CVE-2021-43023 : Security Advisory and Response

Adobe Premiere Rush version 1.5.16 (and earlier) is affected by a memory corruption vulnerability related to the handling of malicious EPS/TIFF files, potentially leading to arbitrary code execution.

Understanding CVE-2021-43023

Adobe Premiere Rush EPS/TIFF File Memory Corruption Remote Code Execution

What is CVE-2021-43023?

Adobe Premiere Rush version 1.5.16 (and earlier) is impacted by a memory corruption vulnerability due to insecure handling of a malicious EPS/TIFF file, allowing attackers to execute arbitrary code within the user's context with user interaction.

The Impact of CVE-2021-43023

The vulnerability has a CVSSv3 Base Score of 7.8 (High severity), with a potential high impact on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2021-43023

Vulnerability Description

Type: Memory corruption vulnerability (CWE-788)
Exploit: Malicious EPS/TIFF file handling
Consequence: Arbitrary code execution

Affected Systems and Versions

Product: Adobe Premiere Rush
Versions: 1.5.16 and earlier

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Privileges Required: None

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Premiere Rush to the latest version
Avoid opening or accessing suspicious EPS/TIFF files
Implement security best practices for file handling

Long-Term Security Practices

Regularly update software and systems
Conduct security awareness training for users
Monitor and restrict file executions

Patching and Updates

Regularly check for security updates from Adobe for Adobe Premiere Rush.