{"id":107801,"date":"2023-04-11T00:48:22","date_gmt":"2023-04-10T22:48:22","guid":{"rendered":"https:\/\/prohoster.info\/?p=107801"},"modified":"2023-04-12T10:36:33","modified_gmt":"2023-04-12T08:36:33","slug":"vypusk-openbsd-7-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-openbsd-7-3","title":{"rendered":"OpenBSD 7.3 kiad\u00e1s","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent az OpenBSD 7.3 szabad UNIX-szer\u0171 oper\u00e1ci\u00f3s rendszer kiad\u00e1sa. Az OpenBSD projektet Theo de Raadt alap\u00edtotta 1995-ben a NetBSD fejleszt\u0151ivel val\u00f3 konfliktus ut\u00e1n, amelynek k\u00f6vetkezt\u00e9ben Theo hozz\u00e1f\u00e9r\u00e9se le lett tiltva a NetBSD CVS-t\u00e1r\u00e1hoz. Ezt k\u00f6vet\u0151en Theo de Raadt \u00e9s eszm\u00e9l\u00e9sei egy csoportja l\u00e9trehozta a NetBSD forr\u00e1sk\u00f3d-f\u00e1jlf\u00e1j\u00e1nak alapjain egy \u00faj ny\u00edlt oper\u00e1ci\u00f3s rendszert, amelynek f\u0151 fejleszt\u00e9si c\u00e9ljai a hordozhat\u00f3s\u00e1g (13 hardverplatformot t\u00e1mogat), a szabv\u00e1nyos\u00edt\u00e1s, a megb\u00edzhat\u00f3 m\u0171k\u00f6d\u00e9s, a proakt\u00edv biztons\u00e1g \u00e9s az integr\u00e1lt kriptogr\u00e1fiai eszk\u00f6z\u00f6k voltak. Az OpenBSD 7.3 alap\u00e9rtelmezett rendszere teljes ISO-\u00e1llom\u00e1ny\u00e1nak m\u00e9rete 620 MB.       <\/p>\n<p>Az oper\u00e1ci\u00f3s rendszeren k\u00edv\u00fcl az OpenBSD projekt ismert olyan komponenseir\u0151l is, amelyek m\u00e1s rendszerekben elterjedtek, \u00e9s amelyek a legbiztons\u00e1gosabb \u00e9s legjobb megold\u00e1sok k\u00f6z\u00e9 tartoznak. Ezek k\u00f6z\u00e9 tartozik a LibreSSL (OpenSSL fork), az OpenSSH, a csomagsz\u0171r\u0151 PF, az OpenBGPD \u00e9s OpenOSPFD \u00fatv\u00e1laszt\u00f3 d\u00e9monok, az OpenNTPD NTP-szerver, a levelez\u0151 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/\"   title=\"szerver\" data-wpil-keyword-link=\"linked\">szerver<\/a> OpenSMTPD, a termin\u00e1l multiplexor (anal\u00f3g GNU screen) tmux, identd d\u00e9mon a IMPLEMENT\u00c1CI\u00d3 IDENT protokollal, a GNU groff alternat\u00edv\u00e1ja - mandoc, a CARP (Common Address Redundancy Protocol) protokoll az el\u00e9rhet\u0151s\u00e9g biztos\u00edt\u00e1s\u00e1ra, k\u00f6nny\u0171 http-szerver, f\u00e1jlok szinkroniz\u00e1l\u00f3 eszk\u00f6ze OpenRSYNC.          <\/p>\n<p>F\u0151 fejleszt\u00e9sek:   <\/p>\n<ul>\n<li class=\"l\"> Megval\u00f3s\u00edt\u00e1sra ker\u00fcltek a waitid (folyamat \u00e1llapotv\u00e1ltoz\u00e1s\u00e1nak v\u00e1rakoz\u00e1sa), pinsyscall (az execve bel\u00e9p\u00e9si pontj\u00e1n kereszt\u00fcl inform\u00e1ci\u00f3k tov\u00e1bb\u00edt\u00e1s\u00e1ra a ROP-exploitok v\u00e9delm\u00e9re), getthrname \u00e9s setthrname (sz\u00e1l n\u00e9v lek\u00e9rdez\u00e9se \u00e9s be\u00e1ll\u00edt\u00e1sa) rendszerh\u00edv\u00e1sok.