ื•ืจืš ื“ื™ CLONE_NEWNET ืื•ืŸ CLONE_NEWUTS ืคืœืึทื’ืก.

ื“ืขืจ ืฉืœื™ืกืœ ื—ื™ืœื•ืง ืคื•ืŸ ื“ื™ ืขื ืœืขืš Firejail ืคึผืจื•ื™ืขืงื˜, ื•ื•ืึธืก ืื•ื™ืš ื ื™ืฆื˜ ื“ื™ ืกืขื˜ื•ื™ื“ ืงืึทื˜ืขืจ ืžืึธื“ืขืœ, ืื™ื– ืึทื– ืื™ืŸ Bubblewrap ื“ื™ ืงืึทื ื˜ื™ื™ื ืขืจ ืฉื™ื›ื˜ืข ืฉื™ื›ื˜ืข ื™ื ืงืœื•ื“ื– ื‘ืœื•ื™ื– ื“ื™ ื ื•ื™ื˜ื™ืง ืžื™ื ื™ืžื•ื ืงื™ื™ืคึผืึทื‘ื™ืœืึทื˜ื™ื–, ืื•ืŸ ืึทืœืข ื“ื™ ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืคืึทื ื’ืงืฉืึทื ื– ื ื™ื™ื˜ื™ืง ืคึฟืึทืจ ืคืœื™ืกื ื“ื™ืง ื’ืจืึทืคื™ืงืก ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–, ื™ื ื˜ืขืจืึทืงื˜ื™ื ื’ ืžื™ื˜ ื“ื™ ื“ืขืกืงื˜ืึทืคึผ ืื•ืŸ ืคื™ืœื˜ืขืจ ืจื™ืงื•ื•ืขืก. ืฆื• Pulseaudio, ื˜ืจืึทื ืกืคืขืจื“ ืฆื• ื“ื™ ืคืœืึทื˜ืคึผืึทืง ื–ื™ื™ึทื˜ ืื•ืŸ ืขืงืกืึทืงื™ื•ื˜ืึทื“ ื ืึธืš ื“ื™ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ื–ืขื ืขืŸ ื‘ืึทืฉื˜ืขื˜ื™ืง. Firejail, ืื•ื™ืฃ ื“ื™ ืื ื“ืขืจืข ื”ืึทื ื˜, ืงืึทืžื‘ื™ื™ื ื– ืึทืœืข ื“ื™ ืคึฟืึทืจื‘ื•ื ื“ืขื ืข ืคืึทื ื’ืงืฉืึทื ื– ืื™ืŸ ืื™ื™ืŸ ืขืงืกืขืงื•ื˜ืึทื‘ืœืข ื˜ืขืงืข, ื•ื•ืึธืก ืžืื›ื˜ ืขืก ืฉื•ื•ืขืจ ืฆื• ืงืึธื ื˜ืจืึธืœื™ืจืŸ ืื•ืŸ ื”ืึทืœื˜ืŸ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืื•ื™ืฃ ื“ื™ ื’ืขื”ืขืจื™ืง ืžื“ืจื’ื”.

ืื™ืŸ ื“ื™ ื ื™ื™ึทืข ืžืขืœื“ื•ื ื’:

  • ะ”ะพะฑะฐะฒะปะตะฝะฐ ะพะฟั†ะธั ยซโ€”disable-usernsยป ะพั‚ะบะปัŽั‡ะฐัŽั‰ะฐั ัะพะทะดะฐะฝะธะต ะฒ sandbox-ะพะบั€ัƒะถะตะฝะธะธ ัะฒะพะตะณะพ ะฒะปะพะถะตะฝะฝะพะณะพ ะฟั€ะพัั‚ั€ะฐะฝัั‚ะฒะฐ ะธะดะตะฝั‚ะธั„ะธะบะฐั‚ะพั€ะพะฒ ะฟะพะปัŒะทะพะฒะฐั‚ะตะปะตะน (user namespace).
  • ะ”ะพะฑะฐะฒะปะตะฝะฐ ะพะฟั†ะธั ยซโ€”assert-userns-disabledยป ะดะปั ะฟั€ะพะฒะตั€ะบะธ, ั‡ั‚ะพ ะฟั€ะธ ะธัะฟะพะปัŒะทะพะฒะฐะฝะธะธ ะพะฟั†ะธะธ ยป โ€”disable-usernsยป ะทะฐะดะตะนัั‚ะฒะพะฒะฐะฝะพ ััƒั‰ะตัั‚ะฒัƒัŽั‰ะตะต ะฟั€ะพัั‚ั€ะฐะฝัั‚ะฒะพ ะธะดะตะฝั‚ะธั„ะธะบะฐั‚ะพั€ะพะฒ ะฟะพะปัŒะทะพะฒะฐั‚ะตะปะตะน.
  • ะŸะพะฒั‹ัˆะตะฝะฐ ะธะฝั„ะพั€ะผะฐั‚ะธะฒะฝะพัั‚ัŒ ัะพะพะฑั‰ะตะฝะธะน ะพะฑ ะพัˆะธะฑะบะฐั…, ัะฒัะทะฐะฝะฝั‹ั… ั ะพั‚ะบะปัŽั‡ะตะฝะธะตะผ ะฒ ัะดั€ะต ะฝะฐัั‚ั€ะพะตะบ CONFIG_SECCOMP ะธ CONFIG_SECCOMP_FILTER.

ืžืงื•ืจ: opennet.ru

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