CVE-2021-40702 : Vulnerability Insights and Analysis

Adobe Premiere Elements version 2021.2235820 (and earlier) has a memory corruption vulnerability linked to handling malicious psd files, potentially leading to arbitrary code execution.

Understanding CVE-2021-40702

Adobe Premiere Elements is susceptible to a memory corruption flaw that could enable cyber attackers to execute arbitrary code when processing a malicious psd file, demanding user interaction for exploitation.

What is CVE-2021-40702?

Vulnerability Type: Access of Memory Location After End of Buffer (CWE-788)
Severity Score: 7.8 (High)
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Affected Versions: Premiere Elements 2021.2235820 and earlier

The Impact of CVE-2021-40702

The vulnerability can have significant repercussions:

High availability, confidentiality, and integrity impact
Potential for arbitrary code execution
Attack vector: Local with unchanged scope

Technical Details of CVE-2021-40702

Adobe Premiere Elements vulnerability stems from:

Vulnerability Description

Insecure processing of malicious psd files
Resulting in memory corruption

Affected Systems and Versions

Adobe Premiere Elements version 2021.2235820 and earlier are confirmed vulnerable

Exploitation Mechanism

A cyber attacker crafts a malicious psd file
User interaction is necessary to trigger the vulnerability

Mitigation and Prevention

Immediate actions and long-term security practices can help mitigate the risks.

Immediate Steps to Take

Update Adobe Premiere Elements to the latest version
Avoid opening files from untrusted sources
Exercise caution when interacting with unknown files

Long-Term Security Practices

Regularly update software and security patches
Educate users on safe file handling practices

Patching and Updates

Apply patches and updates promptly to eliminate the vulnerability