19% ืคื•ืŸ ื“ื™ ืฉืคึผื™ืฅ ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ ื˜ืึธืŸ ื ื™ื˜ ื”ืึธื‘ืŸ ืึท ื•ื•ืึธืจืฆืœ ืคึผืึทืจืึธืœ

ืœืขืฆื˜ืข ืฉื‘ืช, ืžืื™ 18, Jerry Gamblin ืคื•ืŸ Kenna Security ืึธืคึผื’ืขืฉื˜ืขืœื˜ ื“ื™ 1000 ืžืขืจืกื˜ ืคืึธืœืงืก ื‘ื™ืœื“ืขืจ ืคึฟื•ืŸ Docker Hub ืœื•ื™ื˜ ื“ื™ ืคึผืึทืจืึธืœ ื–ื™ื™ ื ื•ืฆืŸ ืคึฟืึทืจ ื“ื™ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ. ืื™ืŸ 19% ืคื•ืŸ ืงืึทืกืขืก ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืœื™ื™ื“ื™ืง.

19% ืคื•ืŸ ื“ื™ ืฉืคึผื™ืฅ ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ ื˜ืึธืŸ ื ื™ื˜ ื”ืึธื‘ืŸ ืึท ื•ื•ืึธืจืฆืœ ืคึผืึทืจืึธืœ

ื”ื™ื ื˜ืขืจื’ืจื•ื ื˜ ืžื™ื˜ ืึทืœืคึผื™ื™ืŸ

ื“ื™ ืกื™ื‘ื” ืคึฟืึทืจ ื“ื™ ืžื™ื ื™-ืฉื˜ื•ื“ื™ืข ืื™ื– ื’ืขื•ื•ืขืŸ ื“ื™ Talos ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื‘ืืจื™ื›ื˜ ื•ื•ืึธืก ืื™ื– ืืจื•ื™ืก ืคืจื™ืขืจ ื“ืขื ื—ื•ื“ืฉ (TALOS-2019-0782), ื“ื™ ืžื—ื‘ืจื™ื ืคื•ืŸ ื•ื•ืึธืก - ื“ืึทื ืง ืฆื• ื“ื™ ื•ืคื“ืขืงื•ื ื’ ืคื•ืŸ Peter Adkins ืคึฟื•ืŸ Cisco Umbrella - ื’ืขืžืืœื“ืŸ ืึทื– ื“ืึธืงืขืจ ื‘ื™ืœื“ืขืจ ืžื™ื˜ ื“ื™ ืคืึธืœืงืก ืึทืœืคึผื™ื™ืŸ ืงืึทื ื˜ื™ื™ื ืขืจ ืคืึทืจืฉืคึผืจื™ื™ื˜ื•ื ื’ ื˜ืึธืŸ ื ื™ื˜ ื”ืึธื‘ืŸ ืึท ื•ื•ืึธืจืฆืœ ืคึผืึทืจืึธืœ:

