{"id":35876,"date":"2019-10-31T22:07:21","date_gmt":"2019-10-31T19:07:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-platforme-elektronnoj-kommertsii-magento-ustraneno-75-uyazvimostej\/"},"modified":"2019-10-31T22:07:21","modified_gmt":"2019-10-31T19:07:21","slug":"v-platforme-elektronnoj-kommertsii-magento-ustraneno-75-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/v-platforme-elektronnoj-kommertsii-magento-ustraneno-75-uyazvimostej","title":{"rendered":"75 s\u00e5rbarheter har \u00e5tg\u00e4rdats i e-handelsplattformen Magento","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e5 den \u00f6ppna plattformen f\u00f6r e-handelsorganisationer <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/magento\">Magento<\/a><\/noindex>, som upptar omkring <noindex><a rel=\"nofollow\" href=\"https:\/\/pagely.com\/blog\/top-ecommerce-platforms-2018-compared\/\">20%<\/a><\/noindex> marknaden f\u00f6r system f\u00f6r att skapa webbshoppar, <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.ripstech.com\/2019\/magento-rce-via-xss\/\">identifierats<\/a><\/noindex> s\u00e5rbarheter, vars kombination m\u00f6jligg\u00f6r attacker f\u00f6r att k\u00f6ra sin kod p\u00e5 servern, f\u00e5 full kontroll \u00f6ver webbshoppen och organisera omdirigering av betalningar. S\u00e5rbarheterna <noindex><a rel=\"nofollow\" href=\"https:\/\/magento.com\/security\/patches\/magento-2.3.2-2.2.9-and-2.1.18-security-update-13\">l\u00f6sta<\/a><\/noindex> i versionerna Magento 2.3.2, 2.2.9 och 2.1.18, d\u00e4r totalt 75 s\u00e4kerhetsproblem har \u00e5tg\u00e4rdats.<\/p>\n<p>Ett av problemen g\u00f6r det m\u00f6jligt f\u00f6r en icke-autentiserad anv\u00e4ndare att injicera JavaScript-kod (XSS) som kan utf\u00f6ras n\u00e4r man visar loggen \u00f6ver avbrutna k\u00f6p i administrationsgr\u00e4nssnittet. K\u00e4rnan i s\u00e5rbarheten \u00e4r m\u00f6jligheten att kringg\u00e5 textrensningsoperationen med hj\u00e4lp av funktionen escapeHtmlWithLinks() vid bearbetning av noteringar i avbokningsformul\u00e4ret p\u00e5 sk\u00e4rmen f\u00f6r b\u00f6rjan av k\u00f6pprocessen (anv\u00e4ndning av en l\u00e4nk i en annan tagg, t.ex. &#171;a href=http:\/\/onmouseover=&#8230;&#187;). Problemet uppst\u00e5r n\u00e4r den inbyggda modulen Authorize.Net anv\u00e4nds f\u00f6r att ta emot betalningar med kreditkort.<\/p>\n<p>F\u00f6r att f\u00e5 full kontroll via JavaScript-kod i kontexten av den nuvarande sessionen f\u00f6r butikspersonalen utnyttjas den andra s\u00e5rbarheten, som till\u00e5ter att en phar-fil laddas upp som en bild (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49746\">genomf\u00f6rande<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49641\">attacker<\/a><\/noindex> &#171;Phar-deserialisering&#187;). En Phar-fil kan laddas upp via bildenl\u00e4ggningsformul\u00e4ret i den inbyggda WYSIWYG-redigeraren. N\u00e4r angriparen lyckas k\u00f6ra sin PHP-kod kan han sedan \u00e4ndra betalningsinformation eller organisera avlyssning av kunders kreditkortsinformation. <\/p>\n<p>Intressant nog skickades information om XSS-problemet till Magento-utvecklarna redan i september 2018, varefter ett patch sl\u00e4pptes i slutet av november, som visade sig \u00e5tg\u00e4rda endast ett av de specifika fallen och l\u00e4tt kunde kringg\u00e5s. I januari rapporterades dessutom m\u00f6jligheten att ladda upp en Phar-fil under f\u00f6respeglingen av en bild, och det visades hur kombinationen av tv\u00e5 s\u00e5rbarheter kan utnyttjas f\u00f6r att kompromettera webbshoppar. I slutet av mars \u00e5tg\u00e4rdades problemet med Phar-filer i Magento 2.3.1,<br \/>\n2.2.8 och 2.1.17, men XSS-fixet gl\u00f6mdes bort, trots att biljetten f\u00f6r problemet st\u00e4ngdes. I april \u00e5terupptogs granskningen av XSS och problemet \u00e5tg\u00e4rdades i versionerna  2.3.2, 2.2.9 och 2.1.18. <\/p>\n<p>Det b\u00f6r noteras att de angivna utg\u00e5vorna ocks\u00e5 \u00e5tg\u00e4rdat 75 s\u00e5rbarheter, d\u00e4r niv\u00e5erna f\u00f6r 16 av dessa markerats som kritiska, och 20 problem kan leda till k\u00f6rning av PHP-kod eller SQL-injektioner. De flesta kritiska problem kan endast utnyttjas av autentiserade anv\u00e4ndare, men som visats ovan \u00e4r det inte sv\u00e5rt att uppn\u00e5 autentiserade \u00e5tg\u00e4rder genom XSS-s\u00e5rbarheter, av vilka det har \u00e5tg\u00e4rdats flera dussin i de n\u00e4mnda utg\u00e5vorna.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51027\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043c\u0435\u0440\u0446\u0438\u0438 Magento, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u043a\u043e\u043b\u043e 20% \u0440\u044b\u043d\u043a\u0430 \u0441\u0438\u0441\u0442\u0435\u043c \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u043c\u0430\u0433\u0430\u0437\u0438\u043d\u043e\u0432, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0432\u0435\u0440\u0448\u0438\u0442\u044c \u0430\u0442\u0430\u043a\u0443 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u043d\u0430\u0434 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u043c\u0430\u0433\u0430\u0437\u0438\u043d\u043e\u043c \u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043b\u0430\u0442\u0435\u0436\u0435\u0439. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 Magento 2.3.2, 2.2.9 \u0438 2.1.18, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0432 \u0441\u0443\u043c\u043c\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 75 \u043f\u0440\u043e\u0431\u043b\u0435\u043c, [&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-35876","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043c\u0435\u0440\u0446\u0438\u0438 Magento, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u043a\u043e\u043b\u043e\" \/>\n\t<meta name=\"robots\" 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