{"id":84654,"date":"2025-10-26T02:32:34","date_gmt":"2025-10-26T02:32:34","guid":{"rendered":""},"modified":"2025-10-29T10:23:32","modified_gmt":"2025-10-29T16:23:32","slug":"cve-2025-22438-local-privilege-escalation-vulnerability-in-inputdispatcher-cpp","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-22438-local-privilege-escalation-vulnerability-in-inputdispatcher-cpp\/","title":{"rendered":"<strong>CVE-2025-22438: Local Privilege Escalation Vulnerability in InputDispatcher.cpp<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-22438 is a critical security vulnerability that exists in the InputDispatcher.cpp component. This vulnerability could allow an unprivileged attacker to escalate privileges locally on a system without requiring any user interaction. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43571-use-after-free-vulnerability-in-substance3d-stager-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"91536\">vulnerability is significant as it could potentially lead<\/a> to system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-22438<br \/>\nSeverity: High (7.8 CVSS score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30400-potential-system-compromise-with-privilege-elevation-in-windows-dwm\/\"  data-wpil-monitor-id=\"91825\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3230019566\" 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>[Insert product] | [Insert affected version]<br \/>\n[Insert product] | [Insert affected version]<br \/>\n(No specific products or versions have been identified)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32709-critical-use-after-free-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"91725\">vulnerability arises from a use-after-free condition in the afterKeyEventLockedInterruptable function<\/a> of InputDispatcher.cpp. An attacker can exploit this flaw by tricking the system into freeing a certain memory while retaining its pointer. The attacker can then re-use this pointer, potentially leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45479-arbitrary-code-execution-vulnerability-in-educoder-challenges-v1-0\/\"  data-wpil-monitor-id=\"91521\">arbitrary code execution<\/a> with elevated privileges.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-129868672\" 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>This is a conceptual example of how an attacker might craft a malicious payload to exploit this vulnerability.<br \/>\n&#8220;`C++<br \/>\n\/\/ This code is for illustration purposes only and does not represent actual exploit code.<br \/>\n#include <iostream><br \/>\n#include <stdlib.h><br \/>\nusing namespace std;<br \/>\nclass Exploit {<br \/>\npublic:<br \/>\nvoid execute() {<br \/>\ncout << \"Executing malicious payload...\" << endl;\n}\n};\nvoid triggerUseAfterFree() {\nExploit* exploit = new Exploit();\ndelete exploit;\n\/\/ Use after free\nexploit->execute(); \/\/ This will execute the malicious payload<br \/>\n}<br \/>\nint main() {<br \/>\ntriggerUseAfterFree();<br \/>\nreturn 0;<br \/>\n}<br \/>\n&#8220;`<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The recommended course of action is to apply the vendor-supplied patch as soon as it becomes available. In the absence of a patch, a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can be used as a temporary measure to detect and prevent attempts to exploit this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-22438 is a critical security vulnerability that exists in the InputDispatcher.cpp component. This vulnerability could allow an unprivileged attacker to escalate privileges locally on a system without requiring any user interaction. The vulnerability is significant as it could potentially lead to system compromise or data leakage. Vulnerability Summary CVE ID: CVE-2025-22438 Severity: High [&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":[76,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-84654","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84654","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=84654"}],"version-history":[{"count":4,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84654\/revisions"}],"predecessor-version":[{"id":85000,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84654\/revisions\/85000"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84654"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84654"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84654"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84654"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84654"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84654"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}