{"id":8802,"date":"2022-09-15T09:22:42","date_gmt":"2022-09-15T09:22:42","guid":{"rendered":"https:\/\/www.novotek.com\/no\/?p=8802"},"modified":"2022-09-15T09:22:44","modified_gmt":"2022-09-15T09:22:44","slug":"kritisk-sarbarhet-i-kepserverex-dette-ma-du-gjore","status":"publish","type":"post","link":"https:\/\/www.novotek.com\/no\/nyheter\/kritisk-sarbarhet-i-kepserverex-dette-ma-du-gjore\/","title":{"rendered":"Kritisk s\u00e5rbarhet i KEPServerEX: Dette m\u00e5 du gj\u00f8re"},"content":{"rendered":"<div class=\"container-md paragraph  \">\n<p><strong>CISA (Cybersecurity &amp; Infrastructure Security Agency) og PTC\/Kepware har rapportert om en kritisk s\u00e5rbarhet i OPC-kommunikasjonsplattformen KEPServerEX. Se alle komponenter som er p\u00e5virket, og hvordan du kan redusere risikoen her.&nbsp;<\/strong><\/p>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h2 class=\"wp-block-heading\" id=\"h-om-sarbarheten\">Om s\u00e5rbarheten<\/h2>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p>S\u00e5rbarheten inneb\u00e6rer en svakhet som gir KEPServerEX lav angrepskompleksitet, og er utnyttbar eksternt. En vellykket utnyttelse av s\u00e5rbarhetene kan tillate en angriper \u00e5 krasje enheten eller kj\u00f8re ekstern kode.<\/p>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h3 class=\"wp-block-heading\" style=\"font-size:24px\">Heap-based Buffer Overflow CWE-122<\/h3>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p>Spesialtilpassede OPC UA-meldinger som sendes til serveren kan tillate en angriper \u00e5 krasje serveren og lekke data.<\/p>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p><strong>CVSS 3.1 Score:<\/strong>&nbsp;9.1 &#8211; kritisk<\/p>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h3 class=\"wp-block-heading\" style=\"font-size:24px\">Stack-based Buffer Overflow\u00a0<strong>CWE-121<\/strong><\/h3>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p>Spesialtilpassede OPC UA-meldinger som sendes til serveren kan tillate en angriper \u00e5 krasje serveren og kj\u00f8re ekstern kode.&nbsp;<\/p>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p><strong>CVSS 3.1 Score:<\/strong>&nbsp;9.8 &#8211; kritisk<\/p>\n<\/div>\n\n<div class=\"container-md spacer  \">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h2 class=\"wp-block-heading\">P\u00e5virkede produkter<\/h2>\n<\/div>\n\n<div class=\"container-md list  \">\n<ul class=\"has-background wp-block-list\" style=\"background-color:#f8f8f8\"><li>KEPServerEX 5.20.396.0 \u2013 6.11<\/li><li>ThingWorx Kepware Server 8.0 \u2013 6.11<\/li><li>ThingWorx Kepware Edge 1.0 \u2013 1.4<\/li><\/ul>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h3 class=\"wp-block-heading\" style=\"font-size:24px\">F\u00f8lgende produkter er p\u00e5virket av s\u00e5rbarhetene som er funnet i Kepware KEPServerEX:\u00a0<\/h3>\n<\/div>\n\n<div class=\"container-md list  \">\n<ul class=\"has-background wp-block-list\" style=\"background-color:#f8f8f8\"><li>Kepware KEPServerEX: v6.11 og tidligere<\/li><li>ThingWorx Kepware Server: v6.11 og tidligere<\/li><li>ThingWokx Industrial Connectivity: Alle versjoner<\/li><li>OPC-Aggregator: v6.11 og tidligere<\/li><li>ThingWorx Kepware Edge: v1.4 og tidligere<\/li><\/ul>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h3 class=\"wp-block-heading\" style=\"font-size:24px\">F\u00f8lgende produkter kan ha s\u00e5rbare komponenter:<\/h3>\n<\/div>\n\n<div class=\"container-md list  \">\n<ul class=\"has-background wp-block-list\" style=\"background-color:#f8f8f8\"><li>Rockwell Automation KEPServer Enterprise: v6.11 og tidligere<\/li><li>GE Digital Industrial Gateway Server: v7.611 og tidligere<\/li><li>Software Toolbox TOP Server: v6.11 og tidligere<\/li><\/ul>\n<\/div>\n\n<div class=\"container-md spacer  \">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h2 class=\"wp-block-heading\">Dette m\u00e5 du gj\u00f8re<\/h2>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h3 class=\"wp-block-heading\" style=\"font-size:24px\">PTC anbefaler \u00e5 oppdatere til siste versjon av f\u00f8lgende produkter:<\/h3>\n<\/div>\n\n<div class=\"container-md list  \">\n<ul class=\"has-background wp-block-list\" style=\"background-color:#f8f8f8\"><li>Kepware KEPServerEX b\u00f8r oppdateres til versjon 6.12 eller nyere<\/li><li>ThingWorx Kepware Server b\u00f8r oppdateres til versjon 6.12 eller nyere<\/li><li>ThingWorx Industrial Connectivity b\u00f8r oppdateres til ThingWorx Kepware Server versjon 6.12 eller nyere<\/li><li>OPC-Aggregator b\u00f8r oppdateres til versjon 6.12 eller nyere<\/li><li>ThingWorx Kepware Edge b\u00f8r oppdateres til versjon 1.5 eller nyere<\/li><\/ul>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p>For mer informasjon og instruksjoner om oppgradering av PTC-programvare, se PTC\u2019s\u00a0<strong><a href=\"https:\/\/www.ptc.com\/en\/support\/article\/CS375312\">security advisory<\/a><\/strong> (innlogging kreves).