{"id":84690,"date":"2025-10-26T11:33:25","date_gmt":"2025-10-26T11:33:25","guid":{"rendered":""},"modified":"2025-10-28T11:37:19","modified_gmt":"2025-10-28T17:37:19","slug":"cve-2024-56190-local-privilege-escalation-vulnerability-in-wl-cfgscan-c","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-56190-local-privilege-escalation-vulnerability-in-wl-cfgscan-c\/","title":{"rendered":"<strong>CVE-2024-56190: Local Privilege Escalation Vulnerability in wl_cfgscan.c<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape has encountered yet another threat in the form of CVE-2024-56190, a local privilege escalation vulnerability. This vulnerability resides in the wl_update_hidden_ap_ie() function of the wl_cfgscan.c file. It affects a broad range of systems, posing a substantial risk to the integrity, confidentiality, and availability of data. This vulnerability matters because it could be exploited without any additional execution privileges or user interaction, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20681-wlan-ap-driver-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"91583\">leading to potential system<\/a> compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-56190<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Local Escalation of Privileges <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43555-integer-underflow-vulnerability-in-animate-leading-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"91616\">leading to potential<\/a> system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2314554471\" 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 X]<br \/>\n[Product B] | [Version Y]<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability stems from the lack of proper input validation in the wl_update_hidden_ap_ie() function of wl_cfgscan.c. It allows an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43554-unchecked-bounds-write-vulnerability-in-substance3d-modeler\/\"  data-wpil-monitor-id=\"91560\">write out of the bounds<\/a> of an allocated data structure, which could lead to local escalation of privilege. Although no additional execution privileges are needed, the exploit could <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=\"91645\">potentially compromise the system<\/a> or cause data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3263350030\" 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 is a conceptual example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;stdio.h&gt;\n#include &lt;string.h&gt;\nvoid wl_update_hidden_ap_ie(int index, char *data, int length){\nchar buffer[256];\nif(length &gt; 256) { \/\/ Improper validation\nprintf(&quot;Data length too long\\n&quot;);\nreturn;\n}\nmemcpy(buffer, data, length); \/\/ Out of bounds write if length &gt; 256\n}\nint main(){\nchar malicious_data[300];\nmemset(malicious_data, &#039;A&#039;, 300);\nwl_update_hidden_ap_ie(0, malicious_data, 300); \/\/ Exploiting the vulnerability\nreturn 0;\n}<\/code><\/pre>\n<p>This code attempts to copy more data to the buffer than it can hold, leading to an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43548-out-of-bounds-write-vulnerability-in-dimension\/\"  data-wpil-monitor-id=\"91562\">out-of-bounds write<\/a>, which is where the vulnerability lies.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best remedy against this exploit is to apply a vendor patch if one is available. If not, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. Implementing proper input validation and boundary checks can also help to prevent such vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape has encountered yet another threat in the form of CVE-2024-56190, a local privilege escalation vulnerability. This vulnerability resides in the wl_update_hidden_ap_ie() function of the wl_cfgscan.c file. It affects a broad range of systems, posing a substantial risk to the integrity, confidentiality, and availability of data. This vulnerability matters because it could [&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":[86,76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-84690","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84690","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=84690"}],"version-history":[{"count":5,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84690\/revisions"}],"predecessor-version":[{"id":84814,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84690\/revisions\/84814"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84690"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84690"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84690"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84690"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84690"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84690"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}