CVE-2021-40771 Explained : Impact and Mitigation
Learn about CVE-2021-40771 affecting Adobe Prelude version 10.1, allowing arbitrary code execution through malicious WAV files. Find mitigation steps and long-term security practices here.
Adobe Prelude version 10.1 (and earlier) is susceptible to a memory corruption vulnerability when processing WAV files, potentially leading to arbitrary code execution. User interaction is necessary for exploit.
Understanding CVE-2021-40771
Adobe Prelude version 10.1 (and earlier) is affected by a memory corruption vulnerability that could allow an attacker to execute arbitrary code by tricking a user into opening a specially crafted WAV file.
What is CVE-2021-40771?
The CVE-2021-40771 vulnerability pertains to Adobe Prelude version 10.1 (and prior) and involves insecure handling of malicious WAV files, presenting a risk of arbitrary code execution in the context of the current user. The victim needs to interact with the specially designed file to trigger this vulnerability.
The Impact of CVE-2021-40771
The impact of CVE-2021-40771 is rated as follows:
- CVSS Base Score: 7.8 (High)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2021-40771
Adobe Prelude WAV File Parsing Memory Corruption Arbitrary Code Execution vulnerability details.
Vulnerability Description
The vulnerability is due to insecure handling of a malicious WAV file, potentially leading to arbitrary code execution.
Affected Systems and Versions
The following systems and versions are affected:
- Product: Prelude
- Vendor: Adobe
- Affected Version: <= 10.1
Exploitation Mechanism
Exploiting this vulnerability requires the victim to open a specially crafted file. Upon opening, the attacker can execute arbitrary code in the context of the current user.
Mitigation and Prevention
Measures to address CVE-2021-40771.
Immediate Steps to Take
Immediate actions to mitigate the risk:
- Patch Adobe Prelude to the latest version.
- Avoid opening untrusted WAV files.
- Implement file validation mechanisms.
Long-Term Security Practices
Maintain security with these practices:
- Regularly update software and security patches.
- Educate users on safe file handling practices.
- Employ network intrusion detection systems.
Patching and Updates
Adobe has likely released a patch to address this vulnerability. Ensure prompt installation of patches to safeguard against potential exploits.