CVE-2021-40733 : Security Advisory and Response

Adobe Animate version 21.0.9 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .psd file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Understanding CVE-2021-40733

Adobe Animate Memory Corruption Could Lead To Arbitrary Code Execution

What is CVE-2021-40733?

CVE-2021-40733 is a memory corruption vulnerability in Adobe Animate version 21.0.9 and earlier. It arises from insecure processing of a malicious .psd file, allowing attackers to execute arbitrary code within the user's context. User interaction is necessary for successful exploitation.

The Impact of CVE-2021-40733

The vulnerability has the following impact:

CVSS Base Score: 7.8 (High)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2021-40733

Adobe Animate Memory Corruption Could Lead To Arbitrary Code Execution

Vulnerability Description

The vulnerability stems from a memory corruption issue due to improper handling of a .psd file in Adobe Animate, allowing for potential arbitrary code execution.

Affected Systems and Versions

Affected Product: Adobe Animate
Vendor: Adobe
Affected Versions:
Version less than or equal to 21.0.9
Not specified

Exploitation Mechanism

Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Unchanged

Mitigation and Prevention

Adobe Animate Memory Corruption Could Lead To Arbitrary Code Execution

Immediate Steps to Take

To mitigate the risk associated with CVE-2021-40733:

Update Adobe Animate to the latest version
Avoid opening untrusted .psd files
Exercise caution while interacting with unknown or suspicious sources

Long-Term Security Practices

Regularly update software and security patches
Conduct security training for users on identifying and handling potential threats

Patching and Updates

Adobe has released a patch addressing this vulnerability. Ensure timely installation of updates to safeguard against potential exploits.