{"id":84425,"date":"2025-10-23T14:27:01","date_gmt":"2025-10-23T14:27:01","guid":{"rendered":""},"modified":"2025-10-28T22:21:46","modified_gmt":"2025-10-29T04:21:46","slug":"cve-2022-38694-unchecked-write-address-leading-to-local-escalation-of-privilege","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2022-38694-unchecked-write-address-leading-to-local-escalation-of-privilege\/","title":{"rendered":"<strong>CVE-2022-38694: Unchecked Write Address leading to Local Escalation of Privilege<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2022-38694 vulnerability affects BootRom. This vulnerability could potentially lead to a local escalation of privilege due to an unchecked write address. It carries a high severity rating due to its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43931-potential-system-compromise-via-flask-boilerplate-s-password-reset-feature\/\"  data-wpil-monitor-id=\"91487\">potential for system compromise<\/a> or data leakage. This report provides an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23970-in-depth-analysis-of-incorrect-privilege-assignment-in-service-finder-booking\/\"  data-wpil-monitor-id=\"91508\">in-depth analysis<\/a> of this cybersecurity flaw.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2022-38694<br \/>\nSeverity: High, CVSS score of 7.8<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40459-local-privilege-escalation-vulnerability-in-ocuco-innovation-appmanager-exe\/\"  data-wpil-monitor-id=\"91391\">vulnerability could potentially lead to local escalation of privilege<\/a> with no additional execution privileges needed, resulting in system compromise or data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-359156666\" 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>BootRom | All versions prior to vendor patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43554-unchecked-bounds-write-vulnerability-in-substance3d-modeler\/\"  data-wpil-monitor-id=\"91558\">unchecked write<\/a> address within BootRom. An attacker with local access can write to an address without any checks, <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=\"91537\">leading to a modification of sensitive data or code<\/a>. This may further lead to a local <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5953-privilege-escalation-through-wp-human-resource-management-plugin-vulnerability\/\"  data-wpil-monitor-id=\"91431\">escalation of privilege<\/a>, giving the attacker unauthorized access and control over the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2542144628\" 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>The following pseudocode <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=\"91708\">illustrates how the vulnerability<\/a> might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker gains local access\naccess_system(target)\n# Attacker writes to unchecked address\nwrite_to_address(target, unchecked_address, malicious_payload)<\/code><\/pre>\n<p>This pseudocode is purely conceptual and represents the steps an attacker might take to exploit this vulnerability. The actual exploit would require a much more complex and specific set of commands that are tailored to the target system.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The best mitigation for the CVE-2022-38694 vulnerability is to apply the vendor patch as soon as it is available. As a temporary measure, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to monitor for any suspicious activity. Regular monitoring of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32706-windows-common-log-file-system-driver-privilege-elevation-vulnerability\/\"  data-wpil-monitor-id=\"91756\">system logs<\/a> and network traffic can also help in detecting any exploitation attempts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2022-38694 vulnerability affects BootRom. This vulnerability could potentially lead to a local escalation of privilege due to an unchecked write address. It carries a high severity rating due to its potential for system compromise or data leakage. This report provides an in-depth analysis of this cybersecurity flaw. Vulnerability Summary CVE ID: CVE-2022-38694 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-84425","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\/84425","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=84425"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84425\/revisions"}],"predecessor-version":[{"id":84928,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84425\/revisions\/84928"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84425"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84425"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84425"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84425"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84425"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84425"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}