{"id":754,"date":"2021-04-05T15:58:20","date_gmt":"2021-04-05T15:58:20","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&#038;p=754"},"modified":"2021-06-24T10:57:25","modified_gmt":"2021-06-24T08:57:25","slug":"sudo-cve-2021-3156","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/","title":{"rendered":"Sudo CVE-2021-3156"},"content":{"rendered":"\n<p>Aplikace <code>sudo<\/code>, kter\u00e1 slou\u017e\u00ed na nav\u00fd\u0161en\u00ed pr\u00e1v specifick\u00fdm u\u017eivatel\u016fm v linuxov\u00fdch distribuc\u00edch, obsahuje z\u00e1va\u017enou bezpe\u010dnostn\u00ed chybu <a rel=\"noreferrer noopener\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2021-3156\" target=\"_blank\">CVE-2021\u20133156<\/a>. Ta umo\u017e\u0148uje z\u00edskat neopr\u00e1vn\u011bn\u00e1 pr\u00e1va do syst\u00e9m\u016f kter\u00e9mukoliv lok\u00e1ln\u00edmu u\u017eivateli, kter\u00fd se v syst\u00e9mu nach\u00e1z\u00ed. A to i bez toho, aby byl u\u017eivatel v konfigura\u010dn\u00edm souboru <code>sudoers<\/code>.<\/p>\n\n\n\n<p>Zranitelnost se vyskytuje ve verz\u00edch 1.9.0 a\u017e 1.9.5p1 a star\u0161\u00edch verz\u00edch 1.8.2 a\u017e 1.8.31p2. Dot\u00fdk\u00e1 se tedy v\u011bt\u0161iny aktu\u00e1ln\u00edch distribuc\u00ed.<\/p>\n\n\n\n<p>Tento bezpe\u010dnostn\u00ed <strong>probl\u00e9m je opraven\u00fd ve verzi <code>sudo<\/code> 1.9.5p2<\/strong>, na kterou doporu\u010dujeme neodkladn\u011b aktualizovat.<\/p>\n\n\n\n<p><strong>Tip: <\/strong>V p\u0159\u00edpad\u011b, \u017ee mate k va\u0161emu serveru slu\u017ebu <a href=\"https:\/\/www.websupport.sk\/sprava-serverov\">Spr\u00e1va server\u016f<\/a>, pot\u0159ebnou aktualizaci jsme u\u017e vykonali. V\u00e1\u0161 syst\u00e9m je tak u\u017e v\u016f\u010di t\u00e9to zranitelnosti chr\u00e1n\u011bn\u00fd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aplikace sudo, kter\u00e1 slou\u017e\u00ed na nav\u00fd\u0161en\u00ed pr\u00e1v specifick\u00fdm u\u017eivatel\u016fm v linuxov\u00fdch distribuc\u00edch, obsahuje z\u00e1va\u017enou bezpe\u010dnostn\u00ed chybu CVE-2021\u20133156. Ta umo\u017e\u0148uje z\u00edskat neopr\u00e1vn\u011bn\u00e1 pr\u00e1va do syst\u00e9m\u016f kter\u00e9mukoliv lok\u00e1ln\u00edmu u\u017eivateli, kter\u00fd se v syst\u00e9mu nach\u00e1z\u00ed. A to i bez toho, aby byl u\u017eivatel v konfigura\u010dn\u00edm souboru sudoers. Zranitelnost se vyskytuje ve verz\u00edch 1.9.0&#8230;<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[120],"ht-kb-tag":[],"class_list":["post-754","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-bezpecnost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sudo CVE-2021-3156 - Websupport Centrum n\u00e1pov\u011bdy<\/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.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sudo CVE-2021-3156 - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"Aplikace sudo, kter\u00e1 slou\u017e\u00ed na nav\u00fd\u0161en\u00ed pr\u00e1v specifick\u00fdm u\u017eivatel\u016fm v linuxov\u00fdch distribuc\u00edch, obsahuje z\u00e1va\u017enou bezpe\u010dnostn\u00ed chybu CVE-2021\u20133156. Ta umo\u017e\u0148uje z\u00edskat neopr\u00e1vn\u011bn\u00e1 pr\u00e1va do syst\u00e9m\u016f kter\u00e9mukoliv lok\u00e1ln\u00edmu u\u017eivateli, kter\u00fd se v syst\u00e9mu nach\u00e1z\u00ed. A to i bez toho, aby byl u\u017eivatel v konfigura\u010dn\u00edm souboru sudoers. Zranitelnost se vyskytuje ve verz\u00edch 1.9.0...