{"id":35415,"date":"2025-05-06T07:20:46","date_gmt":"2025-05-06T07:20:46","guid":{"rendered":""},"modified":"2025-09-29T02:50:26","modified_gmt":"2025-09-29T08:50:26","slug":"cve-2023-35964-critical-os-command-injection-vulnerabilities-in-gtkwave-s-decompression-functionality","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-35964-critical-os-command-injection-vulnerabilities-in-gtkwave-s-decompression-functionality\/","title":{"rendered":"<strong>CVE-2023-35964: Critical OS Command Injection Vulnerabilities in GTKWave&#8217;s Decompression Functionality<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) list has identified a critical vulnerability in the decompression functionality of GTKWave 3.3.115. TKWave is a fully featured GTK+ based wave viewer for Unix, Win32, and Mac OSX. Users across these operating <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43971-critical-vulnerability-in-gobgp-paving-the-way-for-system-compromise\/\"  data-wpil-monitor-id=\"40107\">systems are potentially affected by this vulnerability<\/a>. The identified flaw, CVE-2023-35964, could allow a malicious actor to execute arbitrary commands on an affected system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22636-cross-site-scripting-vulnerability-in-vr-frases-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"40166\">leading to potential system<\/a> compromise or data leakage. The importance of addressing these vulnerabilities cannot be overstated as they pose a significant risk to the security and integrity of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45949-phpgurukul-user-management-system-session-hijacking-vulnerability\/\"  data-wpil-monitor-id=\"41150\">user systems<\/a> and data.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-35964<br \/>\nSeverity: High (7.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3914-potential-arbitrary-file-uploads-and-system-compromise-in-aeropage-sync-for-airtable-wordpress-plugin\/\"  data-wpil-monitor-id=\"40610\">System compromise<\/a>, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2891631611\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/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 vulnerability lies in the <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=\"41042\">decompression<\/a> functionality of the `vcd2lxt` utility in GTKWave. This utility is susceptible to OS command <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32858-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"40103\">injection vulnerabilities<\/a>. A malicious actor could exploit this vulnerability by creating a specially crafted wave file, which when opened by the victim, triggers the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28035-pre-auth-remote-command-execution-vulnerability-in-totolink-a830r\/\"  data-wpil-monitor-id=\"40097\">vulnerabilities and leads to arbitrary command execution<\/a>. This could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3928-unspecified-vulnerability-in-commvault-web-server-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"40371\">potentially result in a full system<\/a> compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2562057969\" 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>Below is a<br \/>\n<strong>conceptual<\/strong><br \/>\n example of how an attacker might craft a malicious wave <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3065-arbitrary-file-deletion-vulnerability-in-database-toolset-plugin\/\"  data-wpil-monitor-id=\"40236\">file to exploit this vulnerability<\/a>. This is for illustrative purposes only and should not be used for malicious purposes.<\/p>\n<pre><code class=\"\" data-line=\"\"># Create a wave file with malicious OS command injection\n$ echo &quot;OS_COMMAND_HERE&quot; &gt; malicious.wav\n# The victim opens the malicious wave file\n$ vcd2lxt malicious.wav\n# The malicious OS command is executed<\/code><\/pre>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The recommended mitigation guidance for CVE-2023-35964 is to apply the vendor-provided patch. This patch addresses the vulnerabilities by adequately sanitizing input to the `vcd2lxt` utility and preventing arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43946-critical-remote-code-execution-vulnerability-in-tcpwave-ddi\/\"  data-wpil-monitor-id=\"40334\">command<\/a> execution. In the absence of this patch, temporary mitigation can be achieved by using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block suspicious activity. However, this is a temporary solution and users are strongly advised to apply the patch from the vendor as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86444\">possible to fully mitigate this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) list has identified a critical vulnerability in the decompression functionality of GTKWave 3.3.115. TKWave is a fully featured GTK+ based wave viewer for Unix, Win32, and Mac OSX. Users across these operating systems are potentially affected by this vulnerability. The identified flaw, CVE-2023-35964, could allow a malicious actor [&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":[78,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-35415","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-injection","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/35415","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=35415"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/35415\/revisions"}],"predecessor-version":[{"id":79241,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/35415\/revisions\/79241"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=35415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=35415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=35415"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=35415"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=35415"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=35415"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=35415"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=35415"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=35415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}