{"id":20743,"date":"2025-04-10T12:15:08","date_gmt":"2025-04-10T12:15:08","guid":{"rendered":""},"modified":"2025-05-12T12:19:40","modified_gmt":"2025-05-12T12:19:40","slug":"cve-2023-6735-privilege-escalation-vulnerability-in-checkmks-mk_tsm-agent-plugin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-6735-privilege-escalation-vulnerability-in-checkmks-mk_tsm-agent-plugin\/","title":{"rendered":"CVE-2023-6735: Privilege Escalation Vulnerability in Checkmk&#8217;s mk_tsm Agent Plugin"},"content":{"rendered":"<p class=\"\" data-start=\"88\" data-end=\"100\"><strong data-start=\"88\" data-end=\"100\">Overview<\/strong><\/p>\n<p class=\"\" data-start=\"102\" data-end=\"335\"><span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">CVE-2023-6735 is a high-severity vulnerability identified in the &#8216;mk_tsm&#8217; agent plugin of Checkmk, a comprehensive IT monitoring system.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">This flaw allows local users to escalate their privileges on affected systems.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3248-critical-code-injection-vulnerability-in-langflow-versions-prior-to-1-3-0\/\"  data-wpil-monitor-id=\"30417\">vulnerability affects Checkmk versions prior<\/a> to 2.2.0p18, 2.1.0p38, and 2.0.0p39.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">The issue arises from improper input validation and the unsafe use of the &#8216;eval&#8217; function within the plugin, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0576-critical-vulnerability-in-totolink-lr1200gb-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"30418\">leading to potential<\/a> exploitation.<\/span> \u200b<span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=2023-6735&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">GitHub<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><\/span><\/a><\/span><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2023-6735?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Debian Security Tracker<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">AttackerKB<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><\/span><\/a><\/span><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/checkmk.com\/werk\/16273?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><\/span><\/span><\/a><\/span><\/p>\n<p class=\"\" data-start=\"337\" data-end=\"362\"><strong data-start=\"337\" data-end=\"362\">Vulnerability Summary<\/strong><\/p>\n<ul data-start=\"364\" data-end=\"987\">\n<li class=\"\" data-start=\"364\" data-end=\"459\">\n<p class=\"\" data-start=\"366\" data-end=\"459\"><strong data-start=\"366\" data-end=\"377\">CVE ID:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">CVE-2023-6735<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"460\" data-end=\"557\">\n<p class=\"\" data-start=\"462\" data-end=\"557\"><strong data-start=\"462\" data-end=\"475\">Severity:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">High (CVSS Score: 8.8)<\/span>\u200b<span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/checkmk.com\/werk\/16273?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><\/span><\/span><\/a><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"558\" data-end=\"664\">\n<p class=\"\" data-start=\"560\" data-end=\"664\"><strong data-start=\"560\" data-end=\"578\">Attack Vector:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Local<\/span>\u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.cvedetails.com\/cve\/CVE-2023-6735\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE Database<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"665\" data-end=\"777\">\n<p class=\"\" data-start=\"667\" data-end=\"777\"><strong data-start=\"667\" data-end=\"691\">Privileges Required:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Low<\/span>\u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=2023-6735&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+2<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+2<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Debian Security Tracker<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+2<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"778\" data-end=\"887\">\n<p class=\"\" data-start=\"780\" data-end=\"887\"><strong data-start=\"780\" data-end=\"801\">User Interaction:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">None<\/span>\u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/checkmk.com\/werk\/16273?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">GitHub<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"888\" data-end=\"987\">\n<p class=\"\" data-start=\"890\" data-end=\"987\"><strong data-start=\"890\" data-end=\"901\">Impact:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Confidentiality High, Integrity High, Availability High<\/span>\u200b<span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.cvedetails.com\/cve\/CVE-2023-6735\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Debian Security Tracker<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+3<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE Database<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+3<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Ubuntu<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+3<\/span><\/span><\/span><\/a><\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"989\" data-end=\"1010\"><strong data-start=\"989\" data-end=\"1010\">Affected Products<\/strong><\/p>\n<div class=\"overflow-x-auto bg-no-repeat contain-inline-size\">\n<table data-start=\"1012\" data-end=\"1207\">\n<thead data-start=\"1012\" data-end=\"1043\">\n<tr data-start=\"1012\" data-end=\"1043\">\n<th data-start=\"1012\" data-end=\"1022\">Product<\/th>\n<th data-start=\"1022\" data-end=\"1043\">Affected Versions<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1076\" data-end=\"1207\">\n<tr data-start=\"1076\" data-end=\"1207\">\n<td><span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Checkmk<\/span><\/td>\n<td><span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\"><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21632-critical-vulnerability-in-omniauth-microsoft-graph-prior-to-version-2-0-0\/\"  data-wpil-monitor-id=\"30705\">Versions prior<\/a> to 2.2.0p18, 2.1.0p38, and 2.0.0p39<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"\" data-start=\"1209\" data-end=\"1234\"><strong data-start=\"1209\" data-end=\"1234\">How the Exploit Works<\/strong><\/p><div id=\"ameeb-4097003867\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p class=\"\" data-start=\"1236\" data-end=\"1441\"><span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-6140-arbitrary-file-upload-vulnerability-in-essential-real-estate-wordpress-plugin\/\"  data-wpil-monitor-id=\"24581\">vulnerability stems from the &#8216;mk_tsm&#8217; agent plugin&#8217;s<\/a> use of the &#8216;eval&#8217; function without proper input validation.