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/\" \/>\n<meta property=\"og:site_name\" content=\"Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"article:modified_time\" content=\"2021-06-24T08:57:25+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/kb\\\/sudo-cve-2021-3156\\\/\",\"url\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/kb\\\/sudo-cve-2021-3156\\\/\",\"name\":\"Sudo CVE-2021-3156 - Websupport Centrum n\u00e1pov\u011bdy\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/#website\"},\"datePublished\":\"2021-04-05T15:58:20+00:00\",\"dateModified\":\"2021-06-24T08:57:25+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/kb\\\/sudo-cve-2021-3156\\\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/kb\\\/sudo-cve-2021-3156\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/kb\\\/sudo-cve-2021-3156\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sudo CVE-2021-3156\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/#website\",\"url\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/\",\"name\":\"Websupport Centrum n\u00e1pov\u011bdy\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.websupport.cz\\\/podpora\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Sudo CVE-2021-3156 - Websupport Centrum n\u00e1pov\u011bdy","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/","og_locale":"cs_CZ","og_type":"article","og_title":"Sudo CVE-2021-3156 - Websupport Centrum n\u00e1pov\u011bdy","og_description":"Aplikace sudo, kter\u00e1 slou\u017e\u00ed na nav\u00fd\u0161en\u00ed pr\u00e1v specifick\u00fdm u\u017eivatel\u016fm v linuxov\u00fdch distribuc\u00edch, obsahuje z\u00e1va\u017enou bezpe\u010dnostn\u00ed chybu CVE-2021\u20133156. Ta umo\u017e\u0148uje z\u00edskat neopr\u00e1vn\u011bn\u00e1 pr\u00e1va do syst\u00e9m\u016f kter\u00e9mukoliv lok\u00e1ln\u00edmu u\u017eivateli, kter\u00fd se v syst\u00e9mu nach\u00e1z\u00ed. A to i bez toho, aby byl u\u017eivatel v konfigura\u010dn\u00edm souboru sudoers. Zranitelnost se vyskytuje ve verz\u00edch 1.9.0...","og_url":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/","og_site_name":"Websupport Centrum n\u00e1pov\u011bdy","article_modified_time":"2021-06-24T08:57:25+00:00","twitter_card":"summary_large_image","twitter_misc":{"Odhadovan\u00e1 doba \u010dten\u00ed":"1 minuta"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/","url":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/","name":"Sudo CVE-2021-3156 - Websupport Centrum n\u00e1pov\u011bdy","isPartOf":{"@id":"https:\/\/www.websupport.cz\/podpora\/#website"},"datePublished":"2021-04-05T15:58:20+00:00","dateModified":"2021-06-24T08:57:25+00:00","breadcrumb":{"@id":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.websupport.cz\/podpora\/kb\/sudo-cve-2021-3156\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.websupport.cz\/podpora\/"},{"@type":"ListItem","position":2,"name":"Sudo CVE-2021-3156"}]},{"@type":"WebSite","@id":"https:\/\/www.websupport.cz\/podpora\/#website","url":"https:\/\/www.websupport.cz\/podpora\/","name":"Websupport Centrum n\u00e1pov\u011bdy","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.websupport.cz\/podpora\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"}]}},"_links":{"self":[{"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/ht-kb\/754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/users\/3"}],"version-history":[{"count":1,"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/ht-kb\/754\/revisions"}],"predecessor-version":[{"id":2058,"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/ht-kb\/754\/revisions\/2058"}],"wp:attachment":[{"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/media?parent=754"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/ht-kb-category?post=754"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/www.websupport.cz\/podpora\/wp-json\/wp\/v2\/ht-kb-tag?post=754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}