{"id":50375,"date":"2025-06-09T15:06:35","date_gmt":"2025-06-09T15:06:35","guid":{"rendered":""},"modified":"2025-09-07T23:36:41","modified_gmt":"2025-09-08T05:36:41","slug":"cve-2024-53021-critical-information-disclosure-vulnerability-in-rtcp-packet-processing","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-53021-critical-information-disclosure-vulnerability-in-rtcp-packet-processing\/","title":{"rendered":"<strong>CVE-2024-53021: Critical Information Disclosure Vulnerability in RTCP Packet Processing<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the world of cybersecurity, vulnerabilities are an inevitable occurrence. Today, we will be discussing the recently discovered vulnerability CVE-2024-53021. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56945\">vulnerability exposes systems to potential risks<\/a> of information disclosure while processing goodbye RTCP packets from networks. This is a major concern for any organization, as it opens up a window for hackers to exploit sensitive information, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57004\">leading to system compromise or data leakage<\/a>. The severity of this vulnerability, measured by the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48734-critical-access-control-vulnerability-in-apache-commons-beanutils\/\"  data-wpil-monitor-id=\"56634\">Common Vulnerability<\/a> Scoring System (CVSS), stands at an alarming 8.2, indicating its critical nature.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-53021<br \/>\nSeverity: Critical (8.2 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47668-linux-kernel-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"57994\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2590527113\" 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>Product A | Version 1.x to 3.x<br \/>\nProduct B | Version 2.x to 4.x<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21460-memory-corruption-vulnerability-in-guest-vm-buffer-processing-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"59006\">system&#8217;s processing<\/a> of goodbye RTCP packets, a key part of the VoIP protocol stack. Specifically, when the system processes the goodbye RTCP packet from a network, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40743-unauthorized-vnc-access-in-sinumerik-systems-due-to-insufficient-password-verification\/\"  data-wpil-monitor-id=\"80339\">due to a flaw in the system&#8217;s<\/a> design or implementation, it inadvertently discloses information that should have remained confidential. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46584-improper-authentication-logic-vulnerability-in-file-system-module\/\"  data-wpil-monitor-id=\"57993\">vulnerability arises from the system<\/a> not properly sanitizing or validating the received goodbye RTCP packets.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3762418755\" 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>An attacker could potentially exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5100-a-double-free-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"56596\">vulnerability by sending a maliciously crafted goodbye RTCP packet<\/a> to the vulnerable system. Below is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"56946\">vulnerability might be exploited<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/rtcp\n{ &quot;type&quot;: &quot;goodbye&quot;, &quot;session_id&quot;: &quot;1234&quot;, &quot;malicious_payload&quot;: &quot;...&quot; }<\/code><\/pre>\n<p>In this example, the attacker sends a POST <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4366-request-smuggling-vulnerability-in-pingora-s-proxying-framework\/\"  data-wpil-monitor-id=\"56574\">request to the vulnerable<\/a> endpoint with a `type` field set as &#8220;goodbye&#8221;, a `session_id` field, and a `malicious_payload` field. The malicious payload is the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24274-input-validation-issue-exploitable-via-malicious-app-on-macos\/\"  data-wpil-monitor-id=\"59631\">information<\/a> that the attacker wants to exploit. Since the system does not properly sanitize or validate the received goodbye RTCP packets, it processes the request and inadvertently discloses <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25022-unauthenticated-access-to-sensitive-information-in-ibm-qradar-suite-and-ibm-cloud-pak\/\"  data-wpil-monitor-id=\"58594\">sensitive information<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21453-critical-memory-corruption-vulnerability-impacting-multiple-systems\/\"  data-wpil-monitor-id=\"58950\">impact of this vulnerability<\/a>, it is recommended to apply the vendor patch as soon as it becomes available. In the meantime, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure, detecting and blocking potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1277-memory-corruption-vulnerability-in-autodesk-applications-through-malicious-pdf-files\/\"  data-wpil-monitor-id=\"57141\">malicious traffic that attempts to exploit this vulnerability<\/a>. Additionally, it is advised to regularly monitor the system for any unusual activity and to have a robust incident response plan in place.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the world of cybersecurity, vulnerabilities are an inevitable occurrence. Today, we will be discussing the recently discovered vulnerability CVE-2024-53021. This vulnerability exposes systems to potential risks of information disclosure while processing goodbye RTCP packets from networks. This is a major concern for any organization, as it opens up a window for hackers to [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-50375","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50375","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=50375"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50375\/revisions"}],"predecessor-version":[{"id":72760,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50375\/revisions\/72760"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50375"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50375"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50375"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50375"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50375"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50375"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}