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">An attacker can craft a malicious command that appears in the output of the &#8216;ps&#8217; command.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Due to insufficient quoting and the unsafe use of &#8216;eval&#8217;, this can lead to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43449-arbitrary-code-execution-vulnerability-in-hummerrisk-software\/\"  data-wpil-monitor-id=\"27401\">execution of arbitrary<\/a> commands with elevated privileges.<\/span> \u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/checkmk.com\/werk\/16273?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">GitHub<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE Database<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<p class=\"\" data-start=\"1443\" data-end=\"1462\"><strong data-start=\"1443\" data-end=\"1462\">Potential Risks<\/strong><\/p>\n<p class=\"\" data-start=\"1464\" data-end=\"1589\"><span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21625-critical-remote-code-execution-vulnerability-in-network-protocol\/\"  data-wpil-monitor-id=\"24241\">vulnerability allows a local attacker to execute arbitrary code<\/a> with root privileges.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">This can lead to complete system compromise, unauthorized <a class=\"wpil_keyword_link\" href=\"https:\/\/ameeba.com\"   title=\"access\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24159\">access<\/a> to sensitive data, and potential lateral movement within the network.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"1591\" data-end=\"1621\"><strong data-start=\"1591\" data-end=\"1621\">Mitigation Recommendations<\/strong><\/p>\n<ul data-start=\"1623\" data-end=\"1962\">\n<li class=\"\" data-start=\"1623\" data-end=\"1731\">\n<p class=\"\" data-start=\"1625\" data-end=\"1731\"><strong data-start=\"1625\" data-end=\"1645\">Update Software:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Upgrade Checkmk to version 2.2.0p18, 2.1.0p38, or 2.0.0p39, where this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50760-addressing-the-critical-buffer-overflow-vulnerability-in-secure-shell-ssh\/\"  data-wpil-monitor-id=\"24582\">vulnerability has been addressed<\/a>.<\/span>\u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=2023-6735&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">GitHub<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><span class=\"flex h-4 w-full items-center justify-between absolute\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">AttackerKB<\/span><span class=\"ms-1 -me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+5<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"1732\" data-end=\"1850\">\n<p class=\"\" data-start=\"1734\" data-end=\"1850\"><strong data-start=\"1734\" data-end=\"1764\">Disable <\/strong><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2817-system-level-updater-vulnerability-in-thunderbird-s-update-mechanism\/\"  data-wpil-monitor-id=\"41089\">Vulnerable Plugin: <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">If immediate updating<\/a> is not feasible, disable the &#8216;mk_tsm&#8217; agent plugin to mitigate the risk.<\/span>\u200b<span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/checkmk.com\/werk\/16273?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><\/span><\/span><\/a><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"1851\" data-end=\"1962\">\n<p class=\"\" data-start=\"1853\" data-end=\"1962\"><strong data-start=\"1853\" data-end=\"1876\">Review and Monitor:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Regularly review <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24351-remote-logging-vulnerability-in-ctrlx-os-can-lead-to-root-level-system-compromise\/\"  data-wpil-monitor-id=\"42191\">system logs<\/a> and monitor for unusual activities, especially related to the &#8216;mk_tsm&#8217; plugin.<\/span>\u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/checkmk.com\/werk\/16273?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative bottom-0 left-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">Checkmk<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1964\" data-end=\"1978\"><strong data-start=\"1964\" data-end=\"1978\">Conclusion<\/strong><\/p><div id=\"ameeb-166617109\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p class=\"\" data-start=\"1980\" data-end=\"2145\"><span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">CVE-2023-6735 is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41288-critical-buffer-overflow-vulnerability-in-openssh\/\"  data-wpil-monitor-id=\"24187\">critical vulnerability<\/a> that poses significant risks to systems running affected versions of Checkmk.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Prompt action is required to update the software or disable the <a href=\"https:\/\/www.ameeba.com\/blog\/microsoft-applauds-encrypthub-for-uncovering-windows-vulnerabilities-a-deeper-look-into-the-incident-consequences-and-preventative-measures\/\"  data-wpil-monitor-id=\"24602\">vulnerable plugin to prevent<\/a> potential exploitation.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded-sm px-px py-[0.2rem]\">Regular monitoring and adherence to best <a class=\"wpil_keyword_link\" href=\"https:\/\/chat.ameeba.com\"   title=\"security\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24160\">security<\/a> practices are essential to safeguard systems against such vulnerabilities.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2023-6735 is a high-severity vulnerability identified in the &#8216;mk_tsm&#8217; agent plugin of Checkmk, a comprehensive IT monitoring system. This flaw allows local users to escalate their privileges on affected systems. The vulnerability affects Checkmk versions prior to 2.2.0p18, 2.1.0p38, and 2.0.0p39. The issue arises from improper input validation and the unsafe use of the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[79,88],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-20743","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-github","vendor-linux","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/20743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=20743"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/20743\/revisions"}],"predecessor-version":[{"id":37501,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/20743\/revisions\/37501"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=20743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=20743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=20743"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=20743"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=20743"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=20743"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=20743"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=20743"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=20743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}