{"id":85170,"date":"2025-10-31T02:45:58","date_gmt":"2025-10-31T02:45:58","guid":{"rendered":""},"modified":"2025-11-02T03:01:42","modified_gmt":"2025-11-02T09:01:42","slug":"cve-2025-48523-unauthorized-addition-of-contacts-due-to-java-logic-error","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-48523-unauthorized-addition-of-contacts-due-to-java-logic-error\/","title":{"rendered":"<strong>CVE-2025-48523: Unauthorized Addition of Contacts Due to Java Logic Error<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this report, we are focusing on the CVE-2025-48523 vulnerability, a logic error in the onCreate function of SelectAccountActivity.java. This vulnerability allows unauthorized users to add contacts without necessary permissions, potentially leading to a local escalation of privilege. This can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41667-potential-system-compromise-via-file-access-exploitation\/\"  data-wpil-monitor-id=\"92171\">potentially compromise the system<\/a> or leak data. The issue is especially alarming as it does not require user interaction for exploitation, making it a serious threat for any entity using the affected products.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-48523<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30375-type-confusion-vulnerability-in-microsoft-office-excel-leading-to-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"92016\">Unauthorized contact addition can lead<\/a> to local privilege escalation, potentially resulting in system compromise or data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1389609645\" 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 1] | [All versions before patch]<br \/>\n[Product 2] | [All versions before patch]<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This exploit takes advantage of a logic error in the onCreate method of SelectAccountActivity.java. A malicious actor can manipulate the process to add contacts without the necessary permissions. This could allow them to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5692-unauthorized-data-modification-and-privilege-escalation-in-wordpress-lead-form-data-collection-to-crm-plugin\/\"  data-wpil-monitor-id=\"92041\">escalate privileges<\/a> locally, leading to potential system compromise or data leakage. And all of this can be done without the need for any user interaction.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3371085226\" 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 vulnerability might be exploited. This could be a sample Java code snippet, demonstrating how an attacker could manipulate the process to add contacts:<\/p>\n<pre><code class=\"\" data-line=\"\">\/\/ Create a new account\nAccount newAccount = new Account(&quot;malicious_account&quot;, &quot;com.example&quot;);\n\/\/ Pass the new account to SelectAccountActivity\nIntent intent = new Intent(context, SelectAccountActivity.class);\nintent.putExtra(&quot;account&quot;, newAccount);\n\/\/ Start the activity\ncontext.startActivity(intent);<\/code><\/pre>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, users are strongly advised to apply the vendor patch as soon as it is available. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure to monitor for and block potential exploit attempts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this report, we are focusing on the CVE-2025-48523 vulnerability, a logic error in the onCreate function of SelectAccountActivity.java. This vulnerability allows unauthorized users to add contacts without necessary permissions, potentially leading to a local escalation of privilege. This can potentially compromise the system or leak data. The issue is especially alarming as it [&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":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85170","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/85170","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=85170"}],"version-history":[{"count":3,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/85170\/revisions"}],"predecessor-version":[{"id":85383,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/85170\/revisions\/85383"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=85170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=85170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=85170"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=85170"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=85170"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=85170"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=85170"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=85170"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=85170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}