{"id":34424,"date":"2025-05-04T13:01:28","date_gmt":"2025-05-04T13:01:28","guid":{"rendered":""},"modified":"2025-05-30T11:17:46","modified_gmt":"2025-05-30T17:17:46","slug":"cve-2024-0209-denial-of-service-vulnerability-in-wireshark","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0209-denial-of-service-vulnerability-in-wireshark\/","title":{"rendered":"CVE-2024-0209: Denial of Service Vulnerability in Wireshark<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The CVE-2024-0209 is a high-risk vulnerability that primarily targets Wireshark, a widely-used network protocol analyzer. This vulnerability affects versions 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 of the software, enabling attackers to cause a denial of service (DoS) via packet injection or a specifically crafted capture file. Given the extensive use of Wireshark in various industries, including cybersecurity, telecommunications, and IT, this vulnerability poses a significant threat<\/a> that could potentially compromise systems or lead to data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2024-0209
\nSeverity: High (7.8 CVSS)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Denial of service, potential system<\/a> compromise, and data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Wireshark | 4.2.0
\nWireshark | 4.0.0 to 4.0.11
\nWireshark | 3.6.0 to 3.6.19<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The CVE-2024-0209 exploits a weakness in the IEEE 1609.2 dissector of Wireshark<\/a>. An attacker can craft a specific network packet or capture file that when processed by the vulnerable<\/a> versions of Wireshark can cause the software to crash. As Wireshark is often used for network troubleshooting and analysis, this crash can lead to a denial of service<\/a>, disrupting the network operations. Furthermore, an attacker may potentially use this vulnerability to compromise the system<\/a> running the Wireshark software or leak sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following conceptual code demonstrates how a malicious network packet might be constructed to exploit this vulnerability<\/a>:<\/p>\n

POST \/vulnerable\/wireshark HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/wireshark-capture\n{ \"malicious_packet\": \"... crafted packet data ...\" }<\/code><\/pre>\n
In this conceptual example, the “malicious_packet” contains the specifically crafted packet data that would exploit the vulnerability<\/a> in the IEEE 1609.2 dissector, causing a crash in the Wireshark software. The actual content of the malicious packet would depend on the specific details of the vulnerability<\/a>.<\/p>\n
Mitigation<\/strong><\/p>\n
Users of vulnerable<\/a> versions of Wireshark are strongly encouraged to apply the vendor-provided patch to mitigate this vulnerability. In cases where immediate patching is not possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by blocking or alerting on malicious network packets. However, these are interim solutions and updating to a patched version of Wireshark is the recommended course of action to fully resolve this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The CVE-2024-0209 is a high-risk vulnerability that primarily targets Wireshark, a widely-used network protocol analyzer. This vulnerability affects versions 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 of the software, enabling attackers to cause a denial of service (DoS) via packet injection or a specifically crafted capture file. Given the extensive use of Wireshark […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-34424","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-dos"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t