{"id":111788,"date":"2023-11-27T15:10:15","date_gmt":"2023-11-27T13:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-perl-owncloud-gstreamer-i-zephyr-rtos"},"modified":"2023-11-27T15:10:15","modified_gmt":"2023-11-27T13:10:15","slug":"uyazvimosti-v-perl-owncloud-gstreamer-i-zephyr-rtos","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/uyazvimosti-v-perl-owncloud-gstreamer-i-zephyr-rtos","title":{"rendered":"Vulnerabilities in Perl, ownCloud, GStreamer, and Zephyr RTOS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Kilka niedawno odkrytych luk:  <\/p>\n<ul>\n<li class=\"l\"> W poprawce Perl 5.38.1 naprawiono podatno\u015b\u0107 (CVE-2023-47038), kt\u00f3ra mo\u017ce prowadzi\u0107 do zapisu jednego bajta poza przydzielonym buforem podczas przetwarzania skompilowanych wyra\u017ce\u0144 regularnych z niepoprawnie ponownie zdefiniowan\u0105 wewn\u0119trzn\u0105 w\u0142a\u015bciwo\u015bci\u0105 Unicode o nazwie rozpoczynaj\u0105cej si\u0119 na &#171;utf8::perl&#187;. Problem wyst\u0119puje od wersji Perl 5.30.\n<p>Ponadto w Perl 5.38.1 usuni\u0119to specyficzn\u0105 dla platformy Windows podatno\u015b\u0107 (CVE-2023-47039), kt\u00f3ra pozwala na uruchomienie dowolnego kodu podczas uruchamiania skrypt\u00f3w, gdy istnieje mo\u017cliwo\u015b\u0107 umieszczenia pliku cmd.exe w bie\u017c\u0105cym katalogu (z powodu braku oczyszczania \u015bcie\u017cek do wyszukiwania wykonywalnych plik\u00f3w Perl najpierw pr\u00f3buje uruchomi\u0107 cmd.exe w bie\u017c\u0105cym katalogu). Na przyk\u0142ad, napastnik mo\u017ce umie\u015bci\u0107 sw\u00f3j cmd.exe w katalogu C:\nProgramData i podnie\u015b\u0107 swoje uprawnienia, je\u015bli administrator uruchomi skrypt Perl z tego katalogu.    <\/p>\n<li class=\"l\"> W platformie chmurowej ownCloud, kt\u00f3ra oddzieli\u0142a si\u0119 od projektu Nextcloud w 2016 roku, zidentyfikowano luk\u0119 (CVE-2023-49103), kt\u00f3ra dotyczy aplikacji graphapi i umo\u017cliwia okre\u015blenie zawarto\u015bci zmiennych \u015brodowiskowych, kt\u00f3re mog\u0105 zawiera\u0107 has\u0142o administratora, klucz licencyjny i dane uwierzytelniaj\u0105ce do po\u0142\u0105czenia z serwerem pocztowym. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/dts-shicago\/\"   title=\"serwera\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2915\">serwera<\/a>Problem spowodowany jest u\u017cyciem w graphapi zewn\u0119trznej biblioteki, kt\u00f3ra mi\u0119dzy innymi umo\u017cliwia wykorzystanie handlera GetPhpInfo.php, wywo\u0142uj\u0105cego funkcj\u0119 phpinfo(), w kt\u00f3rej wyj\u015bciu znajduj\u0105 si\u0119 zmienne \u015brodowiskowe.\n<li class=\"l\"> W multimedialnym frameworku GStreamer zidentyfikowano dwie podatno\u015bci: CVE-2023-44446 \u2014 dost\u0119p do pami\u0119ci po jej zwolnieniu (Use-After-Free) w kodzie analizy plik\u00f3w MXF; CVE-2023-44429 \u2014 przepe\u0142nienie bufora w kodzie analizy formatu AV1. Pierwszy problem wynika z braku sprawdzenia obiektu przed wykonaniem na nim operacji, a drugi z braku sprawdzenia rozmiaru danych przed skopiowaniem ich do sta\u0142ego bufora. Podatno\u015bci mog\u0105 prowadzi\u0107 do wykonania kodu napastnika podczas pr\u00f3by przetwarzania specjalnie przygotowanych plik\u00f3w MXF oraz danych multimedialnych w formacie AV1. Odnotowano, \u017ce wektory atak\u00f3w zale\u017c\u0105 od implementacji atakowanej aplikacji. Problemy przypisano poziom niebezpiecze\u0144stwa 8.8 w skali 10. Podatno\u015bci usuni\u0119to w wydaniu GStreamer 1.22.7.\n<li class=\"l\"> W systemie operacyjnym czasu rzeczywistego Zephyr RTOS zidentyfikowano 25 podatno\u015bci, z kt\u00f3rych wi\u0119kszo\u015b\u0107 potencjalnie mo\u017ce prowadzi\u0107 do wykonania kodu przez atakuj\u0105cego. Podatno\u015bci s\u0105 wynikiem przepe\u0142nie\u0144 bufor\u00f3w w WiFi shell, stosie Bluetooth, sterowniku IPM, stosie USB, sterowniku IEEE 802.15.4, podsystemie Mgmt, systemie plik\u00f3w, sterowniku eS-WiFi oraz podsystemie CANbus. Wi\u0119kszo\u015b\u0107 podatno\u015bci zosta\u0142a usuni\u0119ta w wersji Zephyr 3.5.0, jednak jeden problem (CVE-2023-4261) pozostaje niepoprawiony (szczeg\u00f3\u0142y dotycz\u0105ce tej podatno\u015bci nie b\u0119d\u0105 publikowane do czasu wydania poprawki).    <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60185\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Perl 5.38.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-47038), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u043e\u0434\u043d\u043e\u0433\u043e \u0431\u0430\u0439\u0442\u0430 \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u044b \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0441 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u043c Unicode-\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e\u043c \u0441 \u0438\u043c\u0435\u043d\u0435\u043c, \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0449\u0438\u043c\u0441\u044f \u043d\u0430 &#171;utf8::perl&#187;. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0442\u043a\u0438 Perl 5.30. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0432 Perl 5.38.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u0430\u044f \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b [&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-111788","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Perl 5.38.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 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