\n<li class=\"l\"> Minden architekt\u00far\u00e1hoz megval\u00f3sult a hardverf\u00fcggetlen clockintr id\u0151z\u00edt\u0151 megszak\u00edtotts\u00e1g kezel\u00e9se.\n<li class=\"l\"> Hozz\u00e1adva a sysctl kern.autoconf_serial, amelyet a felhaszn\u00e1l\u00f3i t\u00e9rb\u0151l a device tree \u00e1llapot\u00e1nak nyomon k\u00f6vet\u00e9s\u00e9re lehet haszn\u00e1lni.\n<li class=\"l\"> Jav\u00edtva lett a t\u00f6bbprocesszoros rendszerek (SMP) t\u00e1mogat\u00e1sa. A tun \u00e9s tap eszk\u00f6z\u00f6k esem\u00e9nyfiltjeit mp-safe kateg\u00f3ri\u00e1ba sorolt\u00e1k. A select, pselect, poll, ppoll, getsockopt, setsockopt, mmap, munmap, mprotect, sched_yield, minherit \u00e9s utrace, valamint az ioctl SIOCGIFCONF, SIOCGIFGMEMB, SIOCGIFGATTR \u00e9s SIOCGIFGLIST funkci\u00f3k z\u00e1rak n\u00e9lk\u00fcli m\u0171k\u00f6d\u00e9sre ker\u00fcltek. A pf csomagfilter z\u00e1rkezel\u00e9se jav\u00edtva lett. A teljes\u00edtm\u00e9ny javult a t\u00f6bbmagos rendszereken.\n<li class=\"l\">  A drm (Direct Rendering Manager) keretrendszer v\u00e9grehajt\u00e1sa szinkronban van a Linux 6.1.15 kernellel (az el\u0151z\u0151 kiad\u00e1sban \u2013 5.15.69). Az amdgpu illeszt\u0151programhoz hozz\u00e1adt\u00e1k a Ryzen 7000 \u201eRaphael\u201d, Ryzen 7020 \u201eMendocino\u201d, Ryzen 7045 \u201eDragon Range\u201d, Radeon RX 7900 XT\/XTX \u201eNavi 31\u201d, Radeon RX 7600M (XT), 7700S \u00e9s 7600S \u201eNavi 33\u201d GPU-k t\u00e1mogat\u00e1s\u00e1t. Az amdgpu-hoz hozz\u00e1adt\u00e1k a h\u00e1tt\u00e9rvil\u00e1g\u00edt\u00e1s vez\u00e9rl\u00e9s\u00e9nek t\u00e1mogat\u00e1s\u00e1t, \u00e9s biztos\u00edtott\u00e1k a xbacklight m\u0171k\u00f6d\u00e9s\u00e9t az X.Org modesetting illeszt\u0151program haszn\u00e1latakor. A Mesa alap\u00e9rtelmez\u00e9s szerint aktiv\u00e1lta a shader-t\u00e1rol\u00e1st.\n<li class=\"l\"> Jav\u00edt\u00e1sok t\u00f6rt\u00e9ntek a VMM hypervisoron.\n<li class=\"l\"> A kieg\u00e9sz\u00edt\u0151 mem\u00f3riav\u00e9delmi lehet\u0151s\u00e9gek val\u00f3sultak meg a felhaszn\u00e1l\u00f3i t\u00e9rben: mimmutable rendszerh\u00edv\u00e1s \u00e9s a hozz\u00e1tartoz\u00f3, az azonos nev\u0171 k\u00f6nyvt\u00e1ri funkci\u00f3, amely lehet\u0151v\u00e9 teszi a hozz\u00e1f\u00e9r\u00e9si jogok r\u00f6gz\u00edt\u00e9s\u00e9t a mem\u00f3riakezel\u00e9sn\u00e9l (memory mappings). Miut\u00e1n a jogok r\u00f6gz\u00edtve lettek, p\u00e9ld\u00e1ul a \u00edr\u00e1si \u00e9s v\u00e9grehajt\u00e1si jog megtilt\u00e1sa, a jogok nem m\u00f3dos\u00edthat\u00f3k a k\u00e9s\u0151bbi mmap(), mprotect() \u00e9s munmap() funkci\u00f3h\u00edv\u00e1sok sor\u00e1n, amelyek m\u00f3dos\u00edt\u00e1si k\u00eds\u00e9rlet eset\u00e9n EPERM hib\u00e1t adnak vissza.