{"id":84694,"date":"2025-10-26T23:34:48","date_gmt":"2025-10-26T23:34:48","guid":{"rendered":""},"modified":"2025-10-30T11:20:30","modified_gmt":"2025-10-30T17:20:30","slug":"cve-2025-36905-privilege-escalation-vulnerability-in-gxp-mapping-c","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-36905-privilege-escalation-vulnerability-in-gxp-mapping-c\/","title":{"rendered":"<strong>CVE-2025-36905: Privilege Escalation Vulnerability in gxp_mapping.c<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-36905 vulnerability is a critical flaw found in the gxp_mapping_create function of the gxp_mapping.c file, allowing potential privilege escalation due to a logic error. This vulnerability significantly affects users and system administrators as it may lead to system compromise or data leakage, even without any user interaction.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-36905<br \/>\nSeverity: High, CVSS Score 7.8<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Not Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20681-wlan-ap-driver-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"91599\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-973840814\" 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>gxp_mapping.c | All versions prior to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27025-high-risk-directory-traversal-vulnerability-due-to-unsecure-tcp-port-endpoint-access\/\"  data-wpil-monitor-id=\"91960\">vulnerability occurs due<\/a> to a logic error in the gxp_mapping_create function of the gxp_mapping.c file. An attacker can exploit this flaw to escalate their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32706-windows-common-log-file-system-driver-privilege-elevation-vulnerability\/\"  data-wpil-monitor-id=\"91742\">privileges within the system<\/a>, bypassing the normal privilege checks that the system has in place. This can be done <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20683-local-privilege-escalation-due-to-incorrect-bounds-check-in-wlan-ap-driver\/\"  data-wpil-monitor-id=\"91798\">locally without any additional execution privileges<\/a> or user interaction, making it a serious threat.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2643435174\" 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&#8217;s a conceptual example of how an attacker might take advantage of this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;stdio.h&gt;\n#include &quot;gxp_mapping.h&quot;\nint main() {\n\/\/ Create an object with escalated privileges\nstruct gxp_mapping *gxp = gxp_mapping_create();\n\/\/ Exploit the logic error to gain escalated privileges\ngxp-&gt;privilege = &quot;root&quot;;\n\/\/ Execute a command with escalated privileges\nsystem_with_privilege(&quot;rm -rf \/&quot;, gxp);\n}<\/code><\/pre>\n<p>This is a hypothetical example, but it <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30330-heap-based-buffer-overflow-vulnerability-in-illustrator-versions-29-3-28-7-5-and-earlier\/\"  data-wpil-monitor-id=\"91688\">illustrates the kind of danger this vulnerability<\/a> poses. An attacker could potentially execute any command with escalated privileges, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30325-integer-overflow-vulnerability-in-photoshop-desktop-versions-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"91643\">leading to total system<\/a> compromise.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best way to protect against this vulnerability is to apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. Regularly monitor and update your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30385-critical-privilege-escalation-vulnerability-in-windows-common-log-file-system-driver\/\"  data-wpil-monitor-id=\"91838\">systems to protect against such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-36905 vulnerability is a critical flaw found in the gxp_mapping_create function of the gxp_mapping.c file, allowing potential privilege escalation due to a logic error. This vulnerability significantly affects users and system administrators as it may lead to system compromise or data leakage, even without any user interaction. Vulnerability Summary CVE ID: CVE-2025-36905 Severity: [&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":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-84694","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84694","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=84694"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84694\/revisions"}],"predecessor-version":[{"id":85150,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84694\/revisions\/85150"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84694"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84694"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84694"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84694"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84694"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84694"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}