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CVE-2021-43024: Out-of-bounds Write (CWE-787) in Adobe Premiere Rush

Medium
Published: Mon Dec 20 2021 (12/20/2021, 20:08:33 UTC)
Source: CVE
Vendor/Project: Adobe
Product: Premiere Rush

Description

Adobe Premiere Rush version 1.5.16 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious WAV file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

AI-Powered Analysis

AILast updated: 06/23/2025, 20:14:34 UTC

Technical Analysis

CVE-2021-43024 is a memory corruption vulnerability classified as an out-of-bounds write (CWE-787) affecting Adobe Premiere Rush version 1.5.16 and earlier. The vulnerability arises from insecure handling of maliciously crafted WAV audio files. When a user opens or imports such a WAV file into the affected version of Premiere Rush, the application may perform an out-of-bounds write operation in memory. This memory corruption can lead to arbitrary code execution within the context of the current user, allowing an attacker to potentially execute malicious payloads or commands. Exploitation requires user interaction, specifically the user opening or importing the malicious WAV file, which limits the attack vector to scenarios involving social engineering or delivery of crafted media files. There are no known public exploits in the wild, and Adobe has not provided official patches or updates linked in the provided information. The vulnerability impacts the confidentiality, integrity, and availability of the affected system by enabling code execution, which could lead to data compromise or system manipulation. The affected product, Adobe Premiere Rush, is a video editing software popular among content creators and media professionals, which implies that users handling multimedia files are at risk if they use vulnerable versions.

Potential Impact

For European organizations, the impact of CVE-2021-43024 can be significant particularly in sectors relying heavily on multimedia content creation, such as media companies, advertising agencies, and educational institutions. Successful exploitation could allow attackers to execute arbitrary code, potentially leading to data theft, unauthorized access to sensitive projects, or disruption of production workflows. Since the vulnerability requires user interaction, phishing campaigns or malicious file distribution could be used as attack vectors. The compromise of user systems could also serve as a foothold for lateral movement within corporate networks, especially if the affected user has elevated privileges or access to critical resources. Additionally, organizations involved in creative industries across Europe may face reputational damage and operational downtime if their editing environments are compromised. The lack of known exploits reduces immediate risk, but the presence of the vulnerability in widely used software necessitates proactive mitigation to prevent future exploitation.

Mitigation Recommendations

1. Immediate upgrade: Organizations should verify the version of Adobe Premiere Rush in use and upgrade to the latest version provided by Adobe that addresses this vulnerability once available. 2. File handling policies: Implement strict policies to control the import and opening of media files, especially WAV files from untrusted or unknown sources. 3. User awareness training: Educate users on the risks of opening unsolicited or suspicious media files and encourage verification of file origins before use. 4. Application sandboxing: Run Adobe Premiere Rush within a sandboxed or isolated environment to limit the impact of potential code execution. 5. Endpoint protection: Deploy advanced endpoint detection and response (EDR) solutions capable of detecting anomalous behaviors indicative of exploitation attempts. 6. Network segmentation: Limit the access of multimedia workstations to critical network segments to reduce lateral movement opportunities. 7. Monitor for indicators: Although no known exploits exist, monitor security logs for unusual application crashes or suspicious file activities related to Premiere Rush. 8. Patch management: Maintain a robust patch management process to apply security updates promptly once Adobe releases a fix for this vulnerability.

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Technical Details

Data Version
5.1
Assigner Short Name
adobe
Date Reserved
2021-10-25T00:00:00.000Z
Cisa Enriched
true

Threat ID: 682d9841c4522896dcbf1ff6

Added to database: 5/21/2025, 9:09:21 AM

Last enriched: 6/23/2025, 8:14:34 PM

Last updated: 8/13/2025, 8:02:40 PM

Views: 11

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