2 ื“ืึธืก ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ื–ืขื ืขืŸ ื™ื™ื“ืขื ืึทืคื™ื™ื“ ืื™ืŸ ืคืึทืจืฉื™ื“ืŸ ื™ืžืคึผืœืึทืžืึทื ืฅ ืคื•ืŸ ื“ื™ HTTP/8 ืคึผืจืึธื˜ืึธืงืึธืœ

ืจืขืกืขืึทืจื˜ืฉืขืจืก ืคื•ืŸ Netflix ืื•ืŸ Google ืื ื˜ืคืœืขืงื˜ ืขืก ื–ืขื ืขืŸ ืึทื›ื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืื™ืŸ ืคืึทืจืฉื™ื“ืŸ ื™ืžืคึผืœืึทืžืึทื ืฅ ืคื•ืŸ ื“ื™ HTTP/2 ืคึผืจืึธื˜ืึธืงืึธืœ ื•ื•ืึธืก ืงืขื ืขืŸ ืึธื ืžืึทื›ืŸ ืึท ืึธืคึผืœื™ื™ืงืขื ื•ื ื’ ืคื•ืŸ ื“ื™ื ืกื˜ ื“ื•ืจืš ืฉื™ืงืŸ ืึท ื˜ื™ื™ึทืš ืคื•ืŸ ื ืขืฅ ืจื™ืงื•ื•ืขืก ืื™ืŸ ืึท ื–ื™ื›ืขืจ ื•ื•ืขื’. ื“ืขืจ ืคึผืจืึธื‘ืœืขื ืึทืคืขืงืฅ ืจื•ื‘ึฟ ื”ื˜ื˜ืคึผ ืกืขืจื•ื•ืขืจืก ืžื™ื˜ HTTP / 2 ืฉื˜ื™ืฆืŸ ืฆื• ืขื˜ืœืขื›ืข ื’ืจืึทื“ ืื•ืŸ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืื™ืŸ ื“ืขืจ ืึทืจื‘ืขื˜ืขืจ ืคืœื™ืกื ื“ื™ืง ืื•ื™ืก ืคื•ืŸ ื–ื›ึผืจื•ืŸ ืึธื“ืขืจ ืงืจื™ื™ื™ื˜ื™ื ื’ ืฆื• ืคื™ืœ ืงืคึผื• ืžืึทืกืข. ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงื•ื ื’ืขืŸ ื•ื•ืึธืก ืขืœื™ืžื™ื ื™ืจืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ื–ืขื ืขืŸ ืฉื•ื™ืŸ ื“ืขืจืœืื ื’ื˜ ืื™ืŸ nginx 1.16.1/1.17.3 ะธ ื”2ืึธ 2.2.6, ืึธื‘ืขืจ ืคึฟืึทืจ ืื™ืฆื˜ ื ื™ื˜ ื‘ื ื™ืžืฆื ืคึฟืึทืจ ืึทืคึผืึทื˜ืฉื™ ื”ื˜ื˜ืคึผื“ ืื•ืŸ ืื ื“ืขืจืข ืคึผืจืึธื“ื•ืงื˜ืŸ.

