{"id":42942,"date":"2020-02-17T14:41:56","date_gmt":"2020-02-17T11:41:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/obnovlenie-postgresql-s-ustraneniem-uyazvimosti-vypusk-sistemy-replikaczii-pgcat"},"modified":"2020-02-17T14:41:56","modified_gmt":"2020-02-17T11:41:56","slug":"obnovlenie-postgresql-s-ustraneniem-uyazvimosti-vypusk-sistemy-replikaczii-pgcat","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/obnovlenie-postgresql-s-ustraneniem-uyazvimosti-vypusk-sistemy-replikaczii-pgcat","title":{"rendered":"Update van PostgreSQL met het verhelpen van kwetsbaarheden. Uitgave van het replicatiesysteem pgcat.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/about\/news\/2011\/\">Aangepast<\/a><\/noindex> correcties voor alle ondersteunde PostgreSQL-versies: <noindex><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/docs\/current\/static\/release-12-2.html\">12.2<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/docs\/current\/static\/release-11-7.html\">11.7<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/docs\/current\/static\/release-10-12.html\">10.12<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postgresql.org\/docs\/current\/static\/release-9-6-17.html\">9.6.17<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postgresql.org\/docs\/current\/static\/release-9-5-21.html\">9.5.21<\/a><\/noindex> en <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postgresql.org\/docs\/current\/static\/release-9-4-26.html\">9.4.26<\/a><\/noindex>. Release 9.4.26 is the final version \u2014 preparations for updates to branch 9.4 <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postgresql.org\/support\/versioning\/\">is gestopt<\/a><\/noindex>. Updates for branch 9.5 will be formed until February 2021, 9.6 \u2014 until November 2021, 10 \u2014 until November 2022, 11 \u2014 until November 2023, 12 \u2014 until November 2024. <\/p>\n<p>In de nieuwe versies zijn 75 fouten verholpen en een kwetsbaarheid opgelost.<br \/>\n(CVE-2020-1720), caused by the lack of authorization checks when executing the command \u00abALTER \u2026 DEPENDS ON EXTENSION\u00bb. Under certain circumstances, the vulnerability allows an unprivileged user to delete any function, procedure, materialized view, index, or trigger. An attack is possible if the administrator has installed any extension, and the user can execute the CREATE command or the extension owner can be convinced to execute the DROP EXTENSION command.<\/p>\n<p>Daarnaast moet de nieuwe applicatie worden genoemd. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/kingluo\/pgcat\">pgcat<\/a><\/noindex>, waarmee gegevens tussen meerdere PostgreSQL-servers kunnen worden gerepliceerd. Het programma ondersteunt logische replicatie via uitzending en reproductie op een andere host van SQL-commando's die op de hoofdserver worden uitgevoerd en die tot gegevenswijzigingen leiden. De code is geschreven in Go en <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/kingluo\/pgcat\">wordt verspreid<\/a><\/noindex> onder de Apache 2.0-licentie. De belangrijkste verschillen met het ingebouwde mechanisme voor logische replicatie zijn:<\/p>\n<ul>\n<li class=\"l\"> Ondersteuning voor alle soorten doeltabellen (weergaven, fdw (Foreign Data Wrapper), gesegmenteerde tabellen, gedistribueerde tabellen citus);\n<li class=\"l\"> De mogelijkheid om tabelnamen te overschrijven (replicatie van de ene tabel naar een andere);\n<li class=\"l\"> Ondersteuning voor bidirectionele replicatie door alleen lokale wijzigingen door te geven en replicaties van buitenaf te negeren;\n<li class=\"l\"> Een conflictresolutiesysteem op basis van het LWW (last-writer-win) algoritme;\n<li class=\"l\"> De mogelijkheid om informatie over de voortgang van replicatie en niet-toegepaste replicaties op te slaan in een aparte tabel, die kan worden gebruikt voor herstel na het herstarten van een tijdelijk niet-beschikbaar ontvangende knooppunt.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52370\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0432\u0435\u0442\u043e\u043a PostgreSQL: 12.2, 11.7, 10.12, 9.6.17, 9.5.21 \u0438 9.4.26. \u0412\u044b\u043f\u0443\u0441\u043a 9.4.26 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u043c &#8212; \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 9.4 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430. \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 9.5 \u0431\u0443\u0434\u0443\u0442 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043e \u0444\u0435\u0432\u0440\u0430\u043b\u044f 2021 \u0433., 9.6 &#8212; \u0434\u043e \u043d\u043e\u044f\u0431\u0440\u044f 2021 \u0433\u043e\u0434\u0430, 10 &#8212; \u0434\u043e \u043d\u043e\u044f\u0431\u0440\u044f 2022 \u0433\u043e\u0434\u0430, 11 &#8212; \u0434\u043e \u043d\u043e\u044f\u0431\u0440\u044f 2023 \u0433\u043e\u0434\u0430, 12 [&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":[],"tags":[],"class_list":["post-42942","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0432\u0435\u0442\u043e\u043a PostgreSQL:\" \/>\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\/nl\/blog\/obnovlenie-postgresql-s-ustraneniem-uyazvimosti-vypusk-sistemy-replikaczii-pgcat\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"nl_NL\" \/>\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\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 PostgreSQL \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438. \u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438 pgcat | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0432\u0435\u0442\u043e\u043a PostgreSQL:\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/nl\/blog\/obnovlenie-postgresql-s-ustraneniem-uyazvimosti-vypusk-sistemy-replikaczii-pgcat\" \/>\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=\"2020-02-17T11:41:56+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-02-17T11:41:56+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\udd47 Update van PostgreSQL met een kwetsbaarheid opgelost. 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