<\/p>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h3 class=\"wp-block-heading\" style=\"font-size:24px\">PTC anbefaler \u00e5 oppgradere f\u00f8lgende produkter til siste versjon der det er mulig:<\/h3>\n<\/div>\n\n<div class=\"container-md list  \">\n<ul class=\"has-background wp-block-list\" style=\"background-color:#f8f8f8\"><li>Rockwell Automation KEPServer Enterprise: v.13.01.00 eller nyere<\/li><li>GE Digital Industrial Gateway Server: v.612 eller nyere<\/li><li>Software Toolbox TOP Server: v6.12 eller nyere<\/li><\/ul>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p>Brukere av disse produktene b\u00f8r ta kontakt med leverand\u00f8r for ytterligere informasjon eller hjelp.<\/p>\n<\/div>\n\n<div class=\"container-md spacer  \">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h2 class=\"wp-block-heading\">CISA anbefaler tiltak for \u00e5 minimere risiko for utnyttelse av s\u00e5rbarhet<\/h2>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p><strong>Konkret b\u00f8r du:\u00a0<\/strong><\/p>\n<\/div>\n\n<div class=\"container-md list  \">\n<ul class=\"wp-block-list\"><li>Minimere nettverkseksponering for kontrollsystemenheter og\/eller systemer, og s\u00f8rge for at de ikke er tilgjengelige fra internett.&nbsp;<\/li><li>Finne kontrollsystemnettverk og eksterne enheter bak brannmurer, og isolere dem fra bedriftsnettverket.<\/li><li>N\u00e5r ekstern tilgang er n\u00f8dvendig, bruk sikre metoder, for eksempel VPN. Pass p\u00e5 VPN kan ha s\u00e5rbarheter, og b\u00f8r oppdateres til den nyeste versjonen som er tilgjengelig. VPN er bare like sikker som de tilkoblede enhetene.<\/li><\/ul>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p>Se anbefalte fremgangsm\u00e5ter for sikkerhet for kontrollsystemer p\u00e5\u00a0<strong><a href=\"https:\/\/www.cisa.gov\/uscert\/ics\/Recommended-Practices\">CISA sin nettside<\/a><\/strong>.<\/p>\n<\/div>\n\n<div class=\"container-md spacer  \">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<div class=\"container-md paragraph  \">\n<p><strong>Denne informasjonen er hentet fra CISA og PTC:<\/strong><br><a href=\"https:\/\/www.cisa.gov\/uscert\/ics\/advisories\/icsa-22-242-10\">https:\/\/www.cisa.gov\/uscert\/ics\/advisories\/icsa-22-242-10<\/a><br><a href=\"https:\/\/www.ptc.com\/en\/support\/article\/CS375312\">https:\/\/www.ptc.com\/en\/support\/article\/CS375312<\/a><\/p>\n<\/div>\n\n<div class=\"container-md spacer  \">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<div class=\"container-md heading  \">\n<h2 class=\"has-text-align-left wp-block-heading\" id=\"h-kontakt-oss\">Kontakt oss!<\/h2>\n<\/div>\n\n<div class=\"container-md paragraph  alignleft\">\n<p class=\"has-text-align-left\">Har du sp\u00f8rsm\u00e5l om s\u00e5rbarheten eller trenger hjelp til \u00e5 oppdatere din KEPServerEX-lisens? Kontakt oss p\u00e5 support@novotek.no eller 33 16 58 00.<\/p>\n<\/div>\n\n<div class=\"container-md spacer  \">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<div class=\"container-md buttons  \">\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><div class=\"container-md button  aligncenter\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background\" style=\"background-color:#e70029\">Kontakt oss<\/a><\/div>\n<\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>CISA og PTC\/Kepware har rapportert om en kritisk s\u00e5rbarhet i KEPServerEX. Se alle komponenter som er p\u00e5virket, og hvordan du kan redusere risikoen her. <\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"7199,4852,3416,6742,8032,3575","_relevanssi_noindex_reason":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-8802","post","type-post","status-publish","format-standard","hentry","category-informasjon"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kritisk s\u00e5rbarhet i KEPServerEX: Dette m\u00e5 du gj\u00f8re - Novotek Norge<\/title>\n<meta name=\"description\" content=\"CISA og PTC\/Kepware har rapportert om en kritisk s\u00e5rbarhet i KEPServerEX. 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