{"id":181261,"date":"2023-08-30T12:49:49","date_gmt":"2023-08-30T10:49:49","guid":{"rendered":"https:\/\/www.deskmodder.de\/blog\/?p=181261"},"modified":"2023-08-30T14:13:05","modified_gmt":"2023-08-30T12:13:05","slug":"notepad-mit-offenen-luecken","status":"publish","type":"post","link":"https:\/\/www.deskmodder.de\/blog\/2023\/08\/30\/notepad-mit-offenen-luecken\/","title":{"rendered":"Notepad++ mit offenen L\u00fccken"},"content":{"rendered":"

Mal kurz informiert: Beim Notepad++ klaffen 4 offene Sicherheitsl\u00fccken, die auch in der aktuellen Version 8.5.6<\/a> noch nicht geschlossen wurden. Dabei wird eine L\u00fccke (CVE-2023-40031) mit „Hoch“ eingestuft. Wandelt man UTF16 zu UTF8 um, kann es einen Buffer Overflow ausl\u00f6sen.<\/p>\n

\"\"<\/a><\/p>\n

Die Sicherheitsforscher haben sich mit den Entwicklern schon in Verbindung gesetzt. Bisher aber kaum R\u00fcckmeldungen erhalten. Da die Sicherheitsforscher keine genauen Angaben machen, wie die L\u00fccken wirklich ausgenutzt werden k\u00f6nnen, ist es derzeit unklar, wie eine Attacke abl\u00e4uft \/ ablaufen kann.<\/p>\n

Bis hier weitere Informationen bekanntgegeben werden, solltet ihr nur vertrauensw\u00fcrdige Dateien mit Notepad++ \u00f6ffnen. Aber ich gehe mal davon aus, dass ihr es sonst auch schon immer so macht.<\/p>\n

Quelle: securitylab.github<\/a><\/div>
via: heise<\/a><\/div><\/div>\n

Danke an Tobias f\u00fcr die Nachricht und Hinweis.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Mal kurz informiert: Beim Notepad++ klaffen 4 offene Sicherheitsl\u00fccken, die auch in der aktuellen Version 8.5.6 noch nicht geschlossen wurden. Dabei wird eine L\u00fccke (CVE-2023-40031) mit „Hoch“ eingestuft. Wandelt man UTF16 zu UTF8 um, kann es einen Buffer Overflow ausl\u00f6sen.… <\/p>\n","protected":false},"author":134,"featured_media":139950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[152],"tags":[9543],"class_list":["post-181261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-notepad"],"wp_featured_image":{"id":139950,"alt_text":"","description":"","media_type":"image","media_details":{"width":1566,"height":924,"file":"2020\/06\/notepad-logo.jpg","sizes":{"medium":{"file":"notepad-logo-500x295.jpg","width":500,"height":295,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-500x295.jpg"},"large":{"file":"notepad-logo-810x478.jpg","width":810,"height":478,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-810x478.jpg"},"thumbnail":{"file":"notepad-logo-306x181.jpg","width":306,"height":181,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-306x181.jpg"},"1536x1536":{"file":"notepad-logo-1536x906.jpg","width":1536,"height":906,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-1536x906.jpg"},"wp_review_large":{"file":"notepad-logo-320x200.jpg","width":320,"height":200,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-320x200.jpg"},"wp_review_small":{"file":"notepad-logo-65x65.jpg","width":65,"height":65,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-65x65.jpg"},"blog-large":{"file":"notepad-logo-642x300.jpg","width":642,"height":300,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-642x300.jpg"},"blog-medium":{"file":"notepad-logo-306x205.jpg","width":306,"height":205,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-306x205.jpg"},"recent-thumb":{"file":"notepad-logo-350x316.jpg","width":350,"height":316,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-350x316.jpg"},"service-featured":{"file":"notepad-logo-600x330.jpg","width":600,"height":330,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-600x330.jpg"},"wp_rp_thumbnail":{"file":"notepad-logo-50x50.jpg","width":50,"height":50,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo-50x50.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]}},"post":139947,"source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo.jpg"},"commentcount":6,"wp_comments":[{"id":253540,"parent":0,"author":0,"author_name":"Ingo","author_email":"ich@ingoboettcher.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/5a0c425eb8c121489d0b36b2c85effdf0e649ea529265c4b90c7ce062790cf52?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/5a0c425eb8c121489d0b36b2c85effdf0e649ea529265c4b90c7ce062790cf52?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/5a0c425eb8c121489d0b36b2c85effdf0e649ea529265c4b90c7ce062790cf52?s=96&d=mm&r=g"},"date":"2023-08-30T14:08:35","cld_nonce":"2c6819c04b","content":{"rendered":"

