{"id":64089,"date":"2025-08-16T05:30:06","date_gmt":"2025-08-16T05:30:06","guid":{"rendered":""},"modified":"2025-09-03T03:46:58","modified_gmt":"2025-09-03T09:46:58","slug":"cve-2025-27577-arbitrary-code-execution-in-openharmony-via-race-condition-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-27577-arbitrary-code-execution-in-openharmony-via-race-condition-vulnerability\/","title":{"rendered":"<strong>CVE-2025-27577: Arbitrary Code Execution in OpenHarmony via Race Condition Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Cybersecurity threats are evolving rapidly and one such threat that has recently caught the attention of cybersecurity professionals is CVE-2025-27577. This vulnerability, found in OpenHarmony version 5.0.3 and prior versions, can allow local attackers to execute arbitrary code via a race condition in tcb. It is a significant threat as it has the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27043-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75651\">potential to compromise the system<\/a> or cause data leakage, impacting the privacy and integrity of users&#8217; data.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30133-device-pairing-bypass-vulnerability-in-iroad-dashcam-fx2-devices\/\"  data-wpil-monitor-id=\"75650\">vulnerability matters because OpenHarmony is widely used in various devices<\/a> and applications, making a large number of users potentially vulnerable to an attack. It requires immediate attention and remediation to prevent malicious entities from exploiting the loophole and causing irrevocable damage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-27577<br \/>\nSeverity: High (8.4 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40741-stack-based-overflow-vulnerability-in-solid-edge-se2025-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75870\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3062129541\" 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>OpenHarmony | v5.0.3 and <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=\"77885\">prior versions<\/a><\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43275-critical-race-condition-vulnerability-in-macos\/\"  data-wpil-monitor-id=\"71619\">vulnerability works via a race condition<\/a> in tcb, an integral part of the OpenHarmony system. A <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54655-race-condition-vulnerability-in-virtualization-base-module\/\"  data-wpil-monitor-id=\"75700\">race condition<\/a> occurs when the output of an operation depends on the sequence or timing of other uncontrollable events. In this case, a local attacker can exploit the timing delay to execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30327-integer-overflow-vulnerability-in-incopy-leading-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"73575\">arbitrary code<\/a> on the affected system.<br \/>\nThe attacker triggers the race condition and injects malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50240-sql-injection-vulnerability-in-nbcio-boot-v1-0-3\/\"  data-wpil-monitor-id=\"71946\">code<\/a> into the system during the brief window when the system is vulnerable. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36014-ibm-integration-bus-code-injection-vulnerability\/\"  data-wpil-monitor-id=\"72261\">injected code<\/a> could potentially give the attacker control over the system or access to sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1747071450\" 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>Here&#8217;s a conceptual example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\"># Trigger the race condition\n$ trigger_race_condition\n# Exploit the race condition to inject malicious code\n$ inject_code &#039;malicious code&#039;<\/code><\/pre>\n<p>This example is purely conceptual and simplifies the actual complexity of exploiting the vulnerability. In reality, exploiting a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53132-critical-race-condition-vulnerability-in-windows-win32k-grfx\/\"  data-wpil-monitor-id=\"75705\">race condition<\/a> requires precise timing and deep knowledge of the system&#8217;s inner workings.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best remedy for this vulnerability is to apply the vendor&#8217;s patch, which addresses the specific issue in tcb. It is recommended to update any affected OpenHarmony versions to the latest secure version.<br \/>\nAs a temporary mitigation, users can employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20217-denial-of-service-vulnerability-in-snort-3-detection-engine-of-cisco-secure-firewall-threat-defense-software\/\"  data-wpil-monitor-id=\"77146\">detect and block attempts to exploit this vulnerability<\/a>. However, these are only temporary solutions, and applying the vendor patch is crucial for long-term security.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Cybersecurity threats are evolving rapidly and one such threat that has recently caught the attention of cybersecurity professionals is CVE-2025-27577. This vulnerability, found in OpenHarmony version 5.0.3 and prior versions, can allow local attackers to execute arbitrary code via a race condition in tcb. It is a significant threat as it has the potential [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64089","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64089","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=64089"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64089\/revisions"}],"predecessor-version":[{"id":70278,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64089\/revisions\/70278"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64089"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64089"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64089"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64089"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64089"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64089"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}