ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ื“ื™ Pac-Resolver NPM ืคึผืขืงืœ ืžื™ื˜ 3 ืžื™ืœื™ืึธืŸ ื“ืึทื•ื ืœืึธื•ื“ื– ืคึผืขืจ ื•ื•ืึธืš

ื“ื™ Pac-Resolver NPM ืคึผืขืงืœ, ื•ื•ืึธืก ื”ืื˜ ืื™ื‘ืขืจ 3 ืžื™ืœื™ืึธืŸ ื“ืึทื•ื ืœืึธื•ื“ื– ืคึผืขืจ ื•ื•ืึธืš, ื”ืื˜ ืึท ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ (CVE-2021-23406) ื•ื•ืึธืก ืึทืœืึทื•ื– ื–ื™ื™ืŸ ื“ื–ืฉืึทื•ื•ืึทืกืงืจื™ืคึผื˜ ืงืึธื“ ืฆื• ื–ื™ื™ืŸ ืขืงืกืึทืงื™ื•ื˜ืึทื“ ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ื“ื™ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ื•ื•ืขืŸ ืฉื™ืงื˜ ื”ื˜ื˜ืคึผ ืจื™ืงื•ื•ืขืก ืคึฟื•ืŸ Node.js ืคึผืจืึทื“ื–ืฉืขืงืก ื•ื•ืึธืก ืฉื˜ื™ืฆืŸ ืคึผืจืึธืงืกื™ ืกืขืจื•ื•ืขืจ ืึทื•ื˜ืึธ-ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืคื•ื ืงืฆื™ืข.

ื“ื™ ืคึผืึทืง-ืจืขืกืึธืœื•ื•ืขืจ ืคึผืขืงืœ ืคึผืึทืจืกืขืก PAC ื˜ืขืงืขืก ื•ื•ืึธืก ืึทื ื˜ื”ืึทืœื˜ืŸ ืึทืŸ ืึธื˜ืึทืžืึทื˜ื™ืง ืคึผืจืึทืงืกื™ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืฉืจื™ืคื˜. ื“ื™ PAC ื˜ืขืงืข ื›ึผื•ืœืœ ืจืขื’ื•ืœืขืจ ื“ื–ืฉืึทื•ื•ืึทืกืงืจื™ืคึผื˜ ืงืึธื“ ืžื™ื˜ ืึท FindProxyForURL ืคึฟื•ื ืงืฆื™ืข ื•ื•ืึธืก ื“ื™ืคื™ื™ื ื– ื“ื™ ืœืึธื’ื™ืง ืคึฟืึทืจ ื˜ืฉื•ื–ื™ื ื’ ืึท ืคืจืืงืกื™ ื“ื™ืคึผืขื ื“ื™ื ื’ ืื•ื™ืฃ ื“ื™ ื‘ืึทืœืขื‘ืึธืก ืื•ืŸ ื“ื™ ื’ืขื‘ืขื˜ืŸ URL. ื“ื™ ืขืกืึทื ืก ืคื•ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ืึทื– ืฆื• ื•ื™ืกืคื™ืจืŸ ื“ืขื ื“ื–ืฉืึทื•ื•ืึทืกืงืจื™ืคึผื˜ ืงืึธื“ ืื™ืŸ pac-resolver, ื“ื™ VM API ืฆื•ื’ืขืฉื˜ืขืœื˜ ืื™ืŸ Node.js ืื™ื– ื’ืขื ื™ืฆื˜, ื•ื•ืึธืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ื•ื™ืกืคื™ืจืŸ ื“ื–ืฉืึทื•ื•ืึทืกืงืจื™ืคึผื˜ ืงืึธื“ ืื™ืŸ ืึท ืึทื ื“ืขืจืฉ ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ื“ื™ V8 ืžืึธื˜ืึธืจ.

ื“ื™ ืกืคึผืขืกื™ืคื™ืขื“ ืึทืคึผื™ ืื™ื– ื‘ืคื™ืจื•ืฉ ืื ื’ืขืฆื™ื™ื›ื ื˜ ืื™ืŸ ื“ื™ ื“ืึทืงื™ื•ืžืขื ื˜ื™ื™ืฉืึทืŸ ื•ื•ื™ ื ื™ื˜ ื‘ื“ืขื” ืคึฟืึทืจ ืคืœื™ืกื ื“ื™ืง ืึทื ื˜ืจืึทืกื˜ื™ื“ ืงืึธื“, ื•ื•ื™ื™ึทืœ ืขืก ื˜ื•ื˜ ื ื™ืฉื˜ ืฆื•ืฉื˜ืขืœืŸ ื’ืึทื ืฅ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ืงืึธื“ ื•ื•ืึธืก ืื™ื– ืœื•ื™ืคืŸ ืื•ืŸ ืึทืœืึทื•ื– ืึทืงืกืขืก ืฆื• ื“ืขืจ ืึธืจื™ื’ื™ื ืขืœ ืงืึธื ื˜ืขืงืกื˜. ื“ื™ ืึทืจื•ื™ืกื’ืขื‘ืŸ ืื™ื– ืกืึทืœื•ื•ื“ ืื™ืŸ pac-resolver 5.0.0, ื•ื•ืึธืก ืื™ื– ืืจื™ื‘ืขืจื’ืขืคืืจืŸ ืฆื• ื ื•ืฆืŸ ื“ื™ vm2 ื‘ื™ื‘ืœื™ืึธื˜ืขืง, ื•ื•ืึธืก ื’ื™ื˜ ืึท ื”ืขื›ืขืจ ืžื“ืจื’ื” ืคื•ืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜ ืคึผืึทืกื™ืง ืคึฟืึทืจ ืคืœื™ืกื ื“ื™ืง ืึทื ื˜ืจืึทืกื˜ ืงืึธื“.

ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ื“ื™ Pac-Resolver NPM ืคึผืขืงืœ ืžื™ื˜ 3 ืžื™ืœื™ืึธืŸ ื“ืึทื•ื ืœืึธื•ื“ื– ืคึผืขืจ ื•ื•ืึธืš

ื•ื•ืขืŸ ื ื™ืฆืŸ ืึท ืฉืคึผื™ืจืขื•ื•ื“ื™ืง ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ืคึผืึทืง-ืจืขืกืึธืœื•ื•ืขืจ, ืึท ืึทื˜ืึทืงืขืจ ื“ื•ืจืš ื“ื™ ื˜ืจืึทื ืกืžื™ืกื™ืข ืคื•ืŸ โ€‹โ€‹ืึท ืกืคึผืขืฆื™ืขืœ ื“ื™ื–ื™ื™ื ื“ ืคึผืึทืง ื˜ืขืงืข ืงืขื ืขืŸ ื“ืขืจื’ืจื™ื™ื›ืŸ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืคื•ืŸ ื–ื™ื™ืŸ ื“ื–ืฉืึทื•ื•ืึทืกืงืจื™ืคึผื˜ ืงืึธื“ ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ื“ื™ ืงืึธื“ ืคื•ืŸ ืึท ืคึผืจื•ื™ืขืงื˜ ื ื™ืฆืŸ Node.js, ืื•ื™ื‘ ื“ื™ ืคึผืจื•ื™ืขืงื˜ ื ื™ืฆื˜ ืœื™ื™ื‘ืจืขืจื™ื– ื•ื•ืึธืก ื”ืึธื‘ืŸ ื“ื™ืคึผืขื ื“ืึทื ืกื™ื–. ืžื™ื˜ Pac-Resolver. ื“ื™ ืžืขืจืกื˜ ืคืึธืœืงืก ืคื•ืŸ ื“ื™ ืคึผืจืึธื‘ืœืขืžืึทื˜ื™ืง ืœื™ื™ื‘ืจืขืจื™ื– ืื™ื– ืคึผืจืึธืงืกื™-ืึทื’ืขื ื˜, ืœื™ืกื˜ืขื“ ื•ื•ื™ ืึท ื“ืขืคึผืขื ื“ืขื ืกื™ ืื•ื™ืฃ 360 ืคึผืจืึทื“ื–ืฉืขืงืก, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ urllib, aws-cdk, mailgun.js ืื•ืŸ Firebase-ืžื›ืฉื™ืจื™ื, ื˜ืึธื•ื˜ืึทืœื™ื ื’ ืžืขืจ ื•ื•ื™ ื“ืจื™ื™ ืžื™ืœื™ืึธืŸ ื“ืึทื•ื ืœืึธื•ื“ื– ืคึผืขืจ ื•ื•ืึธืš.

ืื•ื™ื‘ ืึท ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ื•ื•ืึธืก ื”ืื˜ ื“ื™ืคึผืขื ื“ืึทื ืกื™ื– ืื•ื™ืฃ ืคึผืึทืง-ืจืขืกืึธืœื•ื•ืขืจ ืœืึธื•ื“ื– ืึท PAC ื˜ืขืงืข ืฆื•ื’ืขืฉื˜ืขืœื˜ ื“ื•ืจืš ืึท ืกื™ืกื˜ืขื ื•ื•ืึธืก ืฉื˜ื™ืฆื˜ ื“ื™ WPAD ืคืจืืงืกื™ ืึธื˜ืึทืžืึทื˜ื™ืง ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ, ืึทื˜ืึทืงืขืจื– ืžื™ื˜ ืึทืงืกืขืก ืฆื• ื“ื™ ื”ื™ื’ืข ื ืขืฅ ืงืขื ืขืŸ ื ื•ืฆืŸ ื“ื™ ืคืึทืจืฉืคึผืจื™ื™ื˜ื•ื ื’ ืคื•ืŸ ืคึผืจืึทืงืกื™ ืกืขื˜ื˜ื™ื ื’ืก ื“ื•ืจืš DHCP ืฆื• ืึทืจื™ื™ึทื ืœื™ื™ื’ืŸ ื‘ื™ื™ื–ืข PAC ื˜ืขืงืขืก.

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’