{"id":53325,"date":"2025-06-18T12:32:58","date_gmt":"2025-06-18T12:32:58","guid":{"rendered":""},"modified":"2025-07-05T23:19:23","modified_gmt":"2025-07-06T05:19:23","slug":"cve-2025-5943-out-of-bounds-write-vulnerability-in-microdicom-dicom-viewer","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5943-out-of-bounds-write-vulnerability-in-microdicom-dicom-viewer\/","title":{"rendered":"<strong>CVE-2025-5943: Out-of-Bounds Write Vulnerability in MicroDicom DICOM Viewer<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The MicroDicom DICOM Viewer, a widely used software for viewing and analyzing medical images, has been found to possess a critical vulnerability termed as CVE-2025-5943. This flaw exposes the system to potential remote attacks, which, if successfully exploited, can lead to system compromise or data leakage. The gravity of this issue is amplified by the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49653-exposure-of-sensitive-data-in-lablup-s-backendai\/\"  data-wpil-monitor-id=\"64074\">sensitive nature of the data<\/a> often handled by this software, making it a matter of utmost concern for healthcare organizations and professionals using the software.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5943<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31222-potential-privilege-elevation-and-system-compromise-vulnerability\/\"  data-wpil-monitor-id=\"59661\">Potential system compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1225611460\" 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>MicroDicom DICOM Viewer | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49137-critical-vulnerability-in-hax-cms-php-prior-to-version-11-0-0\/\"  data-wpil-monitor-id=\"61985\">versions prior<\/a> to the patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2509-out-of-bounds-read-vulnerability-in-virglrenderer-in-chromeos\/\"  data-wpil-monitor-id=\"59647\">vulnerability arises from an out-of-bounds<\/a> write error in the MicroDicom DICOM Viewer. This error can be exploited by a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3835-remote-code-execution-vulnerability-in-zohocorp-manageengine-exchange-reporter-plus\/\"  data-wpil-monitor-id=\"59858\">remote attacker to inject arbitrary code<\/a> into the system. The attacker can craft a malicious DICOM <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47586-php-remote-file-inclusion-vulnerability-in-stylemixthemes-motors-events\/\"  data-wpil-monitor-id=\"59949\">file or construct a harmful website targeting this vulnerability<\/a>. When the user interacts with either of these &#8211; by opening the file or visiting the website &#8211; the arbitrary code gets executed, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21475-critical-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"59916\">potentially compromising the system or leading<\/a> to a data breach.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-426173383\" 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>A conceptual example of how this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26592-php-remote-file-inclusion-vulnerability-in-ancorathemes-inset\/\"  data-wpil-monitor-id=\"60177\">vulnerability could be exploited might be a DICOM file<\/a> with a specially crafted malicious payload. Below is a simplified representation of this concept:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/upload DICOM File HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/dicom\n{ &quot;malicious_payload&quot;: &quot;injected_code&quot; }<\/code><\/pre>\n<p>In the example above, an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5739-critical-buffer-overflow-vulnerability-in-totolink-x15-http-post-request-handler\/\"  data-wpil-monitor-id=\"59825\">HTTP POST request<\/a> is made to upload a DICOM file. The &#8220;malicious_payload&#8221; is the injected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2011-10007-arbitrary-code-execution-vulnerability-in-file-find-rule-for-perl\/\"  data-wpil-monitor-id=\"60003\">code that takes advantage of the out-of-bounds write vulnerability<\/a> in the DICOM Viewer. When the user opens this file, the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1331-ibm-cics-local-user-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"59966\">code gets executed<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the risk <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22236-minion-event-bus-authorization-bypass-vulnerability-posing-serious-security-threats\/\"  data-wpil-monitor-id=\"63350\">posed by this vulnerability<\/a>, users are strongly advised to apply the vendor patch as soon as it becomes available. Until then, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation measure. Regularly updating and patching the software, and avoiding <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-41691-sql-injection-vulnerability-in-os4ed-open-source-information-system-community\/\"  data-wpil-monitor-id=\"64179\">opening DICOM files from untrusted sources<\/a>, can also help in reducing the risk of exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The MicroDicom DICOM Viewer, a widely used software for viewing and analyzing medical images, has been found to possess a critical vulnerability termed as CVE-2025-5943. This flaw exposes the system to potential remote attacks, which, if successfully exploited, can lead to system compromise or data leakage. The gravity of this issue is amplified by [&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],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-53325","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53325","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=53325"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53325\/revisions"}],"predecessor-version":[{"id":57701,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53325\/revisions\/57701"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=53325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=53325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=53325"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=53325"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=53325"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=53325"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=53325"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=53325"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=53325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}