CVE-2020-9641 in Illustrator
Summary
by MITRE
Adobe Illustrator versions 24.1.2 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 suffers from a critical memory corruption vulnerability that exists in versions 24.1.2 and earlier, representing a significant security risk for users who handle complex design files. This vulnerability stems from improper handling of memory allocation and deallocation processes within the application's codebase, creating opportunities for malicious actors to manipulate memory structures and execute unauthorized code. The flaw manifests when Illustrator processes specially crafted input files that trigger buffer overflows or use-after-free conditions, allowing attackers to gain control over the application's execution flow.
The technical nature of this vulnerability aligns with common software security weaknesses categorized under CWE-121, which deals with stack-based buffer overflow conditions, and CWE-122, which addresses heap-based buffer overflow scenarios. These memory corruption issues typically arise from insufficient bounds checking when processing user-supplied data or when handling complex vector graphics operations that require substantial memory management. The vulnerability's exploitability is enhanced by the fact that Illustrator's file parsing mechanisms do not adequately validate input parameters, creating pathways for attackers to inject malicious code sequences that can be executed within the application's memory space.
The operational impact of CVE-2020-9641 extends beyond simple privilege escalation or arbitrary code execution, as it represents a complete compromise of the user's system when exploited successfully. Attackers can leverage this vulnerability to install malware, steal sensitive design data, or establish persistent backdoors within the victim's environment. The attack surface is particularly concerning given Illustrator's widespread use in creative industries where users frequently open files from untrusted sources, making the exploitation vector highly accessible through phishing campaigns or compromised design assets. This vulnerability directly maps to ATT&CK technique T1059.007, which covers script execution through applications, and T1190, which addresses exploitation of remote services through malicious file delivery.
Organizations and individual users should immediately update to Adobe Illustrator version 24.2.0 or later, which includes patches addressing the memory corruption issues identified in this CVE. System administrators should implement network segmentation and file validation controls to prevent unauthorized file execution, while also monitoring for suspicious file access patterns that might indicate exploitation attempts. The recommended mitigation strategy involves maintaining updated software versions, implementing robust input validation procedures, and conducting regular security assessments of creative workflows that involve complex file handling operations. Additionally, users should exercise extreme caution when opening design files from unknown sources and consider implementing sandboxed environments for processing untrusted content to limit potential damage from successful exploitation attempts.