\n<li class=\"l\"> Az AMD64 architekt\u00far\u00e1j\u00fa rendszerh\u00edv\u00e1sok v\u00e9delmi mechanizmus\u00e1nak neve RETGUARD, amely a k\u00f3ddarabok k\u00f6lcs\u00f6nver\u00e9s\u00e9re \u00e9s a visszair\u00e1ny\u00edtott programoz\u00e1s m\u00f3dszereire \u00e9p\u00fcl\u0151 exploitok v\u00e9grehajt\u00e1s\u00e1t megnehez\u00edti.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt az exploitokkal szembeni v\u00e9delem, amely az sshd v\u00e9grehajt\u00e1si f\u00e1jlt v\u00e9letlenszer\u0171en \u00fajraszervezi a rendszer minden ind\u00edt\u00e1sakor. Az \u00fajraszervez\u00e9s megnehez\u00edti a visszair\u00e1ny\u00edtott programoz\u00e1s m\u00f3dszereit haszn\u00e1l\u00f3 exploitok l\u00e9trehoz\u00e1s\u00e1t az sshd funkci\u00f3inak eltol\u00e1sainak kisz\u00e1m\u00edthatatlans\u00e1ga miatt.\n<li class=\"l\"> Aggressz\u00edvebb mem\u00f3riahely-randomiz\u00e1ci\u00f3t biztos\u00edt a 64 bites rendszerek sz\u00e1m\u00e1ra.\n<li class=\"l\"> V\u00e9delem ker\u00fclt bevezet\u00e9sre a Spectre-BHB s\u00e9r\u00fcl\u00e9kenys\u00e9ggel szemben a processzorok mikroarchitektur\u00e1lis strukt\u00far\u00e1iban.\n<li class=\"l\"> ARM64 processzorokon a felhaszn\u00e1l\u00f3i t\u00e9r \u00e9s a kernel sz\u00e1m\u00e1ra a DIT (Data Independent Timing) z\u00e1szl\u00f3 haszn\u00e1lat\u00e1val blokkolj\u00e1k a k\u00fcls\u0151 csatorn\u00e1s t\u00e1mad\u00e1sokat, amelyek manipul\u00e1lj\u00e1k az utas\u00edt\u00e1sok v\u00e9grehajt\u00e1si idej\u00e9nek adatokt\u00f3l val\u00f3 f\u00fcgg\u0151s\u00e9geit.\n<li class=\"l\"> Lehet\u0151v\u00e9 teszi a lladdr haszn\u00e1lat\u00e1t a h\u00e1l\u00f3zati konfigur\u00e1ci\u00f3k meghat\u00e1roz\u00e1sakor. P\u00e9ld\u00e1ul, a hostn\u00e9v (hostname.fxp0) mellett MAC-c\u00edm (hostname.00:00:6e:00:34:8f) alapj\u00e1n is lehet\u0151s\u00e9g van a kapcsol\u00f3d\u00e1sra.\n<li class=\"l\"> Jav\u00edtott\u00e1k az alv\u00f3 \u00fczemm\u00f3dba val\u00f3 v\u00e1lt\u00e1s t\u00e1mogat\u00e1s\u00e1t ARM64 architekt\u00far\u00e1j\u00fa rendszerek eset\u00e9ben.\n<li class=\"l\"> Jelent\u0151sen megn\u00f6velt\u00e9k az Apple ARM chipjeinek t\u00e1mogat\u00e1s\u00e1t.\n<li class=\"l\"> \u00dajhardver t\u00e1mogat\u00e1s ker\u00fclt bevezet\u00e9sre, \u00e9s \u00faj driverek lettek integr\u00e1lva.