Overview
InCopy, a popular text editor in the Adobe suite, has been identified with a critical vulnerability that potentially allows malicious actors to execute arbitrary code in the context of the current user. This vulnerability, tagged as CVE-2025-47107, affects versions 20.2, 19.5.3 and earlier of the software. The criticality of this vulnerability emanates from the fact that successful exploitation can lead to system compromise or data leakage, underscoring the urgent need for users and system administrators to apply necessary patches.
Vulnerability Summary
CVE ID: CVE-2025-47107
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: None
User Interaction: Required
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
InCopy | 20.2 and earlier
InCopy | 19.5.3 and earlier
How the Exploit Works
The vulnerability, a Heap-based Buffer Overflow, occurs when excess data is written into the buffer, causing it to overflow and overwrite adjacent memory locations. In this case, if a user opens a malicious file, it triggers the overflow, allowing the attacker to execute arbitrary code in the context of the current user. This could potentially allow the attacker to gain unauthorized access to the system, leading to system compromise or data leakage.
Conceptual Example Code
Though the specific code for this exploit is beyond the scope of this article, the pseudo-code below demonstrates a generic Buffer Overflow scenario:
char buffer[512];
// Copying 1024 bytes into a 512 byte buffer, causing an overflow
strcpy(buffer, get_user_input(1024));In the context of this vulnerability, an attacker would craft a malicious file that, when opened in InCopy, triggers the buffer overflow and enables them to execute arbitrary code.
Mitigation Guidance
Users and system administrators are advised to apply the latest vendor patch to mitigate this vulnerability. In scenarios where immediate patching is not feasible, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure, helping to detect and block any attempts to exploit this vulnerability.