CVE-2021-40762 : Vulnerability Insights and Analysis

Adobe Character Animator version 4.4 and earlier are affected by a Null pointer dereference vulnerability leading to an application denial-of-service.

Understanding CVE-2021-40762

Adobe Character Animator is susceptible to a specific type of vulnerability that could allow attackers to disrupt the application's functionality.

What is CVE-2021-40762?

This CVE involves a Null pointer dereference vulnerability in Adobe Character Animator, enabling unauthenticated attackers to cause a denial-of-service attack by manipulating files.

The Impact of CVE-2021-40762

The exploitation of this vulnerability could result in an application denial-of-service in the context of the current user. Here are the key details:

CVSS Base Score: 5.5 (Medium)
Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Availability Impact: High
CWE ID: CWE-476 (NULL Pointer Dereference)

Technical Details of CVE-2021-40762

Adobe Character Animator's vulnerability can be better understood through the following technical aspects:

Vulnerability Description

The vulnerability arises from a Null pointer dereference issue that occurs while processing malicious files in Adobe Character Animator.

Affected Systems and Versions

Affected Product: Adobe Character Animator (Preview 4)
Vendor: Adobe
Affected Versions: up to 4.4
Version Type: Custom

Exploitation Mechanism

Exploiting this vulnerability requires user interaction, specifically by opening a malicious file, allowing the attacker to trigger the application denial-of-service.

Mitigation and Prevention

Taking immediate steps to address and prevent CVE-2021-40762 is crucial for maintaining system security.

Immediate Steps to Take

Adobe recommends updating to the latest version or applying security patches provided by the vendor.
Users should exercise caution when opening files from untrusted or unknown sources.

Long-Term Security Practices

Regularly check for software updates and security advisories from Adobe.
Employ security tools and best practices to prevent unauthorized access to systems.

Patching and Updates

Ensure timely installation of software updates and patches released by Adobe to mitigate the vulnerability effectively.