ืคึผืจืึธื’ืจืขืก ืื™ืŸ ื‘ื•ื™ืขืŸ ืึท ืขืงืกืคึผืœื•ื™ื˜ ืคึฟืึทืจ OpenSSH 9.1

Qualys ื’ืขืคื•ื ืขืŸ ืึท ื•ื•ืขื’ ืฆื• ื‘ื™ื™ืคึผืึทืก ืžืึทืœืœืึธืง ืื•ืŸ ื˜ืึธืคึผืœ-ืคืจื™ื™ ืฉื•ืฅ ืฆื• ืึธื ื”ื™ื™ื‘ืŸ ืึท ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืคื•ืŸ ืงืึธื ื˜ืจืึธืœ ืฆื• ืงืึธื“ ื ื™ืฆืŸ ืึท ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ OpenSSH 9.1 ื•ื•ืึธืก ืื™ื– ื‘ืืฉืœืืกืŸ ืฆื• ื”ืึธื‘ืŸ ืึท ื ื™ื“ืขืจื™ืง ืจื™ื–ื™ืงื™ืจืŸ ืคื•ืŸ ืงืจื™ื™ื™ื˜ื™ื ื’ ืึท ืืจื‘ืขื˜ืŸ ืขืงืกืคึผืœื•ื™ื˜. ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜, ื“ื™ ืžืขื’ืœืขื›ืงื™ื™ื˜ ืคื•ืŸ ืฉืึทืคึฟืŸ ืึท ืืจื‘ืขื˜ืŸ ืขืงืกืคึผืœื•ื™ื˜ ื‘ืœื™ื™ื‘ื˜ ืึท ื’ืจื•ื™ืก ืงืฉื™ื.

ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ืึท ืคืึทืจ-ืึธื˜ืขื ื˜ืึทืงื™ื™ืฉืึทืŸ ื˜ืึธืคึผืœ ืคืจื™ื™. ืฆื• ืฉืึทืคึฟืŸ ื˜ื ืึธื™ื ืคึฟืึทืจ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืฆื• ื‘ืึทืฉื™ื™ึทืžืคึผืขืจืœืขืš, ืขืก ืื™ื– ื’ืขื ื•ื’ ืฆื• ื˜ื•ื™ืฉืŸ ื“ื™ SSH ืงืœื™ืขื ื˜ ืคืึธืŸ ืฆื• "SSH-2.0-FuTTYSH_9.1p1" (ืึธื“ืขืจ ืืŸ ืื ื“ืขืจ ืึทืœื˜ SSH ืงืœื™ืขื ื˜) ืฆื• ืฉื˜ืขืœืŸ ื“ื™ "SSH_BUG_CURVE25519PAD" ืื•ืŸ "SSH_OLD_DHGEX" ืคืœืึทื’ืก. ื ืึธืš ื‘ืึทืฉื˜ืขื˜ื™ืงืŸ ื“ื™ ืคืœืึทื’ืก, ื“ื™ ื–ื›ึผืจื•ืŸ ืคึฟืึทืจ ื“ื™ "ืึธืคึผืฆื™ืขืก.ืงืขืงืก_ืึทืœื’ืึธืจื™ื˜ืžืก" ื‘ืึทืคืขืจ ืื™ื– ื‘ืืคืจื™ื™ื˜ ืฆื•ื•ื™ื™ ืžืึธืœ.

ืจืขืกืขืึทืจื˜ืฉืขืจืก ืคื•ืŸ Qualys, ื‘ืฉืขืช ืžืึทื ื™ืคึผื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™, ื–ืขื ืขืŸ ื‘ื™ื›ื•ืœืช ืฆื• ื‘ืึทืงื•ืžืขืŸ ืงืึธื ื˜ืจืึธืœ ืคื•ืŸ ื“ื™ "% ืจื™ืคึผ" ืคึผืจืึทืกืขืกืขืจ ืจืขื’ื™ืกื˜ืจื™ืจืŸ, ื•ื•ืึธืก ื›ึผื•ืœืœ ืึท ื˜ื™ื™ึทื˜ืœ ืฆื• ื“ืขืจ ื•ื•ื™ื™ึทื˜ืขืจ ืœื™ืžืขื“ ืฆื• ื–ื™ื™ืŸ ืขืงืกืึทืงื™ื•ื˜ืึทื“. ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขื“ ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ื˜ืขื›ื ื™ืง ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืงืึธื ื˜ืจืึธืœ ืฆื• ืงื™ื™ืŸ ืคื•ื ื˜ ืื™ืŸ ื“ื™ ืึทื“ืจืขืก ืคึผืœืึทืฅ ืคื•ืŸ ื“ื™ sshd ืคึผืจืึธืฆืขืก ืื™ืŸ ืึทืŸ ืึทื ื•ืคึผื“ื™ื™ื˜ื™ื“ OpenBSD 7.2 ืกื•ื•ื™ื•ื•ืข, ืกืึทืคึผืœื™ื™ื“ ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜ ืžื™ื˜ OpenSSH 9.1.

ืขืก ืื™ื– ื‘ืืžืขืจืงื˜ ืึทื– ื“ื™ ืคืืจื’ืขืœื™ื™ื’ื˜ ืคึผืจืึธื•ื˜ืึทื˜ื™ื™ืคึผ ืื™ื– ืึท ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ื‘ืœื•ื™ื– ื“ืขืจ ืขืจืฉื˜ืขืจ ื‘ื™ื ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ื‘ืึทืคืึทืœืŸ - ืฆื• ืฉืึทืคึฟืŸ ืึท ืืจื‘ืขื˜ืŸ ื’ื•ื•ื•ืจืข, ืขืก ืื™ื– ื ื™ื™ื˜ื™ืง ืฆื• ื‘ื™ื™ืคึผืึทืก ื“ื™ ASLR, NX ืื•ืŸ ROP ืฉื•ืฅ ืžืขืงืึทื ื™ื–ืึทืžื– ืื•ืŸ ืึทื ื˜ืœื•ื™ืคืŸ ื–ืึทืžื“ืงืึทืกื˜ืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜, ื•ื•ืึธืก ืื™ื– ืึทื ืœื™ื™ืงืœื™. ืฆื• ืกืึธืœื•ื•ืข ื“ื™ ืคึผืจืึธื‘ืœืขื ืคื•ืŸ ื‘ื™ื™ืคึผืึทืกื™ื ื’ ASLR, NX ืื•ืŸ ROP, ืขืก ืื™ื– ื ื™ื™ื˜ื™ืง ืฆื• ื‘ืึทืงื•ืžืขืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ืึทื“ืจืขืกืขืก, ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึทื˜ืฉื™ื•ื•ื“ ื“ื•ืจืš ื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ืืŸ ืื ื“ืขืจ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื•ื•ืึธืก ืคื™ืจื˜ ืฆื• ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืœื™ืงืึทื“ื–ืฉ. ื ื–ืฉื•ืง ืื™ืŸ ื“ื™ ืคึผืจื™ื•ื•ืœื™ื“ื–ืฉื“ ืคืึธื˜ืขืจ ืคึผืจืึธืฆืขืก ืึธื“ืขืจ ืงืขืจืŸ ืงืขื ืขืŸ ื”ืขืœืคึฟืŸ ืึทืจื•ื™ืกื’ืึทื ื’ ื“ื™ ื–ืึทืžื“ืงืึทืกื˜ืŸ.

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’