{"id":64382,"date":"2025-08-28T20:49:26","date_gmt":"2025-08-28T20:49:26","guid":{"rendered":""},"modified":"2025-09-11T18:49:07","modified_gmt":"2025-09-12T00:49:07","slug":"cve-2025-50503-critical-otp-bypass-vulnerability-in-touch-lebanon-mobile-app","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-50503-critical-otp-bypass-vulnerability-in-touch-lebanon-mobile-app\/","title":{"rendered":"<strong>CVE-2025-50503: Critical OTP Bypass Vulnerability in Touch Lebanon Mobile App<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Today we&#8217;ll be discussing an alarming vulnerability in Touch Lebanon Mobile App version 2.20.2, identified as CVE-2025-50503. This vulnerability allows an attacker to bypass the One-Time-Password (OTP) mechanism during the password reset workflow, enabling unauthorized access to user accounts. The potential impact is severe, as it directly compromises the security of user accounts, opening the door for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74343\">potential system compromise<\/a> or data leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43588-out-of-bounds-write-vulnerability-in-substance3d-sampler-versions-5-0-and-earlier\/\"  data-wpil-monitor-id=\"73471\">vulnerability concerns any individual or entity using the specified version<\/a> of the Touch Lebanon Mobile App, emphasizing the critical importance of swift mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-50503<br \/>\nSeverity: Critical (8.8 CVSS v3)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72786\">Unauthorized access<\/a> to user accounts, potential system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-176021914\" 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>Touch Lebanon Mobile App | 2.20.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43932-account-takeover-vulnerability-in-jobcenter-through-password-reset-feature\/\"  data-wpil-monitor-id=\"76123\">vulnerability lies in the password reset<\/a> workflow of the app. After a user initiates a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50594-critical-password-reset-vulnerability-in-danphe-health-hospital-management-system-emr-3-2\/\"  data-wpil-monitor-id=\"80441\">password reset<\/a>, they receive an OTP for authentication. However, an attacker can manipulate the reset process to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8342-authentication-bypass-vulnerability-in-woocommerce-otp-login-with-phone-number-otp-verification-plugin\/\"  data-wpil-monitor-id=\"76678\">bypass this OTP<\/a> validation. The exact technical details of this manipulation cannot be disclosed due to security reasons, but it involves a sequence of actions that intercept and exploit the communication between the user and the server during the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-51543-admin-password-reset-vulnerability-in-cicool-builder-3-4-4\/\"  data-wpil-monitor-id=\"81769\">password reset<\/a> process.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2589461554\" 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 <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=\"75147\">illustration of how the vulnerability<\/a> might be exploited using an HTTP request. This example should not be used for malicious intent and is provided for educational purposes only.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/password-reset HTTP\/1.1\nHost: touchlebanonapp.com\nContent-Type: application\/json\n{\n&quot;userID&quot;: &quot;&lt;victim&#039;s userID&gt;&quot;,\n&quot;newPassword&quot;: &quot;&lt;attacker&#039;s chosen password&gt;&quot;,\n&quot;otp&quot;: &quot;&lt;any value&gt;&quot;\n}<\/code><\/pre>\n<p>Under normal circumstances, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-9408-server-side-request-forgery-attack-in-eclipse-glassfish\/\"  data-wpil-monitor-id=\"77276\">server should validate the &#8220;otp&#8221; value in the request<\/a> against the OTP sent to the user. However, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8028-critical-vulnerability-in-firefox-and-thunderbird-due-to-incorrect-computation-of-branch-address\/\"  data-wpil-monitor-id=\"73784\">due to the vulnerability<\/a>, the server does not validate this field, allowing the attacker to change the password of any user account.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are strongly advised to apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation by detecting and blocking suspicious activities. Additionally, it is always recommended to regularly monitor your accounts for any signs of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44655-unauthorized-access-and-privilege-escalation-in-totolink-routers\/\"  data-wpil-monitor-id=\"73267\">unauthorized access<\/a> or unusual activity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Today we&#8217;ll be discussing an alarming vulnerability in Touch Lebanon Mobile App version 2.20.2, identified as CVE-2025-50503. This vulnerability allows an attacker to bypass the One-Time-Password (OTP) mechanism during the password reset workflow, enabling unauthorized access to user accounts. The potential impact is severe, as it directly compromises the security of user accounts, opening [&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-64382","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\/64382","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=64382"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64382\/revisions"}],"predecessor-version":[{"id":74230,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64382\/revisions\/74230"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64382"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64382"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64382"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64382"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64382"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64382"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}