{"id":64149,"date":"2025-08-18T17:49:05","date_gmt":"2025-08-18T17:49:05","guid":{"rendered":""},"modified":"2025-09-03T03:47:14","modified_gmt":"2025-09-03T09:47:14","slug":"cve-2025-49665-race-condition-vulnerability-in-workspace-broker-leading-to-privilege-escalation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49665-race-condition-vulnerability-in-workspace-broker-leading-to-privilege-escalation\/","title":{"rendered":"<strong>CVE-2025-49665: Race Condition Vulnerability in Workspace Broker Leading to Privilege Escalation<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has recently identified a significant vulnerability, specifically CVE-2025-49665, impacting the Workspace Broker. This vulnerability, rooted in a race condition due to improper synchronization of a shared resource, provides an opening for an authorized attacker to escalate privileges locally. This essentially means that a malicious actor with the right access and knowledge could exploit this flaw to gain higher-level permissions on the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49691-heap-based-buffer-overflow-in-windows-media-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"72167\">potentially leading to full system<\/a> compromise or data leakage. Given the high CVSS Severity Score of 7.8, it is essential for organizations and individuals utilizing Workspace <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49693-a-deep-dive-into-double-free-vulnerability-in-microsoft-brokering-file-system\/\"  data-wpil-monitor-id=\"75312\">Broker to understand this vulnerability<\/a> and take appropriate action.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49665<br \/>\nSeverity: High (7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74182\">Potential system compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2142289841\" 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>Workspace Broker | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55010-arbitrary-php-object-instantiation-in-kanboard-prior-to-version-1-2-47\/\"  data-wpil-monitor-id=\"77930\">versions prior<\/a> to 2.0.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This exploit works by taking advantage of a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43275-critical-race-condition-vulnerability-in-macos\/\"  data-wpil-monitor-id=\"71618\">race condition<\/a> present in the Workspace Broker. A <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54655-race-condition-vulnerability-in-virtualization-base-module\/\"  data-wpil-monitor-id=\"75696\">race condition<\/a> happens when a system designed to handle tasks simultaneously fails to synchronize properly, and outcomes of the processes can be influenced by the relative timing of other operations. In the case of CVE-2025-49665, an attacker with the right access can manipulate this timing to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53762-privilege-elevation-vulnerability-in-microsoft-purview\/\"  data-wpil-monitor-id=\"72908\">elevate their privileges<\/a> within the system. This exploit is especially concerning as it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27050-memory-corruption-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"74760\">lead to a full system compromise or data<\/a> leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3920104378\" 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>Although the specific <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47168-use-after-free-vulnerability-in-microsoft-office-word-allowing-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"73150\">code to exploit this vulnerability<\/a> is beyond the scope of this blog post, a conceptual example might look like this:<\/p>\n<pre><code class=\"\" data-line=\"\"># Step 1: User gains low-level access to the system\nssh user@target.example.com\n# Step 2: User identifies the shared resource and monitors it\nmonitor_shared_resource\n# Step 3: User times the execution of their process to coincide with the shared resource access\nexecute_privilege_escalation\n# Step 4: User now has elevated privileges<\/code><\/pre>\n<p>Please note that the above is a high-level abstract example and not a real exploit code. This example is designed to illustrate the overall flow of the exploit rather than provide a copy-paste solution for malicious actors.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best and most effective way to mitigate this vulnerability is to apply the vendor-supplied patch. If a patch is not yet available or cannot be installed immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation. However, these are only stopgap measures and cannot fully secure the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27046-critical-memory-corruption-vulnerability-threatening-system-integrity\/\"  data-wpil-monitor-id=\"75076\">system from this vulnerability<\/a>. It is strongly advised to apply the patch as soon as it is available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a significant vulnerability, specifically CVE-2025-49665, impacting the Workspace Broker. This vulnerability, rooted in a race condition due to improper synchronization of a shared resource, provides an opening for an authorized attacker to escalate privileges locally. This essentially means that a malicious actor with the [&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":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64149","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64149","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=64149"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64149\/revisions"}],"predecessor-version":[{"id":70322,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64149\/revisions\/70322"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64149"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64149"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64149"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64149"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64149"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64149"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}