{"id":84412,"date":"2025-10-23T11:26:44","date_gmt":"2025-10-23T11:26:44","guid":{"rendered":""},"modified":"2025-10-28T11:37:28","modified_gmt":"2025-10-28T17:37:28","slug":"cve-2022-38691-bootrom-certificate-validation-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2022-38691-bootrom-certificate-validation-vulnerability\/","title":{"rendered":"<strong>CVE-2022-38691: BootROM Certificate Validation Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The security vulnerability CVE-2022-38691 pertains to a missing validation for Certificate Type 0 in BootROM. This issue can potentially lead to a local escalation of privilege, allowing malicious actors to compromise systems or leak data. The affected entities are systems utilizing BootROM, a critical part of most computing devices. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20681-wlan-ap-driver-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"91607\">vulnerability holds significant weight as it could potentially<\/a> compromise integrity, confidentiality, and availability of the affected system.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2022-38691<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43931-potential-system-compromise-via-flask-boilerplate-s-password-reset-feature\/\"  data-wpil-monitor-id=\"91488\">Potential system compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div class=\"ameeb-content-2\" id=\"ameeb-3579422012\"><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 patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability arises from a lack of proper <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49414-unrestricted-upload-of-file-with-dangerous-type-vulnerability-in-fw-gallery\/\"  data-wpil-monitor-id=\"91448\">validation for Certificate<\/a> Type 0 in BootROM. In a typical secure environment, BootROM should validate the certificate type to ensure it&#8217;s from a trusted source before granting privileges. However, due to this vulnerability, an attacker can bypass this validation process, leading to an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40459-local-privilege-escalation-vulnerability-in-ocuco-innovation-appmanager-exe\/\"  data-wpil-monitor-id=\"91398\">escalation of privilege<\/a>. This could allow an attacker to execute privileged commands and <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=\"91672\">potentially compromise the system<\/a> or leak sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div class=\"ameeb-content\" id=\"ameeb-3718613525\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here is a<br \/>\n<strong>conceptual<\/strong><br \/>\n example of how an attacker might exploit this vulnerability. Note that this is a simplified representation for illustrative purposes and may not represent a real-world scenario.<\/p>\n<pre><code class=\"language-shell\"># Attacker crafts a certificate with Type 0\necho &quot;-----BEGIN CERTIFICATE-----&quot; &gt; malicious_certificate.crt\necho &quot;MIIDBTCCAe2gAwIBAgIQK...&quot; &gt;&gt; malicious_certificate.crt\necho &quot;-----END CERTIFICATE-----&quot; &gt;&gt; malicious_certificate.crt\n# Attacker injects the malicious certificate into BootROM\nbootrom --inject-certificate malicious_certificate.crt<\/code><\/pre>\n<p>In this example, the attacker crafts a malicious certificate with Type 0 and injects it into the BootROM. This could potentially lead to an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5953-privilege-escalation-through-wp-human-resource-management-plugin-vulnerability\/\"  data-wpil-monitor-id=\"91432\">escalation of privilege<\/a>, allowing the attacker to execute commands with higher privileges or access sensitive data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The security vulnerability CVE-2022-38691 pertains to a missing validation for Certificate Type 0 in BootROM. This issue can potentially lead to a local escalation of privilege, allowing malicious actors to compromise systems or leak data. The affected entities are systems utilizing BootROM, a critical part of most computing devices. This vulnerability holds significant weight [&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-84412","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\/84412","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=84412"}],"version-history":[{"count":6,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84412\/revisions"}],"predecessor-version":[{"id":84841,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84412\/revisions\/84841"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84412"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84412"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84412"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84412"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84412"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84412"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}