"ืึธืคื™ืฆื™ืขืœืข ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ ืึทืœืคึผื™ื™ืŸ ืœื™ื ื•ืงืก ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ (ืกื˜ืึทืจื˜ื™ื ื’ ืคื•ืŸ ื•ื•3.3) ืึทื ื˜ื”ืึทืœื˜ืŸ ืึท NULL ืคึผืึทืจืึธืœ ืคึฟืึทืจ ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ. ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ืืจื•ื™ืก ื•ื•ื™ ืึท ืจืขื–ื•ืœื˜ืึทื˜ ืคื•ืŸ ืึท ืจืึทื’ืจืขืฉืึทืŸ ื“ืขืจืœืื ื’ื˜ ืื™ืŸ ื“ืขืฆืขืžื‘ืขืจ 2015. ื“ื™ ืขืกืึทื ืก ื‘ื•ื™ืœื– ืึทืจืึธืคึผ ืฆื• ื“ื™ ืคืึทืงื˜ ืึทื– ืกื™ืกื˜ืขืžืขืŸ ื“ื™ืคึผืœื•ื™ื“ ืžื™ื˜ ืคึผืจืึธื‘ืœืขืžืึทื˜ื™ืง ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ ืึทืœืคึผื™ื™ืŸ ืœื™ื ื•ืงืก ืื™ืŸ ืึท ืงืึทื ื˜ื™ื™ื ืขืจ ืื•ืŸ ื ื™ืฆืŸ Linux PAM ืึธื“ืขืจ ืืŸ ืื ื“ืขืจ ืžืขืงืึทื ื™ื–ืึทื ื•ื•ืึธืก ื ื™ืฆื˜ ื“ื™ ืกื™ืกื˜ืขื ืฉืึธื˜ืŸ ื˜ืขืงืข ื•ื•ื™ ืึท ื“ืึทื˜ืึทื‘ื™ื™ืก ืคึฟืึทืจ ืึธื˜ืขื ื˜ืึทืงื™ื™ืฉืึทืŸ ืงืขื ืขืŸ ืึธื ื ืขืžืขืŸ ืึท ื ืึทืœ (ื ื•ืœ) ืคึผืึทืจืึธืœ ืคึฟืึทืจ ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ.

ื“ื™ ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ ืึทืœืคึผื™ื™ืŸ ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ ื˜ืขืกื˜ืขื“ ืคึฟืึทืจ ื“ืขื ืคึผืจืึธื‘ืœืขื ื–ืขื ืขืŸ 3.3-3.9 ื™ื ืงืœื•ืกื™ื•ื•, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ืœืขืฆื˜ืข ืžืขืœื“ื•ื ื’ ืคื•ืŸ ื‘ืจืขื’.

ื“ื™ ืžื—ื‘ืจื™ื ื’ืขืžืื›ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืจืขืงืึธืžืขื ื“ืึทืฆื™ืข ืฆื• ืึทืคืขืงื˜ืึทื“ ื™ื•ื–ืขืจื–:

"ื“ืขืจ ื•ื•ืึธืจืฆืœ ื—ืฉื‘ื•ืŸ ืžื•ื–ืŸ ื–ื™ื™ืŸ ื‘ืคื™ืจื•ืฉ ืคืึทืจืงืจื™ืคึผืœื˜ ืื™ืŸ ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ ื’ืขื‘ื•ื™ื˜ ืคึฟื•ืŸ ืคึผืจืึธื‘ืœืขืžืึทื˜ื™ืง ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ ืึทืœืคึผื™ื™ืŸ. ื“ื™ ืžืกืชึผืžื ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื“ื™ ืกื•ื•ื™ื•ื•ืข, ื•ื•ื™ื™ึทืœ ื–ื™ื™ึทืŸ ื”ืฆืœื—ื” ืจื™ืงื•ื•ื™ื™ืขืจื– ืึท ื•ื™ืกื•ื•ื™ื™ื ื™ืง ืคืึธืจื•ื•ืขืจื“ื™ื“ ื“ื™ื ืกื˜ ืึธื“ืขืจ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ื ื™ืฆืŸ Linux PAM ืึธื“ืขืจ ืื ื“ืขืจืข ืขื ืœืขืš ืžืขืงืึทื ื™ื–ืึทื.

ื“ื™ ืคึผืจืึธื‘ืœืขื ืื™ื– ื’ืขื•ื•ืขืŸ ื™ืœื™ืžืึทื ื™ื™ื˜ืึทื“ ืื™ืŸ ืึทืœืคึผื™ื™ืŸ ื•ื•ืขืจืกื™ืขืก 3.6.5, 3.7.3, 3.8.4, 3.9.2 ืื•ืŸ ื‘ืจืขื’ (20190228 ืžืึธืžืขื ื˜ื‘ื™ืœื“), ืื•ืŸ ืึธื•ื ืขืจื– ืคื•ืŸ ืึทืคืขืงื˜ืึทื“ ื‘ื™ืœื“ืขืจ ื–ืขื ืขืŸ ื’ืขื‘ืขื˜ืŸ ืฆื• ื‘ืึทืžืขืจืงืŸ ื“ื™ ืฉื•ืจื” ืžื™ื˜ ื•ื•ืึธืจืฆืœ ืื™ืŸ /etc/shadow ืึธื“ืขืจ ืžืึทื›ืŸ ื–ื™ื›ืขืจ ืึทื– ื“ื™ ืคึผืขืงืœ ืื™ื– ืคืขืœื ื“ื™ืง linux-pam.

