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CVE-2022-38402: Out-of-bounds Read (CWE-125) in Adobe InCopy

Medium
Published: Fri Sep 16 2022 (09/16/2022, 17:14:14 UTC)
Source: CVE
Vendor/Project: Adobe
Product: InCopy

Description

Adobe InCopy version 17.3 (and earlier) and 16.4.2 (and earlier) are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

AI-Powered Analysis

AILast updated: 06/22/2025, 19:35:36 UTC

Technical Analysis

CVE-2022-38402 is a heap-based buffer overflow vulnerability classified under CWE-125 (Out-of-bounds Read) affecting Adobe InCopy versions 17.3 and earlier, as well as 16.4.2 and earlier. Adobe InCopy is a professional word processing software widely used in editorial and publishing workflows. The vulnerability arises when the software processes specially crafted malicious files, leading to an out-of-bounds read condition on the heap memory. This memory corruption can be exploited to execute arbitrary code within the context of the current user. However, exploitation requires user interaction, specifically the victim opening a maliciously crafted InCopy file. There are no known exploits in the wild as of the publication date, and no official patches or updates have been linked in the provided information, although Adobe typically addresses such vulnerabilities in security updates. The vulnerability impacts confidentiality, integrity, and availability by potentially allowing an attacker to execute code, which could lead to data theft, modification, or system compromise limited to the privileges of the user running InCopy. The attack vector is local and dependent on social engineering to convince users to open malicious files, which somewhat limits the ease of exploitation but does not eliminate the risk, especially in environments where InCopy files are frequently exchanged. The vulnerability is specifically tied to Adobe InCopy, which is predominantly used in creative and publishing sectors.

Potential Impact

For European organizations, particularly those in the media, publishing, and creative industries, this vulnerability poses a moderate risk. Successful exploitation could lead to unauthorized code execution, potentially resulting in data breaches, intellectual property theft, or disruption of editorial workflows. Since Adobe InCopy is used in collaborative environments, malicious files could be distributed internally or via external partners, increasing the risk of lateral movement within networks. The impact on confidentiality is significant if sensitive editorial content or unpublished materials are accessed or exfiltrated. Integrity could be compromised if attackers modify documents or templates, potentially undermining trust in published content. Availability impacts might include application crashes or denial of service, disrupting business operations. Given the requirement for user interaction, the risk is mitigated somewhat by user awareness but remains relevant due to the high volume of file exchanges in affected sectors. Additionally, the vulnerability could be leveraged as an initial foothold in targeted attacks against high-profile media organizations or governmental communication departments in Europe.

Mitigation Recommendations

1. Implement strict file handling policies: Restrict the acceptance and opening of InCopy files from untrusted or unknown sources. 2. Employ advanced email filtering and sandboxing solutions to detect and block malicious InCopy files before they reach end users. 3. Conduct targeted user awareness training focusing on the risks of opening unsolicited or unexpected InCopy files, emphasizing verification of file origins. 4. Monitor and audit the use of Adobe InCopy within the organization, including logging file access and application behavior to detect anomalies. 5. Apply the principle of least privilege by ensuring users run InCopy with minimal necessary permissions to limit the impact of potential exploitation. 6. Maintain up-to-date backups of critical editorial content to enable recovery in case of compromise. 7. Stay vigilant for Adobe security advisories and apply patches promptly once available, as Adobe regularly releases updates addressing such vulnerabilities. 8. Consider network segmentation to isolate systems running InCopy from critical infrastructure to reduce lateral movement opportunities.

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Technical Details

Data Version
5.1
Assigner Short Name
adobe
Date Reserved
2022-08-18T00:00:00.000Z
Cisa Enriched
true

Threat ID: 682d9845c4522896dcbf4136

Added to database: 5/21/2025, 9:09:25 AM

Last enriched: 6/22/2025, 7:35:36 PM

Last updated: 8/17/2025, 6:07:55 AM

Views: 17

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