{"id":64054,"date":"2025-08-14T17:18:09","date_gmt":"2025-08-14T17:18:09","guid":{"rendered":""},"modified":"2025-10-08T02:33:31","modified_gmt":"2025-10-08T08:33:31","slug":"cve-2025-54997-unauthorized-code-execution-in-openbao-through-log-prefix-manipulation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54997-unauthorized-code-execution-in-openbao-through-log-prefix-manipulation\/","title":{"rendered":"<strong>CVE-2025-54997: Unauthorized Code Execution in OpenBao through Log Prefix Manipulation<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is in constant evolution, and this time, our attention turns to a critical vulnerability identified in OpenBao, a widely-used software solution for managing, storing, and distributing sensitive data. This vulnerability, dubbed CVE-2025-54997, poses a significant threat due to its potential to allow unauthorized code execution and network access. It&#8217;s a timely reminder of the importance of continuous <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20265-cisco-secure-firewall-management-center-radius-authentication-vulnerability\/\"  data-wpil-monitor-id=\"77868\">security assessment and patch management<\/a> within any organization that relies on OpenBao for handling their sensitive information.<br \/>\nThis vulnerability matters because it violates the intended security model of OpenBao, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74270\">potentially leading to system compromise<\/a> or data leakage. Given OpenBao&#8217;s role in holding and protecting <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55443-android-telpo-mdm-exposes-sensitive-data-in-plaintext\/\"  data-wpil-monitor-id=\"89324\">sensitive data<\/a>, any breach could have devastating consequences, both legally and financially, for the affected parties.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-54997<br \/>\nSeverity: Critical, with a CVSS score of 9.1<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: High<br \/>\nUser Interaction: None<br \/>\nImpact: Unauthorized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72457\">code execution<\/a> and network access leading to potential system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2106075876\" 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>OpenBao | 2.3.1 and below<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-54997 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33075-a-critical-windows-installer-vulnerability-that-leads-to-privilege-elevation\/\"  data-wpil-monitor-id=\"72441\">vulnerability arises from the ability of certain privileged<\/a> API operators to manipulate log prefixes through the audit subsystem. Although OpenBao deployments are designed to prohibit these operators from <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74618\">executing system code<\/a> or making network connections, this exploit circumvents these restrictions. The manipulated log prefixes allow <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72828\">unauthorized code execution and network access<\/a>, thereby violating OpenBao&#8217;s security model.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2021458663\" 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>Below is a conceptual example of how the vulnerability might be exploited. Here, an attacker uses a malicious API <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25180-underprivileged-software-manipulates-gpu-system-calls-for-unauthorized-access\/\"  data-wpil-monitor-id=\"88730\">call that manipulates<\/a> the log prefix through the audit subsystem.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/sys\/audit\/log-prefix HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;log_prefix&quot;: &quot;malicious_code_to_execute&quot; }<\/code><\/pre>\n<p>Remember, this is purely a conceptual example and does not represent an actual exploit. It is provided to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49526-out-of-bounds-write-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"75155\">illustrate the nature of the vulnerability<\/a>.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>The primary mitigation for CVE-2025-54997 is to upgrade to OpenBao version 2.3.2, which contains a fix for this issue. If upgrading immediately is not possible, users can temporarily mitigate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43220-unprecedented-data-access-vulnerability-in-multiple-macos-and-ipados-versions\/\"  data-wpil-monitor-id=\"73245\">vulnerability by blocking access<\/a> to the sys\/audit\/* endpoints using explicit deny policies. However, this workaround does not apply to root operators.<br \/>\nAs an additional layer of protection, implementing Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) can help detect and prevent exploitation attempts. Regularly patching and monitoring systems for suspicious activity is always advised as part of a comprehensive <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88487\">cybersecurity<\/a> strategy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is in constant evolution, and this time, our attention turns to a critical vulnerability identified in OpenBao, a widely-used software solution for managing, storing, and distributing sensitive data. This vulnerability, dubbed CVE-2025-54997, poses a significant threat due to its potential to allow unauthorized code execution and network access. It&#8217;s a timely [&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-64054","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\/64054","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=64054"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64054\/revisions"}],"predecessor-version":[{"id":82160,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64054\/revisions\/82160"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64054"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64054"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64054"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64054"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64054"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64054"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}