{"id":36229,"date":"2025-05-08T10:43:25","date_gmt":"2025-05-08T10:43:25","guid":{"rendered":""},"modified":"2025-07-08T23:21:44","modified_gmt":"2025-07-09T05:21:44","slug":"cve-2023-37417-critical-out-of-bounds-write-vulnerabilities-in-gtkwave-3-3-115","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-37417-critical-out-of-bounds-write-vulnerabilities-in-gtkwave-3-3-115\/","title":{"rendered":"<strong>CVE-2023-37417: Critical Out-of-Bounds Write Vulnerabilities in GTKWave 3.3.115<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the world of cybersecurity, there are unfortunately constant threats that users must guard against. CVE-2023-37417 is one such vulnerability that presents a potent risk to users of the GTKWave 3.3.115. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-40367-critical-vulnerability-in-syngo-fastview-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"40920\">vulnerability exposes users to potential system<\/a> compromise, data leakage, and arbitrary code execution risks, making it a critical issue that needs immediate attention.<br \/>\nGTKWave is a popular open-source waveform viewer, largely utilized in the digital design field. The vulnerability in question affects the VCD parse_valuechange portdump functionality, allowing malicious individuals the ability to execute arbitrary code, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34322-inadequate-precaution-in-xen-s-shadow-paging-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"40971\">potentially compromising the entire system and leading<\/a> to data leaks. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-52928-severe-bypass-issue-in-arc-on-windows-allows-unauthorized-permissions-grant\/\"  data-wpil-monitor-id=\"65118\">severity of this issue<\/a> cannot be overstated, given its potential for widespread damage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-37417<br \/>\nSeverity: High &#8211; CVSS Score 7.8<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21821-arbitrary-os-command-execution-vulnerability-in-multiple-tp-link-products\/\"  data-wpil-monitor-id=\"41108\">Arbitrary code execution<\/a>, potential system compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2853149216\" 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>This vulnerability takes advantage of an out-of-bound <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34436-critical-out-of-bounds-write-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"41027\">write condition in the VCD parse_valuechange portdump functionality of GTKWave<\/a> 3.3.115. An attacker would need to craft a malicious .vcd file, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47533-cross-site-request-forgery-vulnerability-in-iqonic-design-graphina\/\"  data-wpil-monitor-id=\"44206\">designed to trigger the vulnerability<\/a>. Once the malicious file is opened by the victim through the GUI&#8217;s interactive VCD parsing code, the attacker gains the ability to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-20654-microsoft-odbc-driver-remote-code-execution-vulnerability-a-high-level-threat\/\"  data-wpil-monitor-id=\"41334\">execute arbitrary code<\/a> on the system, potentially leading to a full system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-13021439\" 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 is a conceptual example of a malicious .vcd file content, designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47154-exploitation-of-use-after-free-vulnerability-in-libjs-in-ladybird\/\"  data-wpil-monitor-id=\"44207\">exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">$timescale 1 ns $end\n$scope module logic $end\n$var wire 1 ! clk $end\n$var wire 64 # data $end\n$var wire 1 $ en $end\n$upscope $end\n$enddefinitions $end\n#0\n0!\nbxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx #\n1$<\/code><\/pre>\n<p>In the above example, the &#8220;bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx #&#8221; string represents an oversize binary value, specifically crafted to trigger the out-of-bound write condition, leading to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3641-remote-code-execution-risk-in-moodle-lms-dropbox-repository\/\"  data-wpil-monitor-id=\"41455\">code execution<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are advised to apply the patch provided by the vendor as soon as possible. In the absence of a patch, or as a temporary mitigation measure, deploying a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help to detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49155-uncontrolled-search-path-vulnerability-in-trend-micro-apex-one-data-loss-prevention-module\/\"  data-wpil-monitor-id=\"65119\">prevent exploitation of this vulnerability<\/a>. It is also strongly recommended that <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3055-critical-arbitrary-file-deletion-vulnerability-in-wp-user-frontend-pro-plugin\/\"  data-wpil-monitor-id=\"59172\">users avoid opening .vcd files<\/a> from untrusted sources.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the world of cybersecurity, there are unfortunately constant threats that users must guard against. CVE-2023-37417 is one such vulnerability that presents a potent risk to users of the GTKWave 3.3.115. This vulnerability exposes users to potential system compromise, data leakage, and arbitrary code execution risks, making it a critical issue that needs immediate [&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-36229","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\/36229","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=36229"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36229\/revisions"}],"predecessor-version":[{"id":58566,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36229\/revisions\/58566"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=36229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=36229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=36229"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=36229"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=36229"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=36229"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=36229"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=36229"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=36229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}