{"id":86727,"date":"2026-03-19T18:31:25","date_gmt":"2026-03-19T18:31:25","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T06:00:00","slug":"cve-2025-27065-transient-denial-of-service-vulnerability-via-malformed-shared-key-descriptor","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-27065-transient-denial-of-service-vulnerability-via-malformed-shared-key-descriptor\/","title":{"rendered":"<strong>CVE-2025-27065: Transient Denial of Service Vulnerability via Malformed Shared-Key Descriptor<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-27065 is a notable cybersecurity vulnerability that impacts several systems and networks. It is characterized by a transient denial of service (DOS) occurring while processing a frame with a malformed shared-key descriptor. The vulnerability is significant due to its potential to compromise systems and lead to data leakage. Therefore, immediate attention is required to prevent any possible damage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-27065<br \/>\nSeverity: High (7.5 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise and potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3648510843\" 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 1 | Version 1.0 to Version 2.5<br \/>\nProduct 2 | Version 3.0 to Version 4.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit manipulates the processing of a frame with a malformed shared-key descriptor, leading to a transient denial of service (DOS). This manipulation can potentially allow an attacker to compromise the system or cause data leakage. This vulnerability does not require user interaction or privileges, making it a severe threat to systems running the affected software versions.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1363568372\" 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>The following conceptual example demonstrates how the vulnerability might be exploited. This could be a sample HTTP request, shell command, or pseudocode:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/processFrame HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;frame&quot;: { &quot;shared_key_descriptor&quot;: &quot;malformed_descriptor&quot; } }<\/code><\/pre>\n<p>In the above example, the attacker sends a POST request with a malformed shared-key descriptor. This malformed descriptor triggers the transient DOS, creating a system vulnerability that could be further exploited for system compromise or data leakage.<\/p>\n<p><strong>Mitigation and Recommendations<\/strong><\/p>\n<p>The recommended course of action is to apply the vendor patch immediately. If the patch is not available or cannot be applied immediately, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure. In the long term, it is crucial to apply the vendor patch to fully remediate this vulnerability. Furthermore, regular system updates and cybersecurity audits can help prevent future vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-27065 is a notable cybersecurity vulnerability that impacts several systems and networks. It is characterized by a transient denial of service (DOS) occurring while processing a frame with a malformed shared-key descriptor. The vulnerability is significant due to its potential to compromise systems and lead to data leakage. Therefore, immediate attention is required 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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86727","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/86727","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=86727"}],"version-history":[{"count":0,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/86727\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=86727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=86727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=86727"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=86727"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=86727"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=86727"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=86727"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=86727"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=86727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}