{"id":85957,"date":"2025-12-04T09:49:13","date_gmt":"2025-12-04T09:49:13","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T06:00:00","slug":"cve-2025-23250-nvidia-nemo-framework-restricted-directory-pathname-limitation-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-23250-nvidia-nemo-framework-restricted-directory-pathname-limitation-vulnerability\/","title":{"rendered":"<strong>CVE-2025-23250: NVIDIA NeMo Framework Restricted Directory Pathname Limitation Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The NVIDIA NeMo Framework has been discovered to contain a significant vulnerability, identified as CVE-2025-23250, which is of interest to administrators, cybersecurity experts, and users. This security issue could potentially allow an attacker to improperly limit a pathname to a restricted directory, leading to unauthorized file writes. The subsequent compromise could result in code execution and data tampering, making this a severe risk to data integrity and system security.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-23250<br \/>\nSeverity: High (7.6 CVSS Score)<br \/>\nAttack Vector: Pathname Restriction Bypass<br \/>\nPrivileges Required: Low level<br \/>\nUser Interaction: Required<br \/>\nImpact: Unauthorized file writes, potential code execution, and data tampering<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-999838614\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>NVIDIA NeMo Framework | All prior versions to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by exploiting the vulnerability in the NVIDIA NeMo Framework&#8217;s handling of pathnames. An attacker can manipulate the pathname to bypass restrictions, allowing them to write arbitrary files in restricted directories. This can potentially lead to malicious code execution or data tampering if successfully exploited.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2485219823\" 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>While the specific details of the exploit code are confidential, an illustrative example of the potential exploit could be:<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker crafts a pathname that bypasses the restrictions\necho &quot;malicious content&quot; &gt; \/path\/to\/restricted\/directory\/..\/..\/arbitrary_file\n# If successful, the attacker can write arbitrary files\n# This can potentially lead to code execution or data tampering<\/code><\/pre>\n<p>Please note that the above is a simplified example and should not be used as an actual exploit. The real-world exploitation of this vulnerability may require complex manipulation of pathname and system-specific conditions.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Until a vendor patch is released and applied, users can implement a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation measures. These systems can help detect and prevent attempts to exploit this vulnerability. Users are strongly advised to update their NVIDIA NeMo Framework to the latest version as soon as the patch is available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The NVIDIA NeMo Framework has been discovered to contain a significant vulnerability, identified as CVE-2025-23250, which is of interest to administrators, cybersecurity experts, and users. This security issue could potentially allow an attacker to improperly limit a pathname to a restricted directory, leading to unauthorized file writes. The subsequent compromise could result in code [&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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85957","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/85957","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=85957"}],"version-history":[{"count":0,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/85957\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=85957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=85957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=85957"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=85957"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=85957"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=85957"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=85957"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=85957"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=85957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}