{"id":53560,"date":"2019-12-04T00:00:00","date_gmt":"2019-12-03T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/15-uyazvimostej-v-usb-drajverah-postavlyaemyh-v-yadre-linux"},"modified":"2020-02-18T14:01:28","modified_gmt":"2020-02-18T11:01:28","slug":"15-uyazvimostej-v-usb-drajverah-postavlyaemyh-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/15-uyazvimostej-v-usb-drajverah-postavlyaemyh-v-yadre-linux","title":{"rendered":"15 kwetsbaarheden in USB-drivers die in de Linux-kernel worden geleverd","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/xairy\">Andr\u00e9 Konovalov<\/a><\/noindex> van Google  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2019\/12\/03\/4\">gepubliceerd<\/a><\/noindex> rapport over het ontdekken van nog eens 15 kwetsbaarheden (CVE-2019-19523 \u2014 CVE-2019-19537) in USB-stuurprogramma's die worden aangeboden in de Linux-kernel. Dit is de derde reeks problemen die zijn gevonden tijdens fuzzing-tests van de USB-stack in het pakket <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/syzkaller\/blob\/master\/docs\/linux\/external_fuzzing_usb.md\">syzkaller<\/a><\/noindex> \u2014 eerder deze onderzoeker <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47523\">al<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51333\">dat er 29 kwetsbaarheden waren.<\/a><\/noindex> Deze keer zijn in de lijst alleen kwetsbaarheden opgenomen die worden veroorzaakt door toegang tot al vrijgegeven geheugenruimten (use-after-free) of die leiden tot datalekken uit de kernelgeheugen. Problemen die kunnen worden gebruikt voor een denial-of-service zijn niet in het rapport opgenomen. De kwetsbaarheden kunnen mogelijk worden misbruikt wanneer speciaal voorbereide USB-apparaten op de computer worden aangesloten. Oplossingen voor alle in het rapport genoemde problemen zijn al opgenomen in de kernel, maar sommige die niet in het rapport staan, <\/p>\n<p>blijven voorlopig onbeheerd. <noindex><a rel=\"nofollow\" href=\"https:\/\/syzkaller.appspot.com\/upstream?manager=ci2-upstream-usb\">fouten<\/a><\/noindex> De meest gevaarlijke kwetsbaarheden van het type \u2018use-after-free\u2019, die kunnen leiden tot de uitvoering van de code van de aanvaller, zijn opgelost in de drivers adutux, ff-memless, ieee802154, pn533, hiddev, iowarrior, mcba_usb en yurex. Onder CVE-2019-19532 zijn 14 kwetsbaarheden in HID-drivers samengevoegd, veroorzaakt door fouten die het schrijven buiten de buffergrenzen mogelijk maken (out-of-bounds write). In de drivers ttusb_dec, pcan_usb_fd en pcan_usb_pro zijn problemen gevonden die leiden tot datalekken uit de kernelgeheugen. In de code van de USB-stack voor het werken met karakterapparaten is een probleem ontdekt (CVE-2019-19537), veroorzaakt door een racecondition.<\/p>\n<p>De meest gevaarlijke kwetsbaarheden van de 'use-after-free'-klasse, die kunnen leiden tot de uitvoering van de code van de aanvaller, zijn verholpen in de stuurprogramma's adutux, ff-memless, ieee802154, pn533, hiddev, iowarrior, mcba_usb en yurex. Onder CVE-2019-19532 zijn bovendien 14 kwetsbaarheden in HID-stuurprogramma's samengevoegd, veroorzaakt door fouten die schrijven buiten de buffergrens (out-of-bounds write) mogelijk maken. In de stuurprogramma's ttusb_dec, pcan_usb_fd en pcan_usb_pro zijn problemen gevonden die leiden tot gegevenslekken uit de kernelgeheugen. In de USB-stackcode voor het omgaan met character devices is een probleem (CVE-2019-19537) vastgesteld, veroorzaakt door een race-condition.<\/p>\n<p>de ontdekking van<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2019\/11\/22\/1\">vier kwetsbaarheden (CVE-2019-14895, CVE-2019-14896, CVE-2019-14897, CVE-2019-14901) in de driver voor draadloze chips van Marvell, die kunnen leiden tot een bufferoverflow. Een aanval kan op afstand worden uitgevoerd door specifieke frames te verzenden bij verbinding met een draadloos toegangspunt van de aanvaller. De meest waarschijnlijke dreiging is een remote denial of service (kernelcrash), maar de mogelijkheid tot code-executie in het systeem kan ook niet worden uitgesloten.<\/a><\/noindex> In de Python-pakkettencatalogus PyPI zijn twee kwaadaardige bibliotheken ontdekt.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51974\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043d\u0434\u0440\u0435\u0439 \u041a\u043e\u043d\u043e\u0432\u0430\u043b\u043e\u0432 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u043e\u0442\u0447\u0451\u0442 \u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u044b\u0445 15 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 (CVE-2019-19523 &#8212; CVE-2019-19537) \u0432 USB-\u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430\u0445, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u044b\u0445 \u0432 \u044f\u0434\u0440\u0435 Linux. \u042d\u0442\u043e \u0442\u0440\u0435\u0442\u044c\u044f \u043f\u043e\u0440\u0446\u0438\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c, \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 fuzzing-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f USB-\u0441\u0442\u0435\u043a\u0430 \u0432 \u043f\u0430\u043a\u0435\u0442\u0435 syzkaller &#8212; \u0440\u0430\u043d\u0435\u0435 \u0434\u0430\u043d\u043d\u044b\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0443\u0436\u0435 \u0441\u043e\u043e\u0431\u0449\u0430\u043b \u043e \u043d\u0430\u043b\u0438\u0447\u0438\u0438 29 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041d\u0430 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437 \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0442\u043e\u043b\u044c\u043a\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u0443\u0436\u0435 [&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-53560","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\" content=\"\u0410\u043d\u0434\u0440\u0435\u0439 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