{"id":72770,"date":"2025-09-08T01:12:25","date_gmt":"2025-09-08T01:12:25","guid":{"rendered":""},"modified":"2025-10-21T10:43:02","modified_gmt":"2025-10-21T16:43:02","slug":"cve-2024-58259-denial-of-service-vulnerability-in-rancher-manager-due-to-unrestricted-payload-size","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-58259-denial-of-service-vulnerability-in-rancher-manager-due-to-unrestricted-payload-size\/","title":{"rendered":"<strong>CVE-2024-58259: Denial of Service Vulnerability in Rancher Manager Due to Unrestricted Payload Size<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical security vulnerability, designated as CVE-2024-58259, has been identified in Rancher Manager, a widely-used open-source tool for managing Kubernetes clusters. This vulnerability can potentially impact any organization or individual that uses Rancher Manager in their infrastructure. It is of particular concern due to the potential for a Denial of Service (DoS) attack, which could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5997-privileged-api-misuse-leads-to-potential-system-compromise-in-beamsec-phishpro\/\"  data-wpil-monitor-id=\"80828\">lead to system compromise<\/a> or data leakage, hence, the need for immediate attention cannot be overstated.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-58259<br \/>\nSeverity: High (CVSS: 8.2)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20134-critical-denial-of-service-vulnerability-in-cisco-secure-firewall-software\/\"  data-wpil-monitor-id=\"81109\">Denial of Service<\/a>, potential system compromise, or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2146616261\" 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>Product | Affected Versions<\/p>\n<p>Rancher Manager | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46715-kernel-pointer-vulnerability-in-sandboxie-versions-prior-to-1-15-12\/\"  data-wpil-monitor-id=\"82776\">versions prior<\/a> to the patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50594-critical-password-reset-vulnerability-in-danphe-health-hospital-management-system-emr-3-2\/\"  data-wpil-monitor-id=\"80444\">vulnerability lies in Rancher Manager&#8217;s<\/a> lack of enforcement of request body size limits on certain public and authenticated API endpoints. A malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6454-authenticated-user-exploit-in-gitlab-ce-ee-through-proxy-environments\/\"  data-wpil-monitor-id=\"90761\">user could exploit<\/a> this by sending excessively large payloads, which are fully loaded into memory during processing. This could overload the system&#8217;s resources, leading to a Denail of Service (DoS) attack. In worst-case scenarios, this could even <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53192-critical-vulnerability-in-unsupported-apache-commons-ognl-leads-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"80574\">lead to potential<\/a> system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-385462149\" 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>Here is a conceptual example of how this vulnerability might be exploited. This example shows a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80785\">malicious payload being sent to a vulnerable<\/a> endpoint:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;malicious_payload&quot;: &quot;[Payload of excessive size]&quot;\n}<\/code><\/pre>\n<p>In this scenario, the malicious payload is of excessive size, which when processed by the server, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-45134-critical-vulnerability-in-mahara-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"82932\">leads to resource exhaustion and potential<\/a> DoS.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the latest patch from the vendor. If a patch is not available, users might consider using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary solution. These tools can limit the size of incoming payloads, therefore, providing some level of protection against this exploit.<br \/>\nRemember, staying updated with the latest patches and security recommendations is one of the most effective ways to ensure the security of your systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical security vulnerability, designated as CVE-2024-58259, has been identified in Rancher Manager, a widely-used open-source tool for managing Kubernetes clusters. This vulnerability can potentially impact any organization or individual that uses Rancher Manager in their infrastructure. It is of particular concern due to the potential for a Denial of Service (DoS) attack, which [&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":[89],"product":[],"attack_vector":[87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-72770","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-kubernetes","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/72770","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=72770"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/72770\/revisions"}],"predecessor-version":[{"id":83706,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/72770\/revisions\/83706"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=72770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=72770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=72770"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=72770"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=72770"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=72770"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=72770"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=72770"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=72770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}