ืคืืจื‘ืœื™ื‘ืŸ ืคื•ืŸ Docker Hub

ื“ื–ืฉืขืจื™ ื’ืึทืžื‘ืœื™ืŸ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืคืจืขื’ืŸ ื•ื•ืขื’ืŸ "ื•ื•ื™ ืคึผืจืึธืกื˜ ื“ื™ ืคื™ืจ ืคื•ืŸ ื ื™ืฆืŸ ื ืึทืœ ืคึผืึทืกื•ื•ืขืจื“ื– ืื™ืŸ ืงืึทื ื˜ื™ื™ื ืขืจื– ืงืขืŸ ื–ื™ื™ืŸ." ืฆื• ื˜ืึธืŸ ื“ืึธืก, ืขืจ ื’ืขืฉืจื™ื‘ืŸ ืึท ืงืœื™ื™ืŸ bash ืฉืจื™ืคื˜, ื“ื™ ืขืกืึทื ืก ืคื•ืŸ ื•ื•ืึธืก ืื™ื– ื–ื™ื™ืขืจ ืคึผืฉื•ื˜:

  • ื“ื•ืจืš ืึท ืงืขืจืœ ื‘ืขื˜ืŸ ืฆื• ื“ื™ API ืื™ืŸ Docker Hub, ืึท ืจืฉื™ืžื” ืคื•ืŸ ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ ื›ืึธื•ืกื˜ื™ื“ ื“ืึธืจื˜ ืื™ื– ืคืืจืœืื ื’ื˜;
  • ื“ื•ืจืš jq ืขืก ืกืึธืจื˜ื™ืจื˜ ืœื•ื™ื˜ ืคืขืœื“ popularity, ืื•ืŸ ืคื•ืŸ ื“ื™ ื‘ืืงื•ืžืขืŸ ืจืขื–ื•ืœื˜ืื˜ืŸ ื‘ืœื™ื™ื‘ืŸ ื“ื™ ืขืจืฉื˜ืข ื˜ื•ื™ื–ื ื˜;
  • ืคึฟืึทืจ ื™ืขื“ืขืจ ืคื•ืŸ ื–ื™ื™, docker pull;
  • ืคึฟืึทืจ ื™ืขื“ืขืจ ื‘ื™ืœื“ ื‘ืืงื•ืžืขืŸ ืคื•ืŸ Docker Hub, docker run ืœื™ื™ืขื ืขืŸ ืขืจืฉื˜ืขืจ ืฉื•ืจื” ืคื•ืŸ ื˜ืขืงืข /etc/shadow;
  • ืื•ื™ื‘ ื“ื™ ืฉื˜ืจื™ืงืœ ื•ื•ืขืจื˜ ืื™ื– ื’ืœื™ื™ึทืš ืฆื• root:::0:::::, ื“ื™ ื‘ื™ืœื“ ื ืึธืžืขืŸ ืื™ื– ื’ืขืจืื˜ืขื•ื•ืขื˜ ืฆื• ืึท ื‘ืึทื–ื•ื ื“ืขืจ ื˜ืขืงืข.

