{"id":100167,"date":"2021-05-14T16:23:01","date_gmt":"2021-05-14T14:23:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-postgresql-s-ustraneniem-uyazvimostej"},"modified":"2021-05-14T16:23:01","modified_gmt":"2021-05-14T14:23:01","slug":"obnovlenie-postgresql-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/obnovlenie-postgresql-s-ustraneniem-uyazvimostej","title":{"rendered":"Aktualiz\u00e1cia PostgreSQL s odstr\u00e1nen\u00edm zranite\u013enost\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Boli vytvoren\u00e9 opravy aktualiz\u00e1ci\u00ed pre v\u0161etky podporovan\u00e9 vetvy PostgreSQL:  13.3, 12.7, 11.12, 10.17 a 9.6.22. Aktualiz\u00e1cie pre vetvu 9.6 bud\u00fa vytv\u00e1ran\u00e9 do novembra 2021, 10 \u2014 do novembra 2022, 11 \u2014 do novembra 2023, 12 \u2014 do novembra 2024 a 13 do novembra 2025. V nov\u00fdch vydaniach boli odstr\u00e1nen\u00e9 tri zranite\u013enosti a opraven\u00e9 nahromaden\u00e9 chyby.    <\/p>\n<p> Zranite\u013enos\u0165 CVE-2021-32027 m\u00f4\u017ee vies\u0165 k zapisovaniu \u00fadajov mimo pam\u00e4\u0165ov\u00e9ho z\u00e1sobn\u00edka kv\u00f4li prete\u010deniu cel\u00e9ho \u010d\u00edsla pri v\u00fdpo\u010dtoch indexov pol\u00ed. Cez manipul\u00e1ciu s hodnotami pol\u00ed v SQL dotazocha \u00fato\u010dn\u00edk, ktor\u00fd m\u00e1 pr\u00edstup na vykon\u00e1vanie SQL dotazov, m\u00f4\u017ee zap\u00edsa\u0165 ak\u00e9ko\u013evek \u00fadaje do \u013eubovo\u013enej oblasti pam\u00e4te procesu a dosiahnu\u0165 vykonanie svojho k\u00f3du s pr\u00e1vami <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-los-angeles\/\"   title=\"servera\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3715\">servera<\/a> DBMS. Dve \u010fal\u0161ie zranite\u013enosti (CVE-2021-32028, CVE-2021-32029) ved\u00fa k \u00faniku obsahu pam\u00e4te procesu pri manipul\u00e1cii so \u017eiados\u0165ami \u201eINSERT \u2026 ON CONFLICT \u2026 DO UPDATE\u201c a \u201eUPDATE \u2026 RETURNING\u201c.    <\/p>\n<p>Z opr\u00e1v, ktor\u00e9 nie s\u00fa spojen\u00e9 so zranite\u013enos\u0165ami, m\u00f4\u017eeme vyzdvihn\u00fa\u0165:  <\/p>\n<ul>\n<li class=\"l\"> Odstr\u00e1nenie nespr\u00e1vnych v\u00fdpo\u010dtov pri vykon\u00e1van\u00ed \u201eUPDATE \u2026 RETURNING\u201c pre aktualiz\u00e1ciu zl\u00fa\u010den\u00fdch segmentovan\u00fdch tabuliek.\n<li class=\"l\"> Odstr\u00e1nenie zlyhania pr\u00edkazu \u201eALTER TABLE \u2026 ALTER CONSTRAINT\u201c pri existencii obmedzen\u00ed pre vonkaj\u0161ie k\u013e\u00fa\u010de v kombin\u00e1cii s pou\u017eit\u00edm segmentovan\u00fdch tabuliek.\n<li class=\"l\"> Bola nastaven\u00e1 funk\u010dnos\u0165 \u201eCOMMIT AND CHAIN\u201c.\n<li class=\"l\"> Pre nov\u00e9 vydania FreeBSD bolo zabezpe\u010den\u00e9 nastavenie predvolenej hodnoty re\u017eimu fdatasync v thatwal_sync_method.\n<li class=\"l\"> Parametr vacuum_cleanup_index_scale_factor je predvolene vypnut\u00fd.\n<li class=\"l\"> Opraven\u00e9 \u00faniky pam\u00e4te, ktor\u00e9 sa prejavuj\u00fa pri inicializ\u00e1cii TLS pripojen\u00ed.\n<li class=\"l\"> V pg_upgrade boli pridan\u00e9 \u010fal\u0161ie kontroly na pr\u00edtomnos\u0165 v u\u017e\u00edvate\u013esk\u00fdch tabu\u013ek\u00e1ch typov \u00fadajov, ktor\u00e9 nie s\u00fa povolen\u00e9 na aktualiz\u00e1ciu.  <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55148\">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: 13.3, 12.7, 11.12, 10.17 \u0438 9.6.22. \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 9.6 \u0431\u0443\u0434\u0443\u0442 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \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 &#8212; \u0434\u043e \u043d\u043e\u044f\u0431\u0440\u044f 2024 \u0433\u043e\u0434\u0430, 13 \u0434\u043e \u043d\u043e\u044f\u0431\u0440\u044f 2025 \u0433\u043e\u0434\u0430. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b [&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-100167","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\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 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