{"id":59845,"date":"2025-08-03T09:40:33","date_gmt":"2025-08-03T09:40:33","guid":{"rendered":""},"modified":"2025-09-02T21:13:27","modified_gmt":"2025-09-03T03:13:27","slug":"cve-2025-27031-memory-corruption-via-ioctl-commands-processing","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-27031-memory-corruption-via-ioctl-commands-processing\/","title":{"rendered":"<strong>CVE-2025-27031: Memory Corruption via IOCTL Commands Processing<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-27031 is a significant memory corruption vulnerability that primarily affects systems that process IOCTL (Input\/Output Control) commands. It occurs when the buffer in write loopback mode is accessed after being freed. This can potentially lead to system compromise or data leakage, making this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54430-critical-vulnerability-in-dedupe-python-library\/\"  data-wpil-monitor-id=\"67053\">vulnerability a critical<\/a> concern for all users and administrators of affected systems.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53964-critical-file-manipulation-vulnerability-in-goldendict\/\"  data-wpil-monitor-id=\"67203\">criticality of this vulnerability<\/a> hinges on its potential for exploitation by malicious actors. Given a CVSS severity score of 7.8, it is clear that the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70366\">potential impact of this vulnerability<\/a> is substantial. It is particularly dangerous because it can be exploited remotely, and if left unpatched, can grant threat actors <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52289-broken-access-control-vulnerability-in-magnusbilling-v7-8-5-3\/\"  data-wpil-monitor-id=\"73367\">access to sensitive information or even control<\/a> over the entire system.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-27031<br \/>\nSeverity: High, CVSS Score 7.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8040-memory-safety-bugs-causing-potential-system-compromise-in-firefox-and-thunderbird\/\"  data-wpil-monitor-id=\"71229\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1692717530\" 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 1.0 to 2.3<br \/>\nProduct B | Version 4.5 to 5.7<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability stems from a flaw in the processing of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50475-critical-os-command-injection-vulnerability-in-russound-mbx-pre-d67f-firmware\/\"  data-wpil-monitor-id=\"70262\">IOCTL<\/a> commands. More specifically, the issue occurs when a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49672-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"68135\">buffer in write loopback mode is accessed<\/a> after being freed. This premature buffer access triggers a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30419-memory-corruption-vulnerability-in-ni-circuit-design-suite\/\"  data-wpil-monitor-id=\"68134\">memory corruption<\/a> condition, which can be exploited by an attacker to execute arbitrary code or cause a denial of service.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3756606857\" 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. Given that the attack vector is network-based, it&#8217;s reasonable to assume that the exploit might involve sending a specifically crafted packet or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52362-critical-server-side-request-forgery-vulnerability-in-phproxy\/\"  data-wpil-monitor-id=\"71230\">request to trigger the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">$ echo -e &quot;\\x01\\x02\\x03\\x04&quot; &gt; payload\n$ nc target.example.com 12345 &lt; payload<\/code><\/pre>\n<p>In this simplified example, the echo command generates a payload consisting of specific bytes. The nc (netcat) <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3499-unauthenticated-rest-apis-expose-system-to-os-command-injection-attacks\/\"  data-wpil-monitor-id=\"77654\">command then sends this payload to the target system<\/a> via a network connection.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The recommended mitigation for this vulnerability is to apply the patch provided by the vendor. In situations where immediate patching is not feasible, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43192-critical-configuration-issue-in-macos-allowing-potential-system-compromise\/\"  data-wpil-monitor-id=\"73368\">systems can be configured<\/a> to detect and block attempts to exploit this vulnerability. However, these are only temporary measures and applying the vendor patch should be prioritized to provide a permanent solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-27031 is a significant memory corruption vulnerability that primarily affects systems that process IOCTL (Input\/Output Control) commands. It occurs when the buffer in write loopback mode is accessed after being freed. This can potentially lead to system compromise or data leakage, making this vulnerability a critical concern for all users and administrators of affected [&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":[87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59845","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59845","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=59845"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59845\/revisions"}],"predecessor-version":[{"id":70059,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59845\/revisions\/70059"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59845"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59845"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59845"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59845"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59845"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59845"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}