ื•ื•ืืก ืื™ื– ื’ืขืฉืขืŸ? ืื™ืŸ ื“ืขื ื˜ืขืงืข ืขืก ื–ืขื ืขืŸ ื’ืขื•ื•ืขืŸ 194 ืฉื•ืจื•ืช ืžื™ื˜ ื“ื™ ื ืขืžืขืŸ ืคื•ืŸ ืคืึธืœืงืก ื“ืึธืงืงืขืจ ื‘ื™ืœื“ืขืจ ืžื™ื˜ ืœื™ื ื•ืงืก ืกื™ืกื˜ืขืžืขืŸ, ืื™ืŸ ื•ื•ืึธืก ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ ื˜ื•ื˜ ื ื™ืฉื˜ ื”ืึธื‘ืŸ ืึท ืคึผืึทืจืึธืœ ืฉื˜ืขืœืŸ:

"ืฆื•ื•ื™ืฉืŸ ื“ื™ ืžืขืจืกื˜ ื‘ืึทืจื™ืžื˜ ื ืขืžืขืŸ ืื•ื™ืฃ ื“ืขืจ ืจืฉื™ืžื” ื–ืขื ืขืŸ ื’ืึธื•ื•ื•ืง / ืจืขื’ื™ืจื•ื ื’ ืคึผืึทืึทืก, ื”ืึทืฉื™ืงืึธืจืคึผ, ืžื™ืงืจืึธืกืึธืคื˜, ืžืึธื ืกืึทื ื˜ืึธ ืื•ืŸ ืžืขืกืึธืกืคืขืจืข. ืื•ืŸ kylemanna / openvpn ืื™ื– ื“ื™ ืžืขืจืกื˜ ืคืึธืœืงืก ืงืึทื ื˜ื™ื™ื ืขืจ ืื•ื™ืฃ ื“ืขืจ ืจืฉื™ืžื”, ืžื™ื˜ ืื™ื‘ืขืจ 10 ืžื™ืœื™ืึธืŸ ืคึผื•ืœื–.

ืึธื‘ืขืจ, ืขืก ืื™ื– ื•ื•ืขืจื˜ ืจื™ืงืึธืœื™ื ื’ ืึทื– ื“ื™ ื“ืขืจืฉื™ื™ื ื•ื ื’ ืื™ืŸ ื–ื™ืš ื˜ื•ื˜ ื ื™ืฉื˜ ืžื™ื™ื ืขืŸ ืึท ื“ื™ืจืขืงื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ื“ื™ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืคื•ืŸ ื“ื™ ืกื™ืกื˜ืขืžืขืŸ ื•ื•ืึธืก ื ื•ืฆืŸ ื–ื™ื™: ืขืก ืึทืœืข ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื•ื•ื™ ืคึผื•ื ืงื˜ ื–ื™ื™ ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜. (ื–ืขืŸ ื‘ืึทืžืขืจืงื•ื ื’ ืคื•ืŸ ืึทืœืคึผื™ื™ืŸ ืคืึทืœ ืื•ื™ื‘ืŸ). ืึธื‘ืขืจ, ืžื™ืจ ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ืคื™ืœืข ืžืึธืœ ื’ืขื–ืขืŸ ื“ื™ "ืžืึธืจืึทืœื™ืฉ ืคื•ืŸ ื“ืขื ื’ืขืฉื™ื›ื˜ืข": ืงืœืึธืจ ืคึผืึทืฉื˜ืขืก ืึธืคื˜ ื”ืื˜ ืึท ื“ืึทื•ื ืกื™ื™ื“, ื•ื•ืึธืก ืื™ืจ ื–ืึธืœ ืฉื˜ืขื ื“ื™ืง ื’ืขื“ืขื ืงืขืŸ ืื•ืŸ ื ืขืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ื“ื™ ืงืึทื ืกืึทืงื•ื•ืขื ืกืึทื– ืคื•ืŸ ื•ื•ืึธืก ืื™ืŸ ื“ื™ื™ืŸ ืกื™ื ืขืจื™ืึธื•ื– ืคึฟืึทืจ ื ื™ืฆืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข.

ืคึผืก

ืœื™ื™ืขื ืขืŸ ืื•ื™ืš ืื•ื™ืฃ ืื•ื ื“ื–ืขืจ ื‘ืœืึธื’:

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’