ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ MediaTek ืื•ืŸ Qualcomm ALAC ื“ื™ืงืึธื•ื“ืขืจื– ื•ื•ืึธืก ื•ื•ื™ืจืงืŸ ืจื•ื‘ึฟ ืึทื ื“ืจื•ื™ื“ ื“ืขื•ื•ื™ืกืขืก

ื˜ืฉืขืง ืคึผื•ื™ื ื˜ ื”ืื˜ ื™ื™ื“ืขื ืึทืคื™ื™ื“ ืึท ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ALAC (Apple Lossless Audio Codec) ืึทื•ื“ื™ืึธ ืงืึทืžืคึผืจืขืฉืึทืŸ ืคึฟืึธืจืžืึทื˜ ื“ื™ืงืึธื•ื“ืขืจ ื’ืขืคึฟื™ื ื˜ ื“ื•ืจืš MediaTek (CVE-2021-0674, CVE-2021-0675) ืื•ืŸ Qualcomm (CVE-2021-30351). ื“ืขืจ ืคึผืจืึธื‘ืœืขื ืึทืœืึทื•ื– ืึทื˜ืึทืงืขืจ ืงืึธื“ ืฆื• ื–ื™ื™ืŸ ืขืงืกืึทืงื™ื•ื˜ืึทื“ ื•ื•ืขืŸ ืคึผืจืึทืกืขืกื™ื ื’ ืกืคึผืขืฉืœื™ ืคืึธืจืžืึทื˜ื˜ืขื“ ื“ืึทื˜ืŸ ืื™ืŸ ALAC ืคึฟืึธืจืžืึทื˜.

ื“ื™ ื’ืขืคืึทืจ ืคื•ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ืึทื’ืจืึทื•ื•ื™ื™ื˜ื™ื“ ื“ื•ืจืš ื“ื™ ืคืึทืงื˜ ืึทื– ืขืก ืึทืคืขืงืฅ ื“ืขื•ื•ื™ืกืขืก ื•ื•ืึธืก ืœื•ื™ืคืŸ ื“ื™ ืึทื ื“ืจื•ื™ื“ ืคึผืœืึทื˜ืคืึธืจืžืข ื™ืงื•ื•ื™ืคึผื˜ ืžื™ื˜ MediaTek ืื•ืŸ Qualcomm ื˜ืฉื™ืคึผืก. ื•ื•ื™ ืึท ืจืขื–ื•ืœื˜ืึทื˜ ืคื•ืŸ ื“ื™ ื‘ืึทืคืึทืœืŸ, ืึท ืึทื˜ืึทืงืขืจ ืงืขื ืขืŸ ืึธืจื’ืึทื ื™ื–ื™ืจืŸ ื“ื™ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืคื•ืŸ ืžืึทืœื•ื•ืึทืจืข ืื•ื™ืฃ ืึท ืžื™ื˜ืœ ื•ื•ืึธืก ื”ืื˜ ืึทืงืกืขืก ืฆื• ื‘ืึทื ื™ืฆืขืจ ืงืึธืžื•ื ื™ืงืึทืฆื™ืข ืื•ืŸ ืžื•ืœื˜ื™ืžืขื“ื™ืึท ื“ืึทื˜ืŸ, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื“ืึทื˜ืŸ ืคื•ืŸ ื“ื™ ืึทืคึผืึทืจืึทื˜. ืขืก ืื™ื– ืขืกื˜ื™ืžืึทื˜ืขื“ ืึทื– 2/3 ืคื•ืŸ ืึทืœืข ืกืžืึทืจื˜ืคืึธื ืข ื™ื•ื–ืขืจื– ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ ืึทื ื“ืจื•ื™ื“ ืคึผืœืึทื˜ืคืึธืจืžืข ื–ืขื ืขืŸ ืึทืคืขืงื˜ืึทื“ ื“ื•ืจืš ื“ืขื ืคึผืจืึธื‘ืœืขื. ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืื™ืŸ ื“ื™ ื™ื•. ืขืก., ื“ื™ ื’ืึทื ืฅ ื˜ื™ื™ืœืŸ ืคื•ืŸ ืึทืœืข ืึทื ื“ืจื•ื™ื“ ืกืžืึทืจื˜ืคืึธื ืขืก ืกืึธืœื“ ืื™ืŸ ื“ื™ 4 ืคืขืจื˜ืœ ืคื•ืŸ 2021 ื•ื•ืึธืก ืฉื™ืคึผื˜ ืžื™ื˜ MediaTek ืื•ืŸ Qualcomm ื˜ืฉื™ืคึผืก ืื™ื– ื’ืขื•ื•ืขืŸ 95.1% (48.1% - MediaTek, 47% - Qualcomm).

ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ ืขืงืกืคึผืœื•ื™ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื–ืขื ืขืŸ ื ืึธืš ื ื™ืฉื˜ ื“ื™ืกืงืœืึธื•ื–ื“, ืึธื‘ืขืจ ืขืก ืื™ื– ื’ืขืžืืœื“ืŸ ืึทื– ื“ื™ MediaTek ืื•ืŸ Qualcomm ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืคึฟืึทืจ ื“ื™ ืึทื ื“ืจื•ื™ื“ ืคึผืœืึทื˜ืคืึธืจืžืข ื–ืขื ืขืŸ ืคึผืึทื˜ืฉื˜ ืื™ืŸ ื“ืขืฆืขืžื‘ืขืจ 2021. ื ื“ืขืฆืขืžื‘ืขืจ ื‘ืึทืจื™ื›ื˜ ืื•ื™ืฃ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืื™ืŸ ื“ื™ ืึทื ื“ืจื•ื™ื“ ืคึผืœืึทื˜ืคืึธืจืžืข ื™ื™ื“ืขื ืึทืคื™ื™ื“ ื“ื™ ื™ืฉื•ื– ื•ื•ื™ ืงืจื™ื˜ื™ืฉ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืื™ืŸ ืคึผืจืึทืคึผืจื™ื™ืึทื˜ืขืจื™ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืคึฟืึทืจ Qualcomm ื˜ืฉื™ืคึผืก. ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ MediaTek ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ื– ื ื™ืฉื˜ ื“ืขืจืžืื ื˜ ืื™ืŸ ื“ื™ ืจื™ืคึผืึธืจืฅ.

ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ื˜ืฉื™ืงืึทื•ื•ืข ื•ื•ื™ื™ึทืœ ืคื•ืŸ ื–ื™ื™ึทืŸ ืจื•ืฅ. ืื™ืŸ 2011, ืขืคืœ ื”ืึธื˜ ื’ืขืขืคื ื˜ ื“ืขื ืžืงื•ืจ ืงืึธื“ ืคื•ืŸ ื“ื™ ALAC ืงืึธื“ืขืง, ื•ื•ืึธืก ืึทืœืึทื•ื– ืงืึทืžืคึผืจืขืฉืึทืŸ ืคื•ืŸ ืึทื•ื“ื™ืึธ ื“ืึทื˜ืŸ ืึธืŸ ืงื•ื•ืึทืœื™ื˜ืขื˜ ืึธื ื•ื•ืขืจ, ืื•ื ื˜ืขืจ ื“ื™ ืึทืคึผืึทื˜ืฉื™ 2.0 ื“ืขืจืœื•ื™ื‘ืขื ื™ืฉ, ืื•ืŸ ื’ืขืžืื›ื˜ ืขืก ืžืขื’ืœืขืš ืฆื• ื ื•ืฆืŸ ืึทืœืข ืคึผืึทื˜ืขื ืฅ ืฉื™ื™ึทื›ื•ืช ืฆื• ื“ื™ ืงืึธื“ืขืง. ื“ืขืจ ืงืึธื“ ืื™ื– ืืจื•ื™ืก ืึธื‘ืขืจ ืœื™ื ืงืก ืึทื ืžื™ื™ื ื˜ื™ื™ื ื“ ืื•ืŸ ืื™ื– ื ื™ืฉื˜ ืคืืจืขื ื“ืขืจื˜ ืคึฟืึทืจ ื“ื™ ืœืขืฆื˜ืข 11 ื™ืึธืจ. ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜, ืขืคึผืœ ืคืืจื‘ืœื™ื‘ืŸ ืกืขืคึผืขืจืึทื˜ืœื™ ืฉื˜ื™ืฆืŸ ื“ื™ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื’ืขื ื™ืฆื˜ ืื™ืŸ ื–ื™ื™ึทืŸ ืคึผืœืึทื˜ืคืึธืจืžืก, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื™ืœื™ืžืึทื ื™ื™ื˜ื™ื ื’ ืขืจืจืึธืจืก ืื•ืŸ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืื™ืŸ ืขืก. MediaTek ืื•ืŸ Qualcomm ื‘ืื–ื™ืจื˜ ื–ื™ื™ืขืจ ALAC ืงืึธื“ืขืง ื™ืžืคึผืœืึทืžืึทื ืฅ ืื•ื™ืฃ ืขืคึผืœ ืก ืึธืจื™ื’ื™ื ืขืœ ืึธืคึฟืŸ ืžืงื•ืจ ืงืึธื“, ืึธื‘ืขืจ ื–ื™ื™ ื”ืึธื‘ืŸ ื ื™ืฉื˜ ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื– ืึทื“ืจืขืกื“ ืื™ืŸ ืขืคึผืœ ืก ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืื™ืŸ ื–ื™ื™ืขืจ ืคึผืึทื˜ืฉืึทื–.

ืขืก ืื™ื– ื ืึธืš ืงื™ื™ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ื“ื™ ืงืึธื“ ืคื•ืŸ ืื ื“ืขืจืข ืคึผืจืึธื“ื•ืงื˜ืŸ ื•ื•ืึธืก ืื•ื™ืš ื ื•ืฆืŸ ื“ื™ ืึทื•ื˜ื“ื™ื™ื˜ื™ื“ ALAC ืงืึธื“. ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื“ื™ ALAC ืคึฟืึธืจืžืึทื˜ ืื™ื– ื’ืขืฉื˜ื™ืฆื˜ ื–ื™ื ื˜ FFmpeg 1.1, ืึธื‘ืขืจ ื“ื™ ืงืึธื“ ืžื™ื˜ ื“ื™ ื“ื™ืงืึธื•ื“ืขืจ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืื™ื– ืึทืงื˜ื™ื•ื•ืœื™ ืžื™ื™ื ื˜ื™ื™ื ื“.

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’