{"id":83137,"date":"2025-10-20T02:08:15","date_gmt":"2025-10-20T02:08:15","guid":{"rendered":""},"modified":"2025-10-23T03:07:55","modified_gmt":"2025-10-23T09:07:55","slug":"cve-2025-53705-arbitrary-code-execution-vulnerability-in-ashlar-vellum-software","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53705-arbitrary-code-execution-vulnerability-in-ashlar-vellum-software\/","title":{"rendered":"<strong>CVE-2025-53705: Arbitrary Code Execution Vulnerability in Ashlar-Vellum Software<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, dubbed as CVE-2025-53705, has been discovered in multiple versions of Ashlar-Vellum software. The affected applications fail to properly validate user-supplied data, leading to potential out-of-bounds write scenarios. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8565-unauthorized-access-and-arbitrary-plugin-installation-vulnerability-in-wp-legal-pages-wordpress-plugin\/\"  data-wpil-monitor-id=\"90322\">vulnerability can be exploited to execute arbitrary<\/a> code in the context of the current process, posing a significant threat to system security and data integrity.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-53705<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: Arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58045-critical-remote-code-execution-vulnerability-in-dataease\/\"  data-wpil-monitor-id=\"90345\">code execution<\/a>, potential system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1905592610\" 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>Ashlar-Vellum Cobalt | Prior to 12.6.1204.204<br \/>\nAshlar-Vellum Xenon | Prior to 12.6.1204.204<br \/>\nAshlar-Vellum Argon | Prior to 12.6.1204.204<br \/>\nAshlar-Vellum Lithium | Prior to 12.6.1204.204<br \/>\nCobalt Share | Prior to 12.6.1204.204<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit leverages the lack of proper validation of user-supplied data in the targeted applications. When parsing CO files, the affected software fails to properly check the bounds of data, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47752-out-of-bounds-write-vulnerability-in-v-sft-v6-2-5-0-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"91355\">leading to an out-of-bounds write<\/a>. An attacker, by supplying maliciously crafted data, can exploit this weakness to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49565-remote-code-execution-vulnerability-in-cbis-manager-podman-container\/\"  data-wpil-monitor-id=\"90436\">execute arbitrary code<\/a> within the context of the current process.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2730810599\" 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>The following pseudocode gives a conceptual demonstration of how the vulnerability might be exploited.<\/p>\n<pre><code class=\"\" data-line=\"\">def exploit(target):\nmalicious_data = craft_malicious_data() # Function to craft malicious data\nco_file = create_co_file(malicious_data) # Function to create a CO file with malicious data\n# Simulate user interaction that leads to the parsing of the crafted CO file\nuser_interaction = simulate_user_interaction(target, co_file)\nif user_interaction:\nexecute_arbitrary_code(target) # Function to execute arbitrary code in the context of the current process<\/code><\/pre>\n<p><strong>Mitigation<\/strong><\/p>\n<p>Users of the affected software are advised to update to the latest version (12.6.1204.204 or later). If unable to do so, consider using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure until a patch can be applied.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, dubbed as CVE-2025-53705, has been discovered in multiple versions of Ashlar-Vellum software. The affected applications fail to properly validate user-supplied data, leading to potential out-of-bounds write scenarios. This vulnerability can be exploited to execute arbitrary code in the context of the current process, posing a significant threat to system security and [&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-83137","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\/83137","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=83137"}],"version-history":[{"count":4,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/83137\/revisions"}],"predecessor-version":[{"id":84386,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/83137\/revisions\/84386"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=83137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=83137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=83137"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=83137"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=83137"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=83137"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=83137"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=83137"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=83137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}