{"id":37121,"date":"2025-05-11T10:11:10","date_gmt":"2025-05-11T10:11:10","guid":{"rendered":""},"modified":"2025-05-18T05:40:28","modified_gmt":"2025-05-18T05:40:28","slug":"cve-2023-39234-code-execution-vulnerability-in-gtkwave-3-3-115","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-39234-code-execution-vulnerability-in-gtkwave-3-3-115\/","title":{"rendered":"<strong>CVE-2023-39234: Code Execution Vulnerability in GTKWave 3.3.115<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system recently identified a grave vulnerability, CVE-2023-39234, in GTKWave 3.3.115. This vulnerability, which stems from multiple out-of-bounds write vulnerabilities, poses a significant risk to any system or network that employs the affected versions of GTKWave.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-35961-os-command-injection-vulnerabilities-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"41840\">vulnerability specifically concerns the VZT vzt_rd_process_block autosort functionality of GTKWave<\/a> 3.3.115. The impact could be severe, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24351-remote-logging-vulnerability-in-ctrlx-os-can-lead-to-root-level-system-compromise\/\"  data-wpil-monitor-id=\"42168\">leading to system<\/a> compromise or data leakage if a user inadvertently opens a malicious .vzt file.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-39234<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49129-stack-overflow-vulnerability-in-solid-edge-se2023-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"43541\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3259998997\" 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>GTKWave | 3.3.115<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-35962-critical-os-command-injection-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"41844\">vulnerability resides in the VZT vzt_rd_process_block autosort functionality of GTKWave<\/a>. An attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47154-exploitation-of-use-after-free-vulnerability-in-libjs-in-ladybird\/\"  data-wpil-monitor-id=\"42357\">exploit this vulnerability<\/a> by creating a specially crafted .vzt file that triggers multiple out-of-bounds write vulnerabilities. When a user opens this malicious file, the vulnerability is triggered, leading to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32444-remote-code-execution-vulnerability-in-vllm-integration-with-mooncake\/\"  data-wpil-monitor-id=\"41858\">code execution<\/a>. This can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32974-critical-vulnerability-in-xwiki-s-rights-analysis-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"42265\">potentially compromise the entire system or lead<\/a> to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1674291061\" 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>For illustration purposes, let&#8217;s consider an oversimplified example of how such a malicious .vzt file might look. Note that this is purely conceptual and should not be taken as a real exploit.<\/p>\n<pre><code class=\"\" data-line=\"\"># Malicious VZT file content\nBEGIN VZT\nCODE EXECUTION\nOUT-OF-BOUND WRITE\nEND VZT<\/code><\/pre>\n<p>In this example, the malicious content within the .vzt file could trigger the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-35969-critical-heap-based-buffer-overflow-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"41912\">vulnerability when processed by the affected version of GTKWave<\/a>, leading to arbitrary code execution.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users and administrators are advised to apply the vendor patch as soon as possible. If a patch is not immediately available or applicable, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. These tools can potentially detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-35989-integer-overflow-vulnerability-in-gtkwave-s-lxt2-zlib-block-allocation\/\"  data-wpil-monitor-id=\"41949\">block attempts at exploiting this vulnerability<\/a>.<br \/>\nAlways follow best practices for cybersecurity hygiene, such as not opening <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0984-critical-file-upload-and-xss-vulnerability-in-netoloji-software-e-flow\/\"  data-wpil-monitor-id=\"43969\">files from untrusted sources and regularly updating all software<\/a>, to reduce the risk of falling victim to such attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system recently identified a grave vulnerability, CVE-2023-39234, in GTKWave 3.3.115. This vulnerability, which stems from multiple out-of-bounds write vulnerabilities, poses a significant risk to any system or network that employs the affected versions of GTKWave. The vulnerability specifically concerns the VZT vzt_rd_process_block autosort functionality of GTKWave 3.3.115. The [&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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-37121","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37121","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=37121"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37121\/revisions"}],"predecessor-version":[{"id":39337,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37121\/revisions\/39337"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37121"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37121"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37121"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37121"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37121"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37121"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}