ื“ื™ ืคึผืจืึธื‘ืœืขืžืก ืจื™ื–ืึทืœื˜ื™ื“ ืคื•ืŸ ืงืึทืžืคึผืœืึทืงื™ื™ืฉืึทื ื– ื™ื ื˜ืจืึธื•ื“ื•ืกื˜ ืื™ืŸ ื“ื™ ื”ื˜ื˜ืคึผ / 2 ืคึผืจืึธื˜ืึธืงืึธืœ ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื‘ื™ื™ื ืขืจื™ ืกื˜ืจืึทืงื˜ืฉืขืจื–, ืึท ืกื™ืกื˜ืขื ืคึฟืึทืจ ืœื™ืžื™ื˜ื™ื ื’ ื“ืึทื˜ืŸ ืคืœืึธื•ื– ืื™ืŸ ืงืึทื ืขืงืฉืึทื ื–, ืึท ืœื•ื™ืคืŸ ืคึผืจื™ื™ืึธืจืึทื˜ื™ื™ื–ื™ื™ืฉืึทืŸ ืžืขืงืึทื ื™ื–ืึทื ืื•ืŸ ื“ื™ ื‘ื™ื™ึทื–ื™ื™ึทืŸ ืคื•ืŸ ICMP-ื•ื•ื™ ืงืึธื ื˜ืจืึธืœ ืึทืจื˜ื™ืงืœืขืŸ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืื™ืŸ ื“ื™ ื”ื˜ื˜ืคึผ / 2 ืงืฉืจ ืžื“ืจื’ื” (ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืคึผื™ื ื’, ื‘ืึทืฉื˜ืขื˜ื™ืง ืื•ืŸ ืœื•ื™ืคืŸ ืกืขื˜ื˜ื™ื ื’ืก). ืคื™ืœืข ื™ืžืคึผืœืึทืžืึทื ืฅ ื”ืึธื‘ืŸ ื ื™ืฉื˜ ืจืขื›ื˜ ื‘ืึทื’ืจืขื ืขืฆืŸ ื“ื™ ืœื•ื™ืคืŸ ืคื•ืŸ ืงืึธื ื˜ืจืึธืœ ืึทืจื˜ื™ืงืœืขืŸ, ื ื™ืฉื˜ ื™ืคื™ืฉืึทื ื˜ืœื™ ืคื™ืจืŸ ื“ื™ ื‘ื™ืœื›ืขืจืงื™ื™ึทื˜ ืจื™ื™ ื•ื•ืขืŸ ืคึผืจืึทืกืขืกื™ื ื’ ืจื™ืงื•ื•ืขืก, ืึธื“ืขืจ ื’ืขื•ื•ื™ื™ื ื˜ ืกื•ื‘ืึธืคึผื˜ื™ืžืึทืœ ื™ืžืคึผืœืึทืžืึทื ืฅ ืคื•ืŸ ืœื•ื™ืคืŸ ืงืึธื ื˜ืจืึธืœ ืึทืœื’ืขืจื™ื“ืึทืžื–.

ืจื•ื‘ึฟ ืคื•ืŸ ื“ื™ ื™ื™ื“ืขื ืึทืคื™ื™ื“ ืึทื˜ืึทืง ืžืขื˜ื”ืึธื“ืก ืงื•ืžืขืŸ ืึทืจืึธืคึผ ืฆื• ืฉื™ืงืŸ ื–ื™ื›ืขืจ ืจื™ืงื•ื•ืขืก ืฆื• ื“ื™ ืกืขืจื•ื•ืขืจ, ื•ื•ืึธืก ืคื™ืจืŸ ืฆื• ื“ื™ ื“ื•ืจ ืคื•ืŸ ืึท ื’ืจื•ื™ืก ื ื•ืžืขืจ ืคื•ืŸ ืจืขืกืคึผืึธื ืกืขืก. ืื•ื™ื‘ ื“ืขืจ ืงืœื™ืขื ื˜ ืงืขืŸ ื ื™ืฉื˜ ืœื™ื™ืขื ืขืŸ ื“ื™ ื“ืึทื˜ืŸ ืคื•ืŸ ื“ื™ ื›ืึธืœืขืœ ืื•ืŸ ื ื™ืฉื˜ ืคืึทืจืžืึทื›ืŸ ื“ื™ ืงืฉืจ, ื“ื™ ืจื™ืกืคึผืึทื ืกืึทื‘ื™ืœืึทื˜ื™ื– ืคื•ืŸ ื“ื™ ื‘ืึทืคืขืจื™ื ื’ ืจื™ื™ ืื•ื™ืฃ ื“ื™ ืกืขืจื•ื•ืขืจ ื–ื™ื™ึทื˜ ืงืึทื ื˜ื™ื ื™ื•ืึทืกืœื™ ืคื™ืœื–. ื“ืขื ืึธืคึผืคื™ืจื•ื ื’ ืงืจื™ื™ื™ืฅ ืึท ืžืึทืกืข ืื•ื™ืฃ ื“ื™ ืจื™ื™ ืคืึทืจื•ื•ืึทืœื˜ื•ื ื’ ืกื™ืกื˜ืขื ืคึฟืึทืจ ืคึผืจืึทืกืขืกื™ื ื’ ื ืขืฅ ืงืึทื ืขืงืฉืึทื ื– ืื•ืŸ, ื“ื™ืคึผืขื ื“ื™ื ื’ ืื•ื™ืฃ ื“ื™ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคึฟืขื™ึดืงื™ื™ื˜ืŸ, ืคื™ืจื˜ ืฆื• ื“ื™ ื™ื’ื–ืึธืกื˜ืฉืึทืŸ ืคื•ืŸ ื‘ื ื™ืžืฆื ื–ื™ืงืึธืจืŸ ืึธื“ืขืจ ืงืคึผื• ืจืขืกื•ืจืกืŸ.

