{"id":86102,"date":"2025-12-22T13:40:26","date_gmt":"2025-12-22T13:40:26","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2024-21307-remote-desktop-client-remote-code-execution-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-21307-remote-desktop-client-remote-code-execution-vulnerability\/","title":{"rendered":"CVE-2024-21307: Remote Desktop Client Remote Code Execution Vulnerability<\/strong>"},"content":{"rendered":"

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

The Common Vulnerabilities and Exposures (CVE) system has identified a significant vulnerability, CVE-2024-21307, affecting Remote Desktop Client users worldwide. This vulnerability allows for Remote Code Execution (RCE), potentially leading to a system compromise or data leakage. The severity of this vulnerability underscores the importance of immediate action to mitigate potential damages.<\/p>\n

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

CVE ID: CVE-2024-21307
\nSeverity: High (7.5 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: System compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Remote Desktop Client | Versions prior to 12.0
\nRemote Desktop Server | Versions prior to 6.0<\/p>\n

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

The vulnerability is rooted in how the Remote Desktop Client handles certain types of server responses. When a maliciously crafted response is sent to a client, it triggers a buffer overflow, leading to potential remote code execution. This could allow an attacker to execute arbitrary code on the affected system with the same privileges as the logged-in user.<\/p>\n

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

A conceptual example of how the vulnerability might be exploited is as follows:<\/p>\n

POST \/rdp\/session HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-rdp\n{ \"session_data\": \"overly_long_and_malicious_string\" }<\/code><\/pre>\n
In this example, the “session_data” field is filled with an overly long and malicious string designed to overflow the buffer and allow for remote code injection.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
Users are urged to apply the latest vendor-supplied patches for their Remote Desktop Client and Server software as soon as possible. If patching is not immediately possible, implementing Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) can provide temporary mitigation by monitoring and blocking potentially malicious traffic.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The Common Vulnerabilities and Exposures (CVE) system has identified a significant vulnerability, CVE-2024-21307, affecting Remote Desktop Client users worldwide. This vulnerability allows for Remote Code Execution (RCE), potentially leading to a system compromise or data leakage. The severity of this vulnerability underscores the importance of immediate action to mitigate potential damages. Vulnerability Summary CVE […]<\/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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86102","post","type-post","status-publish","format-standard","hentry"],"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