{"id":112005,"date":"2023-12-05T15:10:42","date_gmt":"2023-12-05T13:10:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284"},"modified":"2023-12-05T15:10:42","modified_gmt":"2023-12-05T13:10:42","slug":"fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284","title":{"rendered":"A fish 3.6.2 \u00e9s 3.6.3 kiad\u00e1sa a CVE-2023-49284 foltoz\u00e1s\u00e1val","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Megjelent a fish interakt\u00edv parancssori k\u00f6rnyezet\u00e9nek 3.6.2-es korrekci\u00f3s kiad\u00e1sa, amely jav\u00edtja a s\u00e9r\u00fcl\u00e9kenys\u00e9get. <a rel=\"nofollow\" href=\"https:\/\/github.com\/fish-shell\/fish-shell\/security\/advisories\/GHSA-2j9r-pm96-wp4f\">CVE-2023-49284<\/a>.<\/p>\n<p><\/noindex><\/noindex>  <\/p>\n<p>A fish shell bizonyos Unicode karaktereket haszn\u00e1l bels\u0151 helyettes\u00edt\u00e9si c\u00edmk\u00e9khez \u00e9s kiterjeszt\u00e9sekhez. Ez a hib\u00e1s megk\u00f6zel\u00edt\u00e9s lehet\u0151v\u00e9 tette ezeknek a karaktereknek az olvas\u00e1s\u00e1t a parancshelyettes\u00edt\u00e9si kimenetben, ahelyett, hogy biztons\u00e1gos bels\u0151 reprezent\u00e1ci\u00f3ra alak\u00edtan\u00e1k \u0151ket.<\/p>\n<p>B\u00e1r ez v\u00e1ratlan viselked\u00e9st okozhat k\u00f6zvetlen bevitel sor\u00e1n (p\u00e9ld\u00e1ul az echo UFDD2HOME ugyanazt a kimenetet adja, mint az echo $HOME), ez biztons\u00e1gi kock\u00e1zatot jelenthet, ha a kimenetet egy k\u00fcls\u0151 program biztos\u00edtja a parancshelyettes\u00edt\u00e9sben, ahol az ilyen kimenet nem v\u00e1rhat\u00f3.<\/p>\n<p>Ez a tervez\u00e9si hiba a fish korai verzi\u00f3iban jelent meg, m\u00e9g a verzi\u00f3kezel\u0151 rendszer megjelen\u00e9se el\u0151tt, \u00e9s \u00fagy v\u00e9lik, hogy minden olyan fish verzi\u00f3ban jelen van, amely az utols\u00f3 15 \u00e9vben vagy ann\u00e1l r\u00e9gebben megjelent, hab\u00e1r k\u00fcl\u00f6nb\u00f6z\u0151 karakterekkel.<\/p>\n<p>K\u00f3dv\u00e9grehajt\u00e1s nem lehets\u00e9ges, de DoS-t\u00e1mad\u00e1s (a z\u00e1r\u00f3jelek nagy mennyis\u00e9g\u00e9nek felfed\u00e9s\u00e9vel) vagy inform\u00e1ci\u00f3s sziv\u00e1rg\u00e1s (p\u00e9ld\u00e1ul v\u00e1ltoz\u00f3k kiterjeszt\u00e9s\u00e9n kereszt\u00fcl) potenci\u00e1lisan el\u0151fordulhat bizonyos k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt.<\/p>\n<p>A 3.6.3-as verzi\u00f3ban csak a tesztek jav\u00edtva lettek.<\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/17442560\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a 3.6.2 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u043e\u0431\u043e\u043b\u043e\u0447\u043a\u0438 fish \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 CVE-2023-49284. fish shell \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u044b Unicode \u0434\u043b\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u043c\u0430\u0440\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u0447\u043d\u044b\u0445 \u0437\u043d\u0430\u043a\u043e\u0432 \u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439. \u042d\u0442\u043e\u0442 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u043b \u0447\u0438\u0442\u0430\u0442\u044c \u044d\u0442\u0438 \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u0432 \u0432\u044b\u0432\u043e\u0434\u0435 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043a\u043e\u043c\u0430\u043d\u0434, \u0432\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0432 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0435 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435. \u0425\u043e\u0442\u044f \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043f\u0440\u0438 \u043f\u0440\u044f\u043c\u043e\u043c \u0432\u0432\u043e\u0434\u0435 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, [&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-112005","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=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a 3.6.2 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u043e\u0431\u043e\u043b\u043e\u0447\u043a\u0438 fish \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c 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