Da N++ mit den Berechtigungen des angemeldeten Nutzers l\u00e4uft, ist das Schadpotenzial allerdings vergleichsweise klein. Es gibt dadurch keine Privilege Escalation, d.h. man kann sich damit nicht mehr Rechte beschaffen.<\/p>\n"},"status":"1"},{"id":253544,"parent":253540,"author":0,"author_name":"ladiko","author_email":"ladiko@web.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/06f486ddcc9a61d1c9ab3c402f10a2049a40fd788d6e81830301528b3381237b?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/06f486ddcc9a61d1c9ab3c402f10a2049a40fd788d6e81830301528b3381237b?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/06f486ddcc9a61d1c9ab3c402f10a2049a40fd788d6e81830301528b3381237b?s=96&d=mm&r=g"},"date":"2023-08-30T15:01:09","cld_nonce":"2c6819c04b","content":{"rendered":"

Es gibt den sehr unwahrscheinlichen Fall, dass man ein Dokument z.B. unter %PROGRAMFILES% \u00e4ndern und speichern m\u00f6chte, dann fragt N++ ob man es mit Admin-Rechten und dem Dokument neustarten m\u00f6chte. Aber wie du schon sagst ein sehr unwahrscheinliches Szenario, dass N++ jemals mit mehr als einfachen Benutzer-Rechten l\u00e4uft.<\/p>\n"},"status":"1"},{"id":253551,"parent":253540,"author":0,"author_name":"Florian","author_email":"florian@web.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/91acfe73ec86ccf7289b3b4f6342d6c9f7f215d320b42031309c4ccd5cbdc0e3?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/91acfe73ec86ccf7289b3b4f6342d6c9f7f215d320b42031309c4ccd5cbdc0e3?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/91acfe73ec86ccf7289b3b4f6342d6c9f7f215d320b42031309c4ccd5cbdc0e3?s=96&d=mm&r=g"},"date":"2023-08-30T16:35:34","cld_nonce":"2c6819c04b","content":{"rendered":"

\ud83e\udd14 …Da die Sicherheitsforscher keine genauen Angaben machen, wie die L\u00fccken wirklich ausgenutzt werden k\u00f6nnen, ist es derzeit unklar, wie eine Attacke abl\u00e4uft \/ ablaufen kann…<\/p>\n

Das hei\u00dft, es wurde noch nicht bekannt gegeben wie die L\u00fccke augenutzt wird. Auch mit einfachen Nutzerrechten kann ein ausgef\u00fchrtes Programm eine Sicherheitsl\u00fccke f\u00fcr erh\u00f6hte Rechte ausf\u00fchren – also theoretisch ist man etwas sicherer, aber je nachdem wie die Sicherheitsl\u00fccke funktioniert, ist man nicht sicherer mit weniger Rechten.<\/p>\n"},"status":"1"},{"id":253565,"parent":0,"author":0,"author_name":"Marc Niguen","author_email":"marc.niguen@rhyta.com","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/d6d086501faae04d1b84e3d7912d303f048aaddc7e73ae9601465cf8763a80a5?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/d6d086501faae04d1b84e3d7912d303f048aaddc7e73ae9601465cf8763a80a5?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/d6d086501faae04d1b84e3d7912d303f048aaddc7e73ae9601465cf8763a80a5?s=96&d=mm&r=g"},"date":"2023-08-30T19:11:31","cld_nonce":"2c6819c04b","content":{"rendered":"

Im Worst-Case ist es eine Sicherheitsl\u00fccke im Updater von N++.
\nDie einzige netzwerkf\u00e4hige Komponente von N++ ist der (optionale) Updatemechanismus.
\nSollte es jemand schaffen N++ manipulierte Updatepakete unterzuschieben, dann sind wir bei einer RCE-L\u00fccke angelangt. Zwar eine RCE-L\u00fccke, die in der Regel Userinteraktion erfordert, denn zum Installieren werden normalerweise administrative Rechte ben\u00f6tigt, was eine Best\u00e4tigung erfordert, aber nichtsdestotrotz eine RCE-L\u00fccke.<\/p>\n

