{"id":76040,"date":"2025-09-21T08:17:40","date_gmt":"2025-09-21T08:17:40","guid":{"rendered":""},"modified":"2025-11-01T05:38:03","modified_gmt":"2025-11-01T11:38:03","slug":"cve-2025-33092-stack-based-buffer-overflow-vulnerability-in-ibm-db2-for-linux","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-33092-stack-based-buffer-overflow-vulnerability-in-ibm-db2-for-linux\/","title":{"rendered":"<strong>CVE-2025-33092: Stack-Based Buffer Overflow Vulnerability in IBM Db2 for Linux<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, identified as CVE-2025-33092, has been discovered in IBM Db2 for Linux versions 12.1.0, 12.1.1, and 12.1.2. This security flaw poses potential system compromise or data leakage risk as it allows a local user to overflow the buffer and execute arbitrary code on the system. Given the ubiquity of IBM Db2 in enterprise environments, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50972-sql-injection-vulnerability-in-abantecart-1-4-2-with-a-high-severity-score\/\"  data-wpil-monitor-id=\"83508\">vulnerability could have severe<\/a> implications for businesses worldwide, stressing the importance of immediate mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-33092<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7775-critical-memory-overflow-vulnerability-in-netscaler-adc-and-gateway-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"83831\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-292137287\" 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>IBM Db2 for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6297-exploitation-of-dpkg-deb-extraction-vulnerability\/\"  data-wpil-monitor-id=\"91993\">Linux<\/a> | 12.1.0<br \/>\nIBM Db2 for Linux | 12.1.1<br \/>\nIBM Db2 for Linux | 12.1.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36174-a-critical-file-upload-vulnerability-in-ibm-integrated-analytics-system\/\"  data-wpil-monitor-id=\"86020\">vulnerability resides in the db2fm process of IBM<\/a> Db2 for Linux. Due to improper bounds checking, the process is susceptible to a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54493-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83403\">buffer overflow<\/a> attack. An attacker with local access could exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54488-stack-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0-and-master-branch\/\"  data-wpil-monitor-id=\"83456\">vulnerability by sending specially crafted data that exceeds the buffer&#8217;s<\/a> capacity. If successful, the overflow could corrupt adjacent memory spaces, allowing an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0074-critical-remote-code-execution-vulnerability-in-sdp-discovery\/\"  data-wpil-monitor-id=\"83640\">execute arbitrary code<\/a> on the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-976002674\" 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 is a conceptual example of how the vulnerability might be exploited. This example illustrates an oversimplified scenario where a local user sends a large amount of data to the db2fm process, leading to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54491-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83441\">buffer overflow<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\"># Generate a large amount of data\n$ data=$(python -c &#039;print(&quot;A&quot;*5000)&#039;)\n# Send the data to db2fm process\n$ echo &quot;$data&quot; | .\/db2fm<\/code><\/pre>\n<p>In a real-world scenario, an attacker could use a more sophisticated approach to exploit this vulnerability, such as injecting shellcode into the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54486-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83454\">overflowed buffer<\/a> to gain control over the system.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>IBM has <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-35115-critical-system-package-download-vulnerability-in-agiloft-release-28\/\"  data-wpil-monitor-id=\"85307\">released patches to address this vulnerability<\/a>. Users of affected versions of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30325-integer-overflow-vulnerability-in-photoshop-desktop-versions-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"91628\">IBM Db2<\/a> for Linux are strongly advised to update their systems immediately. In the meantime, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. However, these solutions should not replace the need for patching, as they can only detect and potentially block exploit attempts, not eliminate the underlying vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, identified as CVE-2025-33092, has been discovered in IBM Db2 for Linux versions 12.1.0, 12.1.1, and 12.1.2. This security flaw poses potential system compromise or data leakage risk as it allows a local user to overflow the buffer and execute arbitrary code on the system. Given the ubiquity of IBM Db2 in [&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":[88],"product":[],"attack_vector":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-76040","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76040","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=76040"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76040\/revisions"}],"predecessor-version":[{"id":85198,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76040\/revisions\/85198"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=76040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=76040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=76040"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=76040"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=76040"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=76040"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=76040"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=76040"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=76040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}