{"id":23869,"date":"2025-04-16T01:17:37","date_gmt":"2025-04-16T01:17:37","guid":{"rendered":""},"modified":"2025-08-08T06:29:24","modified_gmt":"2025-08-08T12:29:24","slug":"cve-2023-33113-memory-corruption-vulnerability-leading-to-system-compromise-or-data-leakage","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-33113-memory-corruption-vulnerability-leading-to-system-compromise-or-data-leakage\/","title":{"rendered":"<strong>CVE-2023-33113: Memory Corruption Vulnerability Leading to System Compromise or Data Leakage<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is plagued with countless threats, and the vulnerability CVE-2023-33113 is a recent addition to the list. This vulnerability is characterized by memory corruption when a resource manager sends the host kernel a reply message with multiple fragments. This vulnerability potentially affects a vast number of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21673-high-impact-remote-code-execution-vulnerability-in-confluence-data-center-and-server\/\"  data-wpil-monitor-id=\"28869\">systems and can lead<\/a> to system compromise or data leakage, thus presenting a significant risk to user data and system integrity.<br \/>\nGiven the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52307-high-severity-stack-overflow-vulnerability-in-paddlepaddle-prior-to-version-2-6-0\/\"  data-wpil-monitor-id=\"33956\">severity of this vulnerability<\/a>, it is of utmost importance to understand its mechanics, potential impacts, and mitigation strategies. The purpose of this post is to provide a comprehensive overview of CVE-2023-33113, shedding light on these aspects and enabling <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45949-phpgurukul-user-management-system-session-hijacking-vulnerability\/\"  data-wpil-monitor-id=\"41147\">system administrators and users<\/a> to protect their systems effectively.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-33113<br \/>\nSeverity: High &#8211; CVSS Score 8.4<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33114-npu-memory-corruption-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"31849\">System Compromise<\/a>, Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-452881158\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0193-linux-kernel-use-after-free-vulnerability-in-netfilter-subsystem\/\"  data-wpil-monitor-id=\"41312\">Linux Kernel<\/a> | 3.2-4.19, 5.0-5.11<br \/>\nUbuntu | 18.04 LTS, 20.04 LTS, 21.04, 21.10<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32754-critical-ssh-host-key-vulnerability-in-jenkins-ssh-agent-docker-images\/\"  data-wpil-monitor-id=\"32484\">vulnerability originates from the way the host<\/a> kernel handles reply messages from the resource manager. When the resource <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24252-critical-memory-management-flaw-in-multiple-macos-and-tvos-versions\/\"  data-wpil-monitor-id=\"41797\">manager sends a reply message with multiple<\/a> fragments, there is a failure in the proper allocation and management of memory. This improper memory management leads to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33094-memory-corruption-vulnerability-in-vk-synchronization-with-kasan\/\"  data-wpil-monitor-id=\"30961\">memory corruption<\/a>. An attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43449-arbitrary-code-execution-vulnerability-in-hummerrisk-software\/\"  data-wpil-monitor-id=\"27393\">vulnerability to execute arbitrary code<\/a> or manipulate data, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-374011375\" 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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33033-audio-playback-memory-corruption-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"31216\">memory corruption<\/a> might be triggered. This is a simplified representation and should not be used as a real-world exploit.<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\nint main() {\nchar *buffer = malloc(10);\nif (buffer == NULL) {\nprintf(&quot;Memory allocation failed\\n&quot;);\nreturn EXIT_FAILURE;\n}\n\/\/ Overwrite the memory\nfor (int i = 0; i &lt; 100; i++) {\nbuffer[i] = &#039;A&#039;;\n}\nreturn EXIT_SUCCESS;\n}<\/code><\/pre>\n<p>In this example, we are <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46713-buffer-overflow-vulnerability-in-sandboxie-s-memory-allocation-subsystem\/\"  data-wpil-monitor-id=\"68563\">allocating a buffer<\/a> of size 10 bytes. Then we&#8217;re writing 100 bytes of data into it. This would <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-55354-protection-mechanism-failure-in-lucee-leading-to-unauthorized-code-execution-and-data-access\/\"  data-wpil-monitor-id=\"31040\">lead to memory corruption as we&#8217;re writing data<\/a> beyond what was allocated.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best course of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46342-kyverno-policy-engine-vulnerability-enables-unauthorized-actions-in-kubernetes\/\"  data-wpil-monitor-id=\"42715\">action to mitigate this vulnerability<\/a> is to apply the vendor-supplied patch. For temporary mitigation, you can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS). However, these are not foolproof solutions and only reduce the <a href=\"https:\/\/www.ameeba.com\/blog\/fortinet-s-fortigate-vulnerability-ssl-vpn-symlink-exploit-puts-user-access-at-risk-post-patching\/\"  data-wpil-monitor-id=\"30063\">risk of exploitation<\/a>. They do not eliminate the vulnerability.<br \/>\nAlways ensure that you have a robust backup and recovery strategy in place. This is your last line of defense should your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3914-potential-arbitrary-file-uploads-and-system-compromise-in-aeropage-sync-for-airtable-wordpress-plugin\/\"  data-wpil-monitor-id=\"40566\">system get compromised<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is plagued with countless threats, and the vulnerability CVE-2023-33113 is a recent addition to the list. This vulnerability is characterized by memory corruption when a resource manager sends the host kernel a reply message with multiple fragments. This vulnerability potentially affects a vast number of systems and can lead to system [&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":[95],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-23869","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","product-linux-kernel"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23869","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=23869"}],"version-history":[{"count":16,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23869\/revisions"}],"predecessor-version":[{"id":61917,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23869\/revisions\/61917"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=23869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=23869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=23869"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=23869"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=23869"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=23869"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=23869"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=23869"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=23869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}