{"id":52735,"date":"2025-06-16T21:17:30","date_gmt":"2025-06-16T21:17:30","guid":{"rendered":""},"modified":"2025-07-06T23:19:10","modified_gmt":"2025-07-07T05:19:10","slug":"cve-2025-49455-critical-deserialization-of-untrusted-data-vulnerability-in-loftocean-tinysalt","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49455-critical-deserialization-of-untrusted-data-vulnerability-in-loftocean-tinysalt\/","title":{"rendered":"<strong>CVE-2025-49455: Critical Deserialization of Untrusted Data Vulnerability in LoftOcean TinySalt<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity world has been alerted to a critical vulnerability labeled as CVE-2025-49455. This exploit is found within LoftOcean&#8217;s TinySalt software and involves a Deserialization of Untrusted Data issue. All versions of TinySalt up until 3.10.0 are affected, highlighting the severity and the widespread <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21469-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"59055\">potential of this vulnerability<\/a>.<br \/>\nDeserialization of Untrusted <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21462-memory-corruption-vulnerability-leading-to-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"59080\">Data vulnerabilities are of significant concern because they can lead<\/a> to severe consequences when successfully exploited, including system compromise and data leakage. As such, it&#8217;s crucial for businesses and individuals using the affected versions of TinySalt to understand the risks involved and take immediate steps to mitigate them.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49455<br \/>\nSeverity: Critical &#8211; CVSS 9.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21467-system-compromise-via-memory-corruption-in-fw-response\/\"  data-wpil-monitor-id=\"59131\">System compromise<\/a> and potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4141219119\" 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>LoftOcean TinySalt | All versions before 3.10.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49073-critical-deserialization-vulnerability-in-axiomthemes-sweet-dessert\/\"  data-wpil-monitor-id=\"59266\">vulnerability works by exploiting the process of deserialization<\/a> within the LoftOcean TinySalt software. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27531-critical-deserialization-of-untrusted-data-vulnerability-in-apache-inlong\/\"  data-wpil-monitor-id=\"59269\">Deserialization is the reverse process of turning data<\/a> from a byte stream back into its original data format. If an attacker can manipulate the data that is being deserialized, they can inject malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1329-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/\"  data-wpil-monitor-id=\"59392\">code that the application will then execute<\/a>.<br \/>\nIn the case of CVE-2025-49455, the software does not adequately validate or sanitize the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49072-deserialization-of-untrusted-data-vulnerability-in-ancorathemes-mr-murphy\/\"  data-wpil-monitor-id=\"59703\">data before deserializing<\/a> it. This allows an attacker to send specially crafted data to the application, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31424-sql-injection-vulnerability-in-wp-lead-capturing-pages-plugin\/\"  data-wpil-monitor-id=\"60229\">leading to Object Injection<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4162229220\" 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 an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5353-local-authenticated-attacker-exploit-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"61280\">attacker might exploit<\/a> this vulnerability. It involves sending a malicious JSON payload to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49199-application-backup-zips-vulnerability-and-system-compromise\/\"  data-wpil-monitor-id=\"61279\">vulnerable endpoint within the application<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;serialized_object&quot;: &quot;rO0ABXNyABdqYXZhLnV0aWwucHJlZnMuUHJlZmVyZW5jZXMAAAAAAAAAAAECAAJJAAVpAAV0AAhzdHJpbmd4cAAAAAD\/\/\/\/\/&quot;,\n&quot;signature&quot;: &quot;...&quot;\n}<\/code><\/pre>\n<p>In this example, `serialized_object` is a malicious serialized object that, when deserialized by the application, leads to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1330-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/\"  data-wpil-monitor-id=\"59417\">execution of unintended code<\/a>.<br \/>\nTo <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3319-an-authentication-bypass-vulnerability-in-ibm-spectrum-protect-server\/\"  data-wpil-monitor-id=\"64386\">protect against this vulnerability<\/a>, users are strongly advised to apply the latest vendor patches that fix this issue. If this is not immediately possible, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity world has been alerted to a critical vulnerability labeled as CVE-2025-49455. This exploit is found within LoftOcean&#8217;s TinySalt software and involves a Deserialization of Untrusted Data issue. All versions of TinySalt up until 3.10.0 are affected, highlighting the severity and the widespread potential of this vulnerability. Deserialization of Untrusted Data vulnerabilities are [&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-52735","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\/52735","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=52735"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/52735\/revisions"}],"predecessor-version":[{"id":57899,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/52735\/revisions\/57899"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=52735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=52735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=52735"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=52735"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=52735"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=52735"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=52735"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=52735"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=52735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}