CVE-2019-7962 in Illustrator CC
Summary
by MITRE
Adobe Illustrator CC versions 23.1 and earlier have an insecure library loading (dll hijacking) vulnerability. Successful exploitation could lead to privilege escalation.
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Analysis
by VulDB Data Team • 10/21/2024
Adobe Illustrator CC version 23.1 and earlier contains a critical insecure library loading vulnerability that falls under the CWE-427 Uncontrolled Search Path Element classification within the Common Weakness Enumeration framework. This vulnerability specifically manifests as a dynamic link library hijacking issue where the application fails to properly validate or restrict the search paths used to locate required shared libraries. The flaw occurs when Illustrator attempts to load dynamic link libraries without implementing proper security measures to prevent malicious code execution through path manipulation attacks.
The technical implementation of this vulnerability stems from Illustrator's improper handling of library loading mechanisms during application startup or when processing specific file formats. When the application searches for required DLL files, it does not adequately sanitize the search paths or enforce strict library resolution procedures. Attackers can exploit this by placing malicious DLL files in directories that are searched before the legitimate library locations, allowing them to execute arbitrary code with the privileges of the running Illustrator process. This creates a privilege escalation vector that can be particularly dangerous in enterprise environments where Illustrator may be running with elevated permissions.
The operational impact of this vulnerability extends beyond simple code execution as it represents a fundamental flaw in the application's security architecture that can be leveraged by adversaries to gain unauthorized access to systems. The vulnerability affects not only individual user workstations but also poses risks to broader network security when Illustrator is used in professional environments where multiple users may be running the vulnerable software. Successful exploitation could enable attackers to establish persistent access, escalate privileges, or deploy additional malicious payloads that could compromise entire network infrastructures. The attack surface is particularly concerning given Illustrator's widespread use in creative industries and its frequent handling of design files that may be shared across organizations.
Organizations should immediately implement mitigations including updating to Adobe Illustrator CC version 23.2 or later, which contains the necessary patches to address the insecure library loading vulnerability. System administrators should also consider implementing application control measures such as software restriction policies or application whitelisting to prevent unauthorized DLL loading attempts. The ATT&CK framework categorizes this vulnerability under T1059 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation, highlighting the need for layered defensive approaches. Additional protective measures include monitoring for suspicious DLL loading activities, implementing least privilege principles for Illustrator usage, and conducting regular security assessments to identify similar vulnerabilities in other Adobe applications or third-party software components.