\n<li class=\"l\"> A Broadcom \u00e9s Cypress chipjein alapul\u00f3 vezet\u00e9k n\u00e9lk\u00fcli k\u00e1rty\u00e1k bwfm meghajt\u00f3j\u00e1ban t\u00e1mogat\u00e1s ker\u00fclt bevezet\u00e9sre a WEP titkos\u00edt\u00e1s\u00e1hoz.\n<li class=\"l\"> Az installer jav\u00edtotta a szoftveres RAID-hoz val\u00f3 kapcsol\u00f3d\u00e1st \u00e9s bevezette a lemez titkos\u00edt\u00e1s\u00e1nak kezdeti t\u00e1mogat\u00e1s\u00e1t (Guided Disk Encryption).\n<li class=\"l\"> A tmux (\u201etermin\u00e1l multiplexer\u201d) \u00faj scroll-top \u00e9s scroll-bottom parancsokkal b\u0151v\u00fclt, amelyek lehet\u0151v\u00e9 teszik a kurzor g\u00f6rget\u00e9s\u00e9t a kezdetre \u00e9s a v\u00e9g\u00e9re. Az LibreSSL \u00e9s OpenSSH csomagok friss\u00edtve lettek. A fejleszt\u00e9sek r\u00e9szletes \u00e1ttekint\u00e9se megtekinthet\u0151 a LibreSSL 3.7.0, OpenSSH 9.2 \u00e9s OpenSSH 9.3 \u00e1ttekint\u00e9sekben.\n<li class=\"l\"> Az AMD64 architekt\u00fara portjainak sz\u00e1ma 11764-re emelkedett (kor\u00e1bban 11451 volt), az aarch64 eset\u00e9ben 11561 (kor\u00e1bban 11261), az i386 eset\u00e9ben 10572 (kor\u00e1bban 10225). Az alkalmaz\u00e1sverzi\u00f3k k\u00f6z\u00f6tt a portokban:\n<ul>\n<li>Asterisk 16.30.0, 18.17.0 \u00e9s 20.2.0      <\/li>\n<li>Audacity 3.2.5      <\/li>\n<li>CMake 3.25.2      <\/li>\n<li>Chromium 111.0.5563.110      <\/li>\n<li>Emacs 28.2      <\/li>\n<li>FFmpeg 4.4.3      <\/li>\n<li>GCC 8.4.0 \u00e9s 11.2.0      <\/li>\n<li>GHC 9.2.7      <\/li>\n<li>GNOME 43.3      <\/li>\n<li>Go 1.20.1      <\/li>\n<li>JDK 8u362, 11.0.18 \u00e9s 17.0.6      <\/li>\n<li>KDE Gears 22.12.3      <\/li>\n<li>KDE Frameworks 5.103.0      <\/li>\n<li>Krita 5.1.5      <\/li>\n<li>LLVM\/Clang 13.0.0      <\/li>\n<li>LibreOffice 7.5.1.2      <\/li>\n<li>Lua 5.1.5, 5.2.4, 5.3.6 \u00e9s 5.4.4      <\/li>\n<li>MariaDB 10.9.4      <\/li>\n<li>Mono 6.12.0.182      <\/li>\n<li>Mozilla Firefox 111.0 \u00e9s ESR 102.9.0      <\/li>\n<li>Mozilla Thunderbird 102.9.0      <\/li>\n<li>Mutt 2.2.9 \u00e9s NeoMutt 20220429      <\/li>\n<li>Node.js 18.15.0      <\/li>\n<li>OCaml 4.12.1      <\/li>\n<li>OpenLDAP 2.6.4      <\/li>\n<li>PHP 7.4.33, 8.0.28, 8.1.16 \u00e9s 8.2.3      <\/li>\n<li>Postfix 3.5.17 \u00e9s 3.7.3      <\/li>\n<li>PostgreSQL 15.2      <\/li>\n<li>Python 2.7.18, 3.9.16, 3.10.10 \u00e9s 3.11.2      <\/li>\n<li>Qt 5.15.8 \u00e9s 6.4.2      <\/li>\n<li>R 4.2.1      <\/li>\n<li>Ruby 3.0.5, 3.1.3 \u00e9s 3.2.1      <\/li>\n<li>Rust 1.68.0      <\/li>\n<li>SQLite 2.8.17 \u00e9s 3.41.0      <\/li>\n<li>Shotcut 22.12.21      <\/li>\n<li>Sudo 1.9.13.3      <\/li>\n<li>Suricata 6.0.10      <\/li>\n<li>Tcl\/Tk 8.5.19 \u00e9s 8.6.13      <\/li>\n<li>TeX Live 2022      <\/li>\n<li>Vim 9.0.1388 \u00e9s Neovim 0.8.3      <\/li>\n<li>Xfce 4.18  <\/ul>\n<li class=\"l\"> Friss\u00edtve az OpenBSD 7.3-ban tal\u00e1lhat\u00f3 harmadik f\u00e9lt\u0151l sz\u00e1rmaz\u00f3 komponensek:\n<ul>\n<li class=\"l\"> A Xenocara grafikus stack az X.Org 7.7 alapjain xserver 1.21.6 + jav\u00edt\u00e1sokkal, freetype 2.12.1, fontconfig 2.14, Mesa 22.3.4, xterm 378, xkeyboard-config 2.20, fonttosfnt 1.2.2.  <\/li>\n<li class=\"l\">    LLVM\/Clang 13.0.0 (+ jav\u00edt\u00e1sok)  <\/li>\n<li class=\"l\">    GCC 4.2.1 (+ jav\u00edt\u00e1sok) \u00e9s 3.3.6 (+ jav\u00edt\u00e1sok)  <\/li>\n<li class=\"l\">    Perl 5.36.1 (+ jav\u00edt\u00e1sok)  <\/li>\n<li class=\"l\">    NSD 4.6.1  <\/li>\n<li class=\"l\">    Unbound 1.17  <\/li>\n<li class=\"l\">    Ncurses 5.7  <\/li>\n<li class=\"l\">    Binutils 2.17 (+ jav\u00edt\u00e1sok)  <\/li>\n<li class=\"l\">  Gdb 6.3 (+ jav\u00edt\u00e1s)  <\/li>\n<li class=\"l\">  Awk 12.9.2022  <\/li>\n<li class=\"l\">  Expat 2.5.0.  <\/li>\n<\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58944\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 UNIX-\u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b OpenBSD 7.3. \u041f\u0440\u043e\u0435\u043a\u0442 OpenBSD \u0431\u044b\u043b \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u0422\u044d\u043e \u0434\u0435 \u0420\u0430\u0430\u0434\u0442\u043e\u043c (Theo de Raadt) \u0432 1995 \u0433\u043e\u0434\u0443 \u043f\u043e\u0441\u043b\u0435 \u043a\u043e\u043d\u0444\u043b\u0438\u043a\u0442\u0430 \u0441 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 NetBSD, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0434\u043b\u044f \u0422\u044d\u043e \u0431\u044b\u043b \u0437\u0430\u043a\u0440\u044b\u0442 \u0434\u043e\u0441\u0442\u0443\u043f \u043a CVS \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044e NetBSD. \u041f\u043e\u0441\u043b\u0435 \u044d\u0442\u043e\u0433\u043e \u0422\u044d\u043e \u0434\u0435 \u0420\u0430\u0430\u0434\u0442 \u0441 \u0433\u0440\u0443\u043f\u043f\u043e\u0439 \u0435\u0434\u0438\u043d\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u0432 \u0441\u043e\u0437\u0434\u0430\u043b \u043d\u0430 \u0431\u0430\u0437\u0435 \u0434\u0435\u0440\u0435\u0432\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 NetBSD \u043d\u043e\u0432\u0443\u044e \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-107801","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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