{"id":95506,"date":"2020-09-30T13:42:15","date_gmt":"2020-09-30T11:42:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-powerdns-authoritative-server"},"modified":"2020-09-30T13:42:15","modified_gmt":"2020-09-30T11:42:15","slug":"uyazvimosti-v-powerdns-authoritative-server","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-v-powerdns-authoritative-server","title":{"rendered":"Vuln\u00e9rabilit\u00e9s dans PowerDNS Authoritative Server","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.powerdns.com\/2020\/09\/22\/powerdns-authoritative-4-3-1-4-2-3-and-4-1-14\/\">Disponibles<\/a><\/noindex> mises \u00e0 jour du serveur DNS autoritaire <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/\">PowerDNS Authoritative Server 4.3.1, 4.2.3 et 4.1.14<\/a><\/noindex>, qui contiennent <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2020\/09\/22\/11\">r\u00e9solus<\/a><\/noindex> quatre vuln\u00e9rabilit\u00e9s, dont deux peuvent potentiellement conduire \u00e0 l'ex\u00e9cution de code \u00e0 distance par un attaquant.<\/p>\n<p>Les vuln\u00e9rabilit\u00e9s CVE-2020-24696, CVE-2020-24697 et CVE-2020-24698<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/authoritative\/security-advisories\/powerdns-advisory-2020-06.html\">concernent<\/a><\/noindex> le code impl\u00e9mentant le m\u00e9canisme d'\u00e9change de cl\u00e9s <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Generic_Security_Service_Algorithm_for_Secret_Key_Transaction\">GSS-TSIG<\/a><\/noindex>. Les vuln\u00e9rabilit\u00e9s ne se manifestent que lors de la compilation de PowerDNS avec la prise en charge de GSS-TSIG (\u00ab --enable-experimental-gss-tsig \u00bb, par d\u00e9faut non utilis\u00e9) et peuvent \u00eatre exploit\u00e9es en envoyant un paquet r\u00e9seau sp\u00e9cialement con\u00e7u. Les vuln\u00e9rabilit\u00e9s CVE-2020-24696 et CVE-2020-24698, caus\u00e9es par une condition de concurrence et un double lib\u00e9ration de m\u00e9moire (double-free), peuvent entra\u00eener un plantage ou l'ex\u00e9cution de code malveillant lors du traitement des requ\u00eates avec des signatures GSS-TSIG malform\u00e9es. La vuln\u00e9rabilit\u00e9 CVE-2020-24697 se limite \u00e0 un d\u00e9ni de service. \u00c9tant donn\u00e9 que le code GSS-TSIG n'\u00e9tait pas utilis\u00e9 par d\u00e9faut, y compris dans les paquets des distributions, et qu'il pourrait contenir d'autres probl\u00e8mes, il a \u00e9t\u00e9 d\u00e9cid\u00e9 de le supprimer compl\u00e8tement dans la version PowerDNS Authoritative 4.4.0.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/authoritative\/security-advisories\/powerdns-advisory-2020-05.html\">CVE-2020-17482<\/a><\/noindex> peut entra\u00eener une fuite d'informations \u00e0 partir de la m\u00e9moire non initialis\u00e9e d'un processus, mais se manifeste uniquement lors du traitement de requ\u00eates de utilisateurs authentifi\u00e9s ayant la possibilit\u00e9 d'ajouter de nouveaux enregistrements dans les zones DNS g\u00e9r\u00e9es par le serveur.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53806\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u0433\u043e (authoritative) DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 PowerDNS Authoritative Server 4.3.1, 4.2.3 \u0438 4.1.14, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0447\u0435\u0442\u044b\u0440\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0434\u0432\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u0443\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 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u0433\u043e. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 CVE-2020-24696, CVE-2020-24697 \u0438 CVE-2020-24698 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0442 \u043a\u043e\u0434 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043e\u0431\u043c\u0435\u043d\u0430 \u043a\u043b\u044e\u0447\u0430\u043c\u0438 GSS-TSIG. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 PowerDNS c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 GSS-TSIG (&#171;&#8212;enable-experimental-gss-tsig&#187;, \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f) [&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-95506","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u0433\u043e (authoritative) DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-v-powerdns-authoritative-server\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 PowerDNS Authoritative Server | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u0433\u043e (authoritative) DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-v-powerdns-authoritative-server\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-09-30T11:42:15+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-09-30T11:42:15+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vuln\u00e9rabilit\u00e9s dans PowerDNS Authoritative Server | ProHoster","description":"Des mises \u00e0 jour du serveur DNS autoritaire","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-v-powerdns-authoritative-server","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 PowerDNS Authoritative Server | ProHoster","og:description":"\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u0433\u043e (authoritative) DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430","og:url":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-v-powerdns-authoritative-server","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-09-30T11:42:15+00:00","article:modified_time":"2020-09-30T11:42:15+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"95506","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 11:04:40","updated":"2022-10-03 07:45:48","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts\/95506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/comments?post=95506"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts\/95506\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/media?parent=95506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/categories?post=95506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/tags?post=95506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}