{"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\/es\/blog\/news\/obnovlenie-postgresql-s-ustraneniem-uyazvimostej","title":{"rendered":"Actualizaci\u00f3n de PostgreSQL corrigiendo vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se han formado actualizaciones correctivas para todas las ramas compatibles de PostgreSQL: 13.3, 12.7, 11.12, 10.17 y 9.6.22. Las actualizaciones para la rama 9.6 se generar\u00e1n hasta noviembre de 2021, 10 hasta noviembre de 2022, 11 hasta noviembre de 2023, 12 hasta noviembre de 2024 y 13 hasta noviembre de 2025. En las nuevas versiones se han solucionado tres vulnerabilidades y se han corregido errores acumulados.    <\/p>\n<p> La vulnerabilidad CVE-2021-32027 puede provocar escritura de datos fuera del l\u00edmite del b\u00fafer debido a un desbordamiento de enteros durante el c\u00e1lculo de los \u00edndices de los arreglos. A trav\u00e9s de la manipulaci\u00f3n de valores de arreglos en consultas SQL, un atacante con acceso para ejecutar consultas SQL puede escribir cualquier dato en una ubicaci\u00f3n de memoria arbitraria del proceso y lograr ejecutar su c\u00f3digo con privilegios. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/dts-los-angeles\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3715\">servidores<\/a> SGBD. Otras dos vulnerabilidades (CVE-2021-32028, CVE-2021-32029) provocan fugas de contenido de la memoria del proceso al manipular consultas 'INSERT ... ON CONFLICT ... DO UPDATE' y 'UPDATE ... RETURNING'.    <\/p>\n<p>Entre las correcciones no relacionadas con vulnerabilidades se pueden destacar:  <\/p>\n<ul>\n<li class=\"l\"> Correcci\u00f3n de c\u00e1lculos incorrectos al ejecutar 'UPDATE ... RETURNING' para actualizar tablas segmentadas combinadas.\n<li class=\"l\"> Correcci\u00f3n del fallo del comando 'ALTER TABLE ... ALTER CONSTRAINT' cuando hay restricciones para claves externas en combinaci\u00f3n con el uso de tablas segmentadas.\n<li class=\"l\"> Se ha establecido el funcionamiento de la funcionalidad 'COMMIT AND CHAIN'.\n<li class=\"l\"> Para las nuevas versiones de FreeBSD, se ha establecido por defecto el modo fdatasync en thatwal_sync_method.\n<li class=\"l\"> Se ha deshabilitado por defecto el par\u00e1metro vacuum_cleanup_index_scale_factor.\n<li class=\"l\"> Se han corregido fugas de memoria que se manifiestan durante la inicializaci\u00f3n de conexiones TLS.\n<li class=\"l\"> En pg_upgrade se han a\u00f1adido comprobaciones adicionales para la presencia de tipos de datos en tablas de usuario que no son actualizables.  <\/ul>\n<p>Fuente: <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 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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