ื™ื™ื“ืขื ืึทืคื™ื™ื“ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื–:

  • CVE-2019-9511 (Data Dribble) - ืึท ืึทื˜ืึทืงืขืจ ืจื™ืงื•ื•ืขืก ืึท ื’ืจื•ื™ืก ืกื•ืžืข ืคื•ืŸ โ€‹โ€‹ื“ืึทื˜ืŸ ืื™ืŸ ืงื™ื™ืคืœ ืคึฟืขื“ืขื ื“ื•ืจืš ืžืึทื ื™ืคึผื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ืกืœื™ื™ื“ื™ื ื’ ืคึฟืขื ืฆื˜ืขืจ ื’ืจื™ื™ืก ืื•ืŸ ืคืึธื“ืขื ื‘ื™ืœื›ืขืจืงื™ื™ึทื˜, ืฆื•ื•ื™ื ื’ืขืŸ ื“ื™ ืกืขืจื•ื•ืขืจ ืฆื• ืจื™ื™ ื“ื™ ื“ืึทื˜ืŸ ืื™ืŸ 1-ื‘ื™ื˜ืข ื‘ืœืึทืงืก;
  • CVE-2019-9512 (Ping Flood) - ืึทืŸ ืึทื˜ืึทืงืขืจ ืงืึทื ื˜ื™ื ื™ื•ืึทืกืœื™ ืคึผื•ื™ื–ืึทื ื– ืคึผื™ื ื’ ืึทืจื˜ื™ืงืœืขืŸ ืื™ื‘ืขืจ ืึท ื”ื˜ื˜ืคึผ / 2 ืคึฟืึทืจื‘ื™ื ื“ื•ื ื’, ื•ื•ืึธืก ืคืึทืจืฉืึทืคืŸ ื“ื™ ื™ื ืขืจืœืขืš ืจื™ื™ ืคื•ืŸ ื’ืขืฉื™ืงื˜ ืจืขืกืคึผืึธื ืกืขืก ืฆื• ืžื‘ื•ืœ ืื•ื™ืฃ ื“ื™ ืื ื“ืขืจืข ื–ื™ื™ึทื˜;
  • CVE-2019-9513 (ืจื™ืกืึธืจืก ืœื•ืคึผ) - ืึท ืึทื˜ืึทืงืขืจ ืงืจื™ื™ื™ืฅ ืงื™ื™ืคืœ ื‘ืขื˜ืŸ ืคึฟืขื“ืขื ืื•ืŸ ืงืึทื ื˜ื™ื ื™ื•ืึทืกืœื™ ืขื ื“ืขืจื•ื ื’ืขืŸ ื“ื™ ื‘ื™ืœื›ืขืจืงื™ื™ึทื˜ ืคื•ืŸ ื“ื™ ืคึฟืขื“ืขื, ื•ื•ืึธืก ื’ืขืคึฟื™ืจื˜ ื“ื™ ื‘ื™ืœื›ืขืจืงื™ื™ึทื˜ ื‘ื•ื™ื ืฆื• ืฉืึทืจืŸ;
  • CVE-2019-9514 (ื‘ืึทืฉื˜ืขื˜ื™ืง ืžื‘ื•ืœ) - ืึท ืึทื˜ืึทืงืขืจ ืงืจื™ื™ื™ืฅ ืงื™ื™ืคืœ ืคึฟืขื“ืขื
    ืื•ืŸ ืกืขื ื“ื– ืึท ืคืึทืจืงืจื™ืคึผืœื˜ ื‘ืขื˜ืŸ ื“ื•ืจืš ื™ืขื“ืขืจ ืคืึธื“ืขื, ืงืึธื–ื™ื ื’ ื“ื™ ืกืขืจื•ื•ืขืจ ืฆื• ืฉื™ืงืŸ RST_STREAM ืจืึธืžืขืŸ, ืึธื‘ืขืจ ื ื™ืฉื˜ ืึธื ื ืขืžืขืŸ ื–ื™ื™ ืฆื• ืคึผืœืึธืžื‘ื™ืจืŸ ื“ื™ ืขื ื˜ืคืขืจ ืจื™ื™;

