{"id":58617,"date":"2025-07-09T12:13:41","date_gmt":"2025-07-09T12:13:41","guid":{"rendered":""},"modified":"2025-08-30T20:33:31","modified_gmt":"2025-08-31T02:33:31","slug":"cve-2025-43545-uninitialized-pointer-vulnerability-in-bridge-could-lead-to-arbitrary-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-43545-uninitialized-pointer-vulnerability-in-bridge-could-lead-to-arbitrary-code-execution\/","title":{"rendered":"<strong>CVE-2025-43545: Uninitialized Pointer Vulnerability in Bridge could lead to Arbitrary Code Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The world of cybersecurity is a constantly evolving battlefield, and the latest threat to surface is CVE-2025-43545. This vulnerability affects Bridge versions 15.0.3, 14.1.6, and earlier versions. This issue is of significant concern because it could potentially lead to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53002-remote-code-execution-vulnerability-in-llama-factory\/\"  data-wpil-monitor-id=\"65185\">code execution<\/a> in the context of the current user. The exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44955-critical-vulnerability-in-ruckus-network-director-allows-jail-users-to-gain-root-access\/\"  data-wpil-monitor-id=\"76081\">vulnerability requires user<\/a> interaction, specifically, the victim must open a malicious file. The potential impact of exploiting this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52725-critical-deserialization-of-untrusted-data-vulnerability-in-couponxxl\/\"  data-wpil-monitor-id=\"65226\">vulnerability includes system compromise and data<\/a> leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-43545<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52817-authorization-bypass-in-zealousweb-abandoned-contact-form-7-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"65721\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2869423592\" 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>Bridge | 15.0.3, 14.1.6, and earlier<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43592-a-critical-access-of-uninitialized-pointer-vulnerability-in-indesign-desktop\/\"  data-wpil-monitor-id=\"78218\">vulnerability arises from an uninitialized pointer<\/a> in Bridge&#8217;s codebase. This means that the pointer in question does not point to any meaningful value before its first use. A malicious actor can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49885-severe-file-upload-vulnerability-in-harutheme-s-drag-and-drop-multiple-file-upload-pro-woocommerce-plugin\/\"  data-wpil-monitor-id=\"65328\">vulnerability by crafting a file<\/a> that manipulates the uninitialized pointer to point to a malicious piece of code. When the victim opens the crafted file, the malicious code is executed in the context of the current user, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52717-sql-injection-vulnerability-in-lifterlms-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"65377\">potentially compromising the system or leading<\/a> to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4096833854\" 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 specifics of the exploit are beyond the scope of this blog post, the conceptual exploit might involve crafting a malicious file such that when opened with Bridge, it would look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;stdio.h&gt;\nint main() {\n\/\/ Pointer is declared but not initialized\nint *ptr;\n\/\/ Malicious code here, which the pointer is manipulated to point to\nexecute_malicious_code();\nreturn 0;\n}<\/code><\/pre>\n<p>In this conceptual example, a pointer is declared but not initialized. The malicious file would then contain code that manipulates the uninitialized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5310-remote-code-execution-vulnerability-in-dover-fueling-solutions-progauge-maglink-lx-consoles\/\"  data-wpil-monitor-id=\"65514\">pointer<\/a> to point to a function that executes malicious code in the context of the current user.<br \/>\nRemember, this is a conceptual example and the actual exploit would likely be more complex and specifically tailored to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43546-integer-underflow-vulnerability-in-bridge-versions-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"91712\">vulnerabilities in Bridge&#8217;s<\/a> codebase.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The world of cybersecurity is a constantly evolving battlefield, and the latest threat to surface is CVE-2025-43545. This vulnerability affects Bridge versions 15.0.3, 14.1.6, and earlier versions. This issue is of significant concern because it could potentially lead to arbitrary code execution in the context of the current user. The exploitation of this vulnerability [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-58617","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58617","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=58617"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58617\/revisions"}],"predecessor-version":[{"id":84881,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58617\/revisions\/84881"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=58617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=58617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=58617"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=58617"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=58617"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=58617"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=58617"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=58617"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=58617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}