CVE-2021-44189 : Exploit Details and Defense Strategies

Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Use-After-Free vulnerability that could lead to disclosure of sensitive memory.

Understanding CVE-2021-44189

Adobe After Effects JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability

What is CVE-2021-44189?

The CVE-2021-44189 is a Use-After-Free vulnerability in Adobe After Effects that allows an attacker to disclose sensitive memory, potentially bypassing mitigations like ASLR.

The Impact of CVE-2021-44189

Low severity vulnerability with a CVSS base score of 3.3
Requires user interaction, victim opening a malicious file
Could lead to sensitive memory disclosure

Technical Details of CVE-2021-44189

Vulnerability in JPEG2000 parsing in Adobe After Effects

Vulnerability Description

Use-After-Free vulnerability affecting versions 22.0 and 18.4.2
Allows attackers to disclose sensitive memory

Affected Systems and Versions

Product: Adobe After Effects
Versions affected: 22.0 and 18.4.2

Exploitation Mechanism

Requires user interaction by opening a malicious file

Mitigation and Prevention

Update Adobe After Effects to mitigate the vulnerability

Immediate Steps to Take

Apply the security patch provided by Adobe
Avoid opening files from untrusted sources
Monitor Adobe security advisories for updates

Long-Term Security Practices

Regularly update software and applications
Educate users on safe browsing habits
Implement security measures to detect malicious files

Patching and Updates

Refer to Adobe's security advisory (APSB21-115) for patching instructions