Hoffen wir dass ich mich irre und es sich um was triviales handelt. \";)\"<\/p>\n"},"status":"1"},{"id":253568,"parent":253565,"author":0,"author_name":"Marc Niguen","author_email":"Marc.niguen@rhyta.com","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/d6d086501faae04d1b84e3d7912d303f048aaddc7e73ae9601465cf8763a80a5?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/d6d086501faae04d1b84e3d7912d303f048aaddc7e73ae9601465cf8763a80a5?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/d6d086501faae04d1b84e3d7912d303f048aaddc7e73ae9601465cf8763a80a5?s=96&d=mm&r=g"},"date":"2023-08-30T19:21:21","cld_nonce":"2c6819c04b","content":{"rendered":"

Ignoriert meinen nonsense. Man sollte erst lesen (auch die Quellen), dann w\u00e4re mir klar gewesen, dass es nicht um den Updater geht. \";)\"<\/p>\n"},"status":"1"},{"id":254030,"parent":0,"author":0,"author_name":"Loppe","author_email":"Loppe@Loppe.Loppe","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/007f2e770941bfe30f331f8f9e60b0b5a977732c6b0e7615f5078439b2072361?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/007f2e770941bfe30f331f8f9e60b0b5a977732c6b0e7615f5078439b2072361?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/007f2e770941bfe30f331f8f9e60b0b5a977732c6b0e7615f5078439b2072361?s=96&d=mm&r=g"},"date":"2023-09-08T06:37:58","cld_nonce":"2c6819c04b","content":{"rendered":"

https:\/\/notepad-plus-plus.org\/downloads\/v8.5.7\/<\/a><\/p>\n"},"status":"1"}],"wp_author":{"id":134,"name":"moinmoin","description":"Ich bin nicht allwissend, was Windows<\/a> angeht. Aber genau deshalb nehme ich Windows gerne auseinander und unter die Lupe, um all mein Wissen zu erweitern. J\u00fcrgen<\/i>","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=96&d=mm&r=g"}},"cld_nonce":"2c6819c04b","yoast_head":"\nNotepad++ mit offenen L\u00fccken - Deskmodder.de<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.deskmodder.de\/blog\/2023\/08\/30\/notepad-mit-offenen-luecken\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Notepad++ mit offenen L\u00fccken\" \/>\n<meta property=\"og:description\" content=\"Mal kurz informiert: Beim Notepad++ klaffen 4 offene Sicherheitsl\u00fccken, die auch in der aktuellen Version 8.5.6 noch nicht geschlossen wurden. Dabei wird eine L\u00fccke (CVE-2023-40031) mit „Hoch“ eingestuft. Wandelt man UTF16 zu UTF8 um, kann es einen Buffer Overflow ausl\u00f6sen.…\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.deskmodder.de\/blog\/2023\/08\/30\/notepad-mit-offenen-luecken\/\" \/>\n<meta property=\"og:site_name\" content=\"Deskmodder.de\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Deskmodder\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-30T10:49:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-30T12:13:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/06\/notepad-logo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1566\" \/>\n\t<meta property=\"og:image:height\" content=\"924\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"moinmoin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Deskmodder\" \/>\n<meta name=\"twitter:site\" content=\"@Deskmodder\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/\"},\"author\":{\"name\":\"moinmoin\",\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/#\\\/schema\\\/person\\\/a40b17a9503c4a1568ac4073bb54182a\"},\"headline\":\"Notepad++ mit offenen L\u00fccken\",\"datePublished\":\"2023-08-30T10:49:49+00:00\",\"dateModified\":\"2023-08-30T12:13:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/\"},\"wordCount\":141,\"commentCount\":6,\"publisher\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/notepad-logo.jpg\",\"keywords\":[\"Notepad\"],\"articleSection\":[\"Software & Updates\"],\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/#respond\"]}],\"copyrightYear\":\"2023\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/\",\"url\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2023\\\/08\\\/30\\\/notepad-mit-offenen-luecken\\\/\",\"name\":\"Notepad++ mit offenen L\u00fccken - 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