{"id":109367,"date":"2023-07-12T21:10:19","date_gmt":"2023-07-12T19:10:19","guid":{"rendered":"https:\/\/prohoster.info\/?p=109367"},"modified":"2023-07-13T09:57:04","modified_gmt":"2023-07-13T07:57:04","slug":"uyazvimosti-v-redis-ghostscript-asterisk-i-parse-server","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/uyazvimosti-v-redis-ghostscript-asterisk-i-parse-server","title":{"rendered":"Kwetsbaarheden in Redis, Ghostscript, Asterisk en Parse Server","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Een aantal onlangs ontdekte gevaarlijke kwetsbaarheden:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-24834 \u2014 een kwetsbaarheid in de database Redis, die een buffer-overloop kan veroorzaken in de bibliotheken cjson en cmsgpack bij het uitvoeren van een speciaal ontworpen scenario in de programmeertaal Lua. Deze kwetsbaarheid kan potentieel leiden tot afstandsbediening van code op <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-newyork\/\"   title=\"de server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2763\">de server<\/a>. Het probleem doet zich voor vanaf Redis 2.6 en is verholpen in de versies 7.0.12, 6.2.13 en 6.0.20. Als work-around kan de toegang via ACL worden geblokkeerd voor Redis-gebruikers om de EVAL- en EVALSHA-commando's uit te voeren.\n<li class=\"l\"> CVE-2023-36824 \u2014 een kwetsbaarheid in de Redis-database die leidt tot een buffer overflow bij het verwerken van sleutelnamen die zijn doorgegeven via de COMMAND GETKEYS- of COMMAND GETKEYSANDFLAGS-commando's, evenals sleutellijsten in ACL-regels. Deze kwetsbaarheid kan mogelijk leiden tot het uitvoeren van code op afstand op de server. Het probleem doet zich alleen voor in de 7.0.x tak en is verholpen in versie 7.0.12.\n<li class=\"l\"> CVE-2022-23537 \u2014 een kwetsbaarheid in het communicatieplatform Asterisk, die leidt tot een buffer-overloop bij het parseren van <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-prohoster\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3076\">server<\/a> speciaal opgemaakte STUN-berichten waarin een onbekende attribuut is aangegeven. Het probleem doet zich voor bij het gebruik van de ICE- of WebRTC-protocollen in Asterisk. De kwetsbaarheid is verholpen in de versies 16.30.1, 18.18.1, 19.8.1 en 20.3.1.\n<li class=\"l\"> CVE-2023-36664 \u2014 een kwetsbaarheid in Ghostscript, een set tools voor het verwerken, omzetten en genereren van documenten in de formaten PostScript en PDF, die de uitvoering van willekeurige code mogelijk maakt bij het openen van speciaal ontworpen documenten in het PostScript-formaat. Het probleem wordt veroorzaakt door een onjuiste verwerking van bestandsnamen die beginnen met het teken \u00ab|\u00bb of de prefix %pipe%. De kwetsbaarheid is verholpen in Ghostscript versie 10.01.2.\n<p>In veel omgevingen wordt Ghostscript aangeroepen tijdens het maken van miniatuurafbeeldingen op het bureaublad of bij achtergrondindexering van gegevens. Daarom is het soms voldoende om gewoon een bestand met een exploit te uploaden of de map hiermee in Nautilus te bekijken. Een aanval op serversystemen kan worden georganiseerd via afbeeldingsverwerkers gebaseerd op de ImageMagick- en GraphicsMagick-pakketten, die Ghostscript aanroepen bij het verzenden van JPEG- of PNG-bestanden waarin in plaats van een afbeelding PostScript-code staat (dit bestand zal worden verwerkt in Ghostscript, aangezien het MIME-type wordt herkend op basis van de inhoud en niet op de extensie).    <\/p>\n<li class=\"l\"> CVE-2023-36475 \u2014 een kwetsbaarheid in Parse Server, de backend voor Node.js die werkt met het webframework Express, die het mogelijk maakt om je eigen code op de server op afstand uit te voeren. Deze kwetsbaarheid stelt aanvallers in staat om de prototype-vervuilingstechniek van JavaScript-objecten te gebruiken om hun eigen code uit te voeren via de BSON-parser van MongoDB. De kwetsbaarheid heeft een risiconiveau van 9.8 op 10 gekregen. Het probleem is verholpen in de updates van parse-server 5.5.2 en 6.2.1.      <\/ul>\n<p>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59430\">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 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043e\u043f\u0430\u0441\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2022-24834 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0421\u0423\u0411\u0414 Redis, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0445 cjson \u0438 cmsgpack \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u044f \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Lua. \u041f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. \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 Redis 2.6 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 7.0.12, 6.2.13 \u0438 6.0.20. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0431\u0445\u043e\u0434\u043d\u043e\u0433\u043e [&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-109367","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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