  • CVE-2019-9515 (ืกืขื˜ื˜ื™ื ื’ืก ืžื‘ื•ืœ) - ื“ืขืจ ืึทื˜ืึทืงืขืจ ืกืขื ื“ื– ืึท ื˜ื™ื™ึทืš ืคื•ืŸ ืœื™ื™ื“ื™ืง "ืกืขื˜ื˜ื™ื ื’ืก" ืจืึธืžืขืŸ, ืื™ืŸ ืขื ื˜ืคืขืจ ืฆื• ื•ื•ืึธืก ื“ืขืจ ืกืขืจื•ื•ืขืจ ืžื•ื–ืŸ ื‘ืึทืฉื˜ืขื˜ื™ืงืŸ ื“ื™ ืงืึทื‘ืึธืœืข ืคื•ืŸ โ€‹โ€‹ื™ืขื“ืขืจ ื‘ืงืฉื”;
  • CVE-2019-9516 (0-ืœืขื ื’ ื›ืขื“ืขืจื– ืจื™ื ืขืŸ) - ืึท ืึทื˜ืึทืงืขืจ ืกืขื ื“ื– ืึท ื˜ื™ื™ึทืš ืคื•ืŸ ื›ืขื“ืขืจื– ืžื™ื˜ ืึท ื ืึทืœ ื ืึธืžืขืŸ ืื•ืŸ ืึท ื ืึทืœ ื•ื•ืขืจื˜, ืื•ืŸ ื“ืขืจ ืกืขืจื•ื•ืขืจ ืึทืœืึทืงื™ื™ืฅ ืึท ื‘ืึทืคืขืจ ืื™ืŸ ื–ื™ืงืึธืจืŸ ืฆื• ืงืจืึธื ื™ืขื“ืขืจ ื›ืขื“ืขืจ ืื•ืŸ ืงืขืŸ ื ื™ืฉื˜ ืžืขืœื“ื•ื ื’ ืขืก ื‘ื™ื– ื“ื™ ืกืขืกื™ืข ืขื ื“ืก ;
  • CVE-2019-9517 (ื™ื ืขืจืœืขืš ื“ืึทื˜ืึท ื‘ืึทืคืขืจื™ื ื’) - ืึทื˜ืึทืงืขืจ ืึธืคึผืขื ืก
    ื”ื˜ื˜ืคึผ / 2 ืกืœื™ื™ื“ื™ื ื’ ืคึฟืขื ืฆื˜ืขืจ ืคึฟืึทืจ ื“ื™ ืกืขืจื•ื•ืขืจ ืฆื• ืฉื™ืงืŸ ื“ืึทื˜ืŸ ืึธืŸ ืจื™ืกื˜ืจื™ืงืฉืึทื ื–, ืึธื‘ืขืจ ื”ืืœื˜ ื“ื™ ื˜ืงืคึผ ืคึฟืขื ืฆื˜ืขืจ ืคึฟืึทืจืžืึทื›ื˜, ืคึผืจืขื•ื•ืขื ื˜ื™ื ื’ ื“ืึทื˜ืŸ ืคื•ืŸ ืึทืงืฉืœื™ ื’ืขืฉืจื™ื‘ืŸ ืฆื• ื“ื™ ื›ืึธืœืขืœ. ื•ื•ื™ื™ึทื˜ืขืจ, ื“ื™ ืึทื˜ืึทืงืขืจ ืกืขื ื“ื– ืจื™ืงื•ื•ืขืก ื•ื•ืึธืก ื“ืึทืจืคืŸ ืึท ื’ืจื•ื™ืก ืขื ื˜ืคืขืจ;

  • CVE-2019-9518 (Empty Frames Flood) - ืึท ืึทื˜ืึทืงืขืจ ืกืขื ื“ื– ืึท ื˜ื™ื™ึทืš ืคื•ืŸ ืจืึธืžืขืŸ ืคื•ืŸ ื˜ื™ืคึผ DATA, HEADERS, CONTINUATION ืึธื“ืขืจ PUSH_PROMISE, ืึธื‘ืขืจ ืžื™ื˜ ืœื™ื™ื“ื™ืง ืคึผื™ื™ืœืึธื•ื“ ืื•ืŸ ืงื™ื™ืŸ ืœื•ื™ืคืŸ ื˜ืขืจืžืึทื ื™ื™ืฉืึทืŸ ืคืึธืŸ. ื“ืขืจ ืกืขืจื•ื•ืขืจ ืกืคึผืขื ื“ื– ืฆื™ื™ื˜ ืคึผืจืึทืกืขืกื™ื ื’ ื™ืขื“ืขืจ ืจืึทื, ื“ื™ืกืคึผืจืึทืคึผืึธืจืฉืึทื ื™ื˜ ืฆื• ื“ื™ ื‘ืึทื ื“ื•ื•ื™ื“ื˜ ืงืึทื ืกื•ืžื“ ื“ื•ืจืš ื“ื™ ืึทื˜ืึทืงืขืจ.

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’