{"id":84524,"date":"2025-10-24T11:29:11","date_gmt":"2025-10-24T11:29:11","guid":{"rendered":""},"modified":"2025-11-01T05:56:39","modified_gmt":"2025-11-01T11:56:39","slug":"cve-2025-57777-out-of-bounds-write-vulnerability-in-digilent-dasylab-s-displ2-dll","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-57777-out-of-bounds-write-vulnerability-in-digilent-dasylab-s-displ2-dll\/","title":{"rendered":"<strong>CVE-2025-57777: Out of Bounds Write Vulnerability in Digilent DASYLab&#8217;s displ2.dll<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This report examines CVE-2025-57777, a critical out of bounds write vulnerability in Digilent DASYLab&#8217;s displ2.dll, affecting all versions of DASYLab. The vulnerability arises due to improper bounds checking when parsing a DSB file, potentially leading to arbitrary code execution.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-57777<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4380-critical-local-file-inclusion-vulnerability-in-ads-pro-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"92010\">Local File<\/a><br \/>\nPrivileges Required: User<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43931-potential-system-compromise-via-flask-boilerplate-s-password-reset-feature\/\"  data-wpil-monitor-id=\"91482\">Potential system compromise<\/a> and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-901081442\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>Digilent DASYLab | All versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit involves a threat actor crafting a malicious DSB file that, when parsed by displ2.dll in DASYLab, allows a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43554-unchecked-bounds-write-vulnerability-in-substance3d-modeler\/\"  data-wpil-monitor-id=\"91556\">write operation outside of the allocated memory bounds<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43572-out-of-bounds-write-vulnerability-in-dimension-4-1-2-and-earlier-versions\/\"  data-wpil-monitor-id=\"91512\">out-of-bounds write<\/a> can result in memory corruption, potentially leading to arbitrary code execution. The attacker must convince the user to open this specially crafted DSB <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49414-unrestricted-upload-of-file-with-dangerous-type-vulnerability-in-fw-gallery\/\"  data-wpil-monitor-id=\"91447\">file to successfully exploit the vulnerability<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-514276023\" 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 a specially crafted DSB <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30933-unrestricted-file-upload-vulnerability-in-logisticshub\/\"  data-wpil-monitor-id=\"91467\">file might contain a payload to exploit this vulnerability:<\/a><\/p>\n<pre><code class=\"\" data-line=\"\">$ echo &#039;malicious_payload&#039; &gt; exploit.dsb<\/code><\/pre>\n<p>In this example, &#8216;malicious_payload&#8217; represents the data that causes the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43548-out-of-bounds-write-vulnerability-in-dimension\/\"  data-wpil-monitor-id=\"91561\">out-of-bounds write<\/a> when the `exploit.dsb` file is opened in DASYLab.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are urged to apply the vendor-supplied patch to mitigate this vulnerability. In the absence of a patch, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by blocking or alerting on attempts to exploit this vulnerability. Users are also advised to be cautious of unsolicited DSB files and to refrain from opening DSB files from untrusted sources.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This report examines CVE-2025-57777, a critical out of bounds write vulnerability in Digilent DASYLab&#8217;s displ2.dll, affecting all versions of DASYLab. The vulnerability arises due to improper bounds checking when parsing a DSB file, potentially leading to arbitrary code execution. Vulnerability Summary CVE ID: CVE-2025-57777 Severity: High (7.8 CVSS Score) Attack Vector: Local File Privileges [&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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-84524","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84524","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=84524"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84524\/revisions"}],"predecessor-version":[{"id":85215,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84524\/revisions\/85215"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84524"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84524"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84524"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84524"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84524"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84524"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}