CVE-2021-40769 : Exploit Details and Defense Strategies

Adobe Character Animator version 4.4 and earlier are impacted by an out-of-bounds read vulnerability. This vulnerability could result in the disclosure of sensitive memory when a victim interacts with a malicious file.

Understanding CVE-2021-40769

Adobe Character Animator's vulnerability, allowing an out-of-bounds read, can have security implications if exploited maliciously.

What is CVE-2021-40769?

Affects Adobe Character Animator (Preview 4)
Vulnerability Type: Out-of-bounds Read (CWE-125)
Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Impact: Low confidentiality, no integrity impact

The Impact of CVE-2021-40769

Exploiting this vulnerability could lead to sensitive memory exposure and the ability to bypass certain mitigations like ASLR. It requires the victim to open a malicious file.

Technical Details of CVE-2021-40769

The specific technical details related to the vulnerability.

Vulnerability Description

The out-of-bounds read vulnerability in Adobe Character Animator may allow attackers to access sensitive memory contents.

Affected Systems and Versions

Product: Character Animator (Preview 4)
Vendor: Adobe
Versions Affected: 4.4 and earlier versions

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a victim into opening a specially crafted malicious file.

Mitigation and Prevention

Measures to mitigate and prevent the CVE-2021-40769 vulnerability.

Immediate Steps to Take

Update Adobe Character Animator to the latest version
Avoid opening files from untrusted or unknown sources

Long-Term Security Practices

Regularly update software and applications
Educate users on safe browsing habits

Patching and Updates

Adobe may release patches or updates to address this vulnerability