CVE-2020-9570 in Illustrator
Summary
by MITRE
Adobe Illustrator versions 24.0.2 and earlier have a memory corruption vulnerability. Successful exploitation could lead to arbitrary code execution .
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Analysis
by VulDB Data Team • 10/27/2020
Adobe Illustrator versions 24.0.2 and earlier contain a memory corruption vulnerability that represents a critical security risk for users of this graphic design software. This vulnerability falls under the category of heap-based buffer overflows as identified by the CWE-122 classification, where insufficient bounds checking allows attackers to write beyond allocated memory regions. The flaw manifests when the application processes specially crafted input files, particularly those containing malformed vector graphics or embedded metadata that triggers improper memory handling during parsing operations.
The technical exploitation of this vulnerability occurs through carefully constructed malicious files that cause the application to allocate insufficient memory for processing certain graphic elements. When Illustrator attempts to handle these malformed inputs, the memory corruption results in unpredictable program behavior that can be leveraged by attackers to execute arbitrary code with the privileges of the affected user. This type of vulnerability aligns with the ATT&CK technique T1059.007 for Command and Scripting Interpreter, as it provides a pathway for code execution that could be used to establish persistent access or escalate privileges within the compromised system. The vulnerability's impact is particularly severe because Illustrator is widely used in creative industries where users frequently open files from untrusted sources, making the attack surface substantial.
The operational implications of this vulnerability extend beyond individual user compromise to potentially affect entire organizations that rely on Illustrator for professional design work. Attackers could exploit this weakness through social engineering campaigns targeting designers and creative professionals who might unknowingly open malicious files from email attachments, download repositories, or collaborative platforms. The memory corruption nature means that successful exploitation could result in complete system compromise, as the arbitrary code execution capability allows attackers to install backdoors, steal sensitive data, or deploy additional malware. Organizations using older versions of Illustrator should consider this vulnerability as a high-priority threat that requires immediate remediation through software updates.
Mitigation strategies should focus on immediate patch deployment for Adobe Illustrator versions 24.0.3 and later, which contain the necessary memory safety improvements. System administrators should implement strict file validation policies for graphic files, particularly those originating from external sources, and consider deploying sandboxing solutions that isolate Illustrator execution from critical system resources. Network-level protections such as email filtering and web proxy configurations can help prevent users from accessing malicious files through common attack vectors. The vulnerability demonstrates the importance of maintaining up-to-date software versions and implementing defense-in-depth strategies that reduce the attack surface for applications handling complex file formats. Organizations should also consider implementing endpoint detection and response solutions that can identify anomalous behavior indicative of exploitation attempts, as memory corruption vulnerabilities often produce detectable patterns in system activity before full compromise occurs.