CVE-2021-28595 in Dimension
Summary
by MITRE • 08/20/2021
Adobe Dimension version 3.4 (and earlier) is affected by an Uncontrolled Search Path Element element. An unauthenticated attacker could leverage this vulnerability to achieve 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.
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Analysis
by VulDB Data Team • 05/03/2025
Adobe Dimension version 3.4 and earlier versions contain a critical uncontrolled search path element vulnerability that allows unauthenticated attackers to achieve arbitrary code execution within the context of the current user. This vulnerability resides in the application's handling of file paths during the processing of maliciously crafted files, creating a dangerous condition where the software searches for resources in unintended locations. The flaw specifically manifests when the application fails to properly validate or sanitize the search paths used for loading external resources, potentially allowing an attacker to inject malicious code into the execution flow. According to CWE-427, this represents a classic uncontrolled search path vulnerability where the application's search path includes directories that can be manipulated by an attacker, creating a pathway for privilege escalation and code injection. The vulnerability requires user interaction for exploitation, meaning a victim must open a malicious file for the attack to succeed, making it particularly dangerous in targeted social engineering campaigns where users might be tricked into opening seemingly legitimate files.
The technical exploitation of this vulnerability follows a well-documented pattern that aligns with ATT&CK technique T1059.001 for command and scripting interpreter usage. When a user opens a malicious file, the application's file processing routine attempts to locate required resources using a search path that may include attacker-controlled directories. This allows an attacker to place malicious DLLs or executable files in locations that the application will automatically load and execute. The vulnerability essentially creates a race condition or path manipulation scenario where the application's default search order prioritizes attacker-controlled locations over legitimate system directories. The attack vector typically involves crafting a specially formatted file that, when opened by Adobe Dimension, causes the application to search for dependencies in attacker-controlled paths. This flaw can be particularly devastating as it operates within the user's privilege context, allowing for persistent access and potential escalation to system-level privileges depending on the user's permissions. The vulnerability demonstrates a fundamental failure in input validation and path resolution mechanisms that should have been implemented to prevent such path traversal attacks.
The operational impact of CVE-2021-28595 extends beyond simple code execution, creating a potential gateway for more sophisticated attacks within enterprise environments. Organizations using Adobe Dimension are particularly vulnerable as this flaw affects a creative suite application that is commonly used in design and publishing workflows where users may encounter and open files from untrusted sources. The vulnerability's requirement for user interaction makes it susceptible to phishing campaigns, where attackers craft malicious files that appear legitimate within design contexts such as mockups, templates, or asset files. Attackers can leverage this vulnerability to establish persistent backdoors, exfiltrate sensitive design assets, or use the compromised system as a launch point for further attacks within the network. The attack surface is particularly concerning for creative agencies, design studios, and organizations that frequently exchange design files, as these environments provide ideal conditions for social engineering attacks. Security teams must consider this vulnerability as part of broader attack surface management strategies, especially when evaluating applications that handle file imports from external sources.
Mitigation strategies for CVE-2021-28595 should focus on both immediate patching and operational security measures. Adobe has released updates to address this vulnerability, and organizations should prioritize applying these patches to all affected systems running Adobe Dimension version 3.4 or earlier. System administrators should implement application whitelisting policies that restrict the execution of unauthorized code, particularly for creative applications that process external files. Network-based controls such as web application firewalls and content filtering solutions can help prevent the delivery of malicious files to users. Additionally, user education programs should emphasize the importance of verifying file sources and avoiding opening suspicious files, particularly in creative environments where such files are frequently exchanged. Organizations should consider implementing sandboxing solutions for file processing, especially for applications that handle complex file formats. Regular security audits should include assessment of third-party applications for similar path manipulation vulnerabilities, as this flaw represents a common pattern that may exist in other software components. The vulnerability also highlights the importance of least privilege principles, ensuring that users running creative applications operate with minimal necessary permissions to limit potential damage from successful exploitation attempts.