{"id":34382,"date":"2025-05-04T11:00:37","date_gmt":"2025-05-04T11:00:37","guid":{"rendered":""},"modified":"2025-06-15T11:17:46","modified_gmt":"2025-06-15T17:17:46","slug":"cve-2024-0207-wireshark-4-2-0-http3-dissector-crash-causing-denial-of-service","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0207-wireshark-4-2-0-http3-dissector-crash-causing-denial-of-service\/","title":{"rendered":"<strong>CVE-2024-0207: Wireshark 4.2.0 HTTP3 Dissector Crash Causing Denial of Service<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Wireshark, the widely-used network protocol analyzer, has been found to harbor a critical vulnerability tagged as CVE-2024-0207. This vulnerability affects Wireshark v4.2.0 and could potentially lead to a denial of service (DoS) attack. An <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3200-unauthenticated-remote-attacker-exploiting-insecure-tls-protocols\/\"  data-wpil-monitor-id=\"40791\">attacker could exploit<\/a> this weakness through packet injection or a meticulously crafted capture file, which would crash the HTTP3 dissector. The vulnerability is significant as it could <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=\"40602\">potentially lead to a system compromise<\/a> or data leakage, making it a substantial threat to the integrity, availability, and confidentiality of information.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-0207<br \/>\nSeverity: High (7.8 CVSS)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <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=\"40213\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1824268288\" 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>Wireshark | 4.2.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0210-denial-of-service-vulnerability-in-wireshark-4-2-0\/\"  data-wpil-monitor-id=\"41126\">vulnerability stems from the HTTP3 dissector module within Wireshark<\/a> 4.2.0. An attacker can leverage this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32836-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"38922\">vulnerability by injecting<\/a> malicious packets into the network stream being analyzed or crafting a capture file that triggers the bug. This crash could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32849-vulnerability-in-telecontrol-server-basic-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39172\">lead to potential system<\/a> compromise, data leakage, or denial of service, rendering the system unresponsive and unavailable for legitimate users.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2820953804\" 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 conceptual example of an HTTP3 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-53020-information-disclosure-vulnerability-in-rtp-packet-decoding\/\"  data-wpil-monitor-id=\"58486\">packet that could be used to exploit this vulnerability<\/a>. Please note that this is a simplified representation and a real-world attack would require a more complex payload.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/ HTTP\/3\nHost: target.example.com\nContent-Type: application\/http3\n{ &quot;malicious_packet&quot;: &quot;Exploit_CVE-2024-0207&quot; }<\/code><\/pre>\n<p>Upon receiving this packet, the HTTP3 dissector in Wireshark 4.2.0 would crash, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0209-denial-of-service-vulnerability-in-wireshark\/\"  data-wpil-monitor-id=\"41122\">denial of service<\/a>. If the attacker has additional exploits at their disposal, they could potentially escalate this <a href=\"https:\/\/www.ameeba.com\/blog\/ahold-delhaize-cyber-attack-unpacking-the-data-breach-and-its-implications\/\"  data-wpil-monitor-id=\"39171\">attack to compromise the system or leak data<\/a>.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>Users of the affected Wireshark version are strongly recommended to apply the vendor-supplied patch promptly. In case the patch cannot be applied immediately, users can employ a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-43110-critical-unauthenticated-remote-system-configuration-vulnerability-in-voltronic-power-viewpower-powershield-netguard\/\"  data-wpil-monitor-id=\"83173\">systems can be configured<\/a> to detect and block the malicious packets associated with this exploit, minimizing the risk of a successful attack.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Wireshark, the widely-used network protocol analyzer, has been found to harbor a critical vulnerability tagged as CVE-2024-0207. This vulnerability affects Wireshark v4.2.0 and could potentially lead to a denial of service (DoS) attack. An attacker could exploit this weakness through packet injection or a meticulously crafted capture file, which would crash the HTTP3 dissector. [&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":[87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-34382","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34382","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=34382"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34382\/revisions"}],"predecessor-version":[{"id":75710,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34382\/revisions\/75710"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=34382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=34382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=34382"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=34382"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=34382"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=34382"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=34382"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=34382"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=34382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}