CVE-2021-40787 : Vulnerability Insights and Analysis

Adobe Premiere Elements 20210809.daily.2242976 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious file, potentially leading to arbitrary code execution in the context of the current user. This CVE was published on October 26, 2021.

Understanding CVE-2021-40787

CVE-2021-40787 is a memory corruption vulnerability in Adobe Premiere Elements that could allow an attacker to execute arbitrary code on the affected system.

What is CVE-2021-40787?

Vulnerability Type: Memory Corruption
Vendor: Adobe
Affected Product: Premiere Elements
CVSS Base Score: 7.8 (High Severity)
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

The Impact of CVE-2021-40787

The vulnerability has the following impacts:

Attack Complexity: Low
Attack Vector: Local
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High
User Interaction Required: Yes

Technical Details of CVE-2021-40787

Adobe Premiere Elements 20210809.daily.2242976 is prone to memory corruption vulnerability due to the mishandling of a malicious file, which may lead to arbitrary code execution.

Vulnerability Description

CVE ID: CVE-2021-40787
CWE ID: CWE-788 (Access of Memory Location After End of Buffer)
Description: Insecure handling of a malicious file results in memory corruption, enabling potential arbitrary code execution.

Affected Systems and Versions

Affected Product: Premiere Elements
Vendor: Adobe
Vulnerable Versions: Prior to 20210809.daily.2242976

Exploitation Mechanism

The vulnerability requires user interaction to exploit, such as opening a specially crafted malicious file.

Mitigation and Prevention

Mitigation steps can help prevent exploitation and protect systems from potential attacks.

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 applications
Implement security best practices and follow Adobe's security guidelines

Patching and Updates

Keep software and systems up-to-date with the latest security patches and fixes to mitigate known vulnerabilities.