CVE-2021-42272 : Vulnerability Insights and Analysis

Adobe Animate versions 21.0.9 and earlier are affected by an out-of-bounds write vulnerability that could lead to arbitrary code execution. Users must be cautious when interacting with GIF files.

Understanding CVE-2021-42272

Adobe Animate GIF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

What is CVE-2021-42272?

Adobe Animate versions 21.0.9 and earlier contain a critical out-of-bounds write vulnerability that can be exploited by opening a malicious GIF file, potentially enabling an attacker to execute arbitrary code.

The Impact of CVE-2021-42272

This high-severity vulnerability allows an attacker to execute code within the context of the current user, posing a significant risk to confidentiality, integrity, and system availability.

Technical Details of CVE-2021-42272

Vulnerability Description

Vulnerability Type: Out-of-bounds Write (CWE-787)
Attack Vector: Local
User Interaction Required: Yes
Privileges Required: None
CVSS v3.0 Base Score: 7.8 (High)

Affected Systems and Versions

Affected Product: Adobe Animate
Affected Versions: <= 21.0.9

Exploitation Mechanism

Exploiting this vulnerability requires the victim to open a specially crafted malicious GIF file, enabling the attacker to trigger the out-of-bounds write and potentially execute malicious code.

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Animate to the latest patched version.
Avoid opening GIF files from untrusted or unknown sources.
Educate users on safe browsing practices and the risks associated with opening unfamiliar files.

Long-Term Security Practices

Implement security training to raise awareness of social engineering tactics.
Regularly update software and apply security patches to mitigate known vulnerabilities.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure all Adobe Animate installations are updated to the latest version to protect against potential exploits.