{"id":73393,"date":"2025-09-09T03:22:36","date_gmt":"2025-09-09T03:22:36","guid":{"rendered":""},"modified":"2025-10-20T15:23:07","modified_gmt":"2025-10-20T21:23:07","slug":"cve-2025-47099-heap-based-buffer-overflow-vulnerability-in-incopy-leading-to-arbitrary-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47099-heap-based-buffer-overflow-vulnerability-in-incopy-leading-to-arbitrary-code-execution\/","title":{"rendered":"CVE-2025-47099: Heap-Based Buffer Overflow Vulnerability in InCopy leading to Arbitrary Code Execution<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

CVE-2025-47099 is a critical vulnerability discovered in older versions of InCopy, a popular desktop publishing software. This vulnerability stems from a heap-based buffer overflow issue, which could potentially allow an attacker to execute arbitrary code within the context of the current user. Given the widespread use of InCopy, this vulnerability poses a significant risk<\/a> to individuals and organizations alike, potentially leading to system compromise or data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-47099
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local
\nPrivileges Required: User
\nUser Interaction: Required
\nImpact: Arbitrary code execution<\/a>, potential system compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

InCopy | 20.3, 19.5.3, and earlier<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability arises from a flaw in the manner in which InCopy<\/a> handles memory allocation for certain file types. A maliciously crafted file, when opened by a user, can cause a heap-based buffer overflow<\/a>, overwriting memory areas that should not be accessible. This can lead to the execution of arbitrary code<\/a> in the context of the user who opened the file, potentially allowing an attacker to compromise the system or leak sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Here’s a conceptual example of how a malicious payload might be crafted. Note that the actual exploit would involve complex binary manipulations and would likely be embedded within a file format that InCopy can open.<\/p>\n

#!\/bin\/bash\n# Create a file with a payload that causes a buffer overflow\necho -n 'HEADER' > exploit.icml\necho -n 'OVERFLOW_PAYLOAD' >> exploit.icml\necho -n 'ARBITRARY_CODE' >> exploit.icml\n# The resulting file `exploit.icml` can be opened by InCopy, causing a buffer overflow and the execution of the arbitrary code.<\/code><\/pre>\n
Mitigation<\/strong><\/p>\n
To protect against this vulnerability<\/a>, users should apply the latest vendor-provided patches for InCopy. If patches are not available or cannot be applied immediately, it is recommended to use Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) as a temporary mitigation method to detect potential exploit attempts. Furthermore, users should be cautious when opening files from untrusted sources<\/a>, as the exploit requires user interaction to be successful.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview CVE-2025-47099 is a critical vulnerability discovered in older versions of InCopy, a popular desktop publishing software. This vulnerability stems from a heap-based buffer overflow issue, which could potentially allow an attacker to execute arbitrary code within the context of the current user. Given the widespread use of InCopy, this vulnerability poses a significant risk […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-73393","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t