{"id":23978,"date":"2025-04-16T07:18:38","date_gmt":"2025-04-16T07:18:38","guid":{"rendered":""},"modified":"2025-04-22T00:39:00","modified_gmt":"2025-04-22T00:39:00","slug":"cve-2023-43514-memory-corruption-vulnerability-leading-to-potential-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-43514-memory-corruption-vulnerability-leading-to-potential-system-compromise\/","title":{"rendered":"<strong>CVE-2023-43514: Memory Corruption Vulnerability Leading to Potential System Compromise<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is constantly evolving, with new vulnerabilities being discovered regularly. One such recent discovery is the CVE-2023-43514 vulnerability, a memory corruption issue that occurs while invoking IOCTLs calls from user space for internal memory MAP and internal memory UNMAP. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21673-high-impact-remote-code-execution-vulnerability-in-confluence-data-center-and-server\/\"  data-wpil-monitor-id=\"28873\">vulnerability has been found to have a significant impact<\/a>, potentially leading to system compromise or data leakage, affecting a wide array of systems and applications. With a CVSS Severity Score of 8.4, it&#8217;s clear that this <a href=\"https:\/\/www.ameeba.com\/blog\/airborne-cybersecurity-the-threat-of-vulnerable-software-and-outdated-tech-in-the-aviation-industry\/\"  data-wpil-monitor-id=\"30840\">vulnerability poses a significant threat<\/a> that needs immediate attention.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-43514<br \/>\nSeverity: High (CVSS:8.4)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0573-critical-vulnerability-in-totolink-lr1200gb-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"29020\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-533875162\" 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>Product 1 | Version 1.0 to 2.5<br \/>\nProduct 2 | Version 3.0 to 4.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2023-43514 vulnerability exploits a weakness in the handling of IOCTLs calls from user space for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-45794-network-based-manipulation-of-plc-internal-memory-and-memory-card\/\"  data-wpil-monitor-id=\"31535\">internal memory<\/a> mapping and unmapping. Attackers can trigger a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33094-memory-corruption-vulnerability-in-vk-synchronization-with-kasan\/\"  data-wpil-monitor-id=\"30960\">memory corruption<\/a> issue, causing undefined behavior within the system. This could potentially give attackers <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2815-unauthorized-modification-of-data-in-administrator-z-wordpress-plugin\/\"  data-wpil-monitor-id=\"29785\">unauthorized access to sensitive data<\/a> or even complete control over the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4187031179\" 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 <a href=\"https:\/\/www.ameeba.com\/blog\/fortinet-s-fortigate-vulnerability-ssl-vpn-symlink-exploit-puts-user-access-at-risk-post-patching\/\"  data-wpil-monitor-id=\"30062\">exploit this vulnerability<\/a>. This pseudocode demonstrates how a malicious IOCTLs call might be invoked:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;sys\/ioctl.h&gt;\nint main() {\nint fd;\nchar *buffer = &quot;...&quot;;  \/\/ Malicious payload\nfd = open(&quot;\/dev\/vulnerable_device&quot;, O_RDWR);\nif (fd &lt; 0) {\nperror(&quot;open&quot;);\nreturn -1;\n}\nif (ioctl(fd, VULNERABLE_IOCTL, buffer) &lt; 0) {\nperror(&quot;ioctl&quot;);\nreturn -1;\n}\nclose(fd);\nreturn 0;\n}<\/code><\/pre>\n<p>This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29017-remote-code-execution-in-code-astro-internet-banking-system-2-0-0\/\"  data-wpil-monitor-id=\"32840\">code would be run on the local system<\/a>, targeting the vulnerable IOCTLs implementation. When executed, it would trigger a memory corruption issue, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0576-critical-vulnerability-in-totolink-lr1200gb-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"29361\">potentially compromising the system<\/a>.<\/p>\n<p><strong>Remediation<\/strong><\/p>\n<p>Until a patch from the vendor is available, a temporary mitigation measure could be to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS). These systems can provide some level of protection by detecting and blocking malicious IOCTLs calls. Once a vendor patch becomes available, it should be applied immediately to fully remediate this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is constantly evolving, with new vulnerabilities being discovered regularly. One such recent discovery is the CVE-2023-43514 vulnerability, a memory corruption issue that occurs while invoking IOCTLs calls from user space for internal memory MAP and internal memory UNMAP. This vulnerability has been found to have a significant impact, potentially leading to [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-23978","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23978","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=23978"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23978\/revisions"}],"predecessor-version":[{"id":28718,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23978\/revisions\/28718"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=23978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=23978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=23978"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=23978"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=23978"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=23978"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=23978"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=23978"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=23978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}