CVE-2021-40740 : What You Need to Know

Adobe Audition version 14.4 (and earlier) is affected by a memory corruption vulnerability when parsing a M4A file, potentially leading to arbitrary code execution. This CVE was published on October 26, 2021, by Adobe.

Understanding CVE-2021-40740

Adobe Audition is vulnerable to a memory corruption issue that could allow attackers to execute arbitrary code on the affected system.

What is CVE-2021-40740?

CVE-2021-40740 is a vulnerability in Adobe Audition that arises from a memory corruption flaw during the parsing of M4A files. Successful exploitation requires user interaction.

The Impact of CVE-2021-40740

The vulnerability has a CVSS base score of 7.8, with high severity impacting confidentiality, integrity, and availability. The attack complexity is low, but user interaction is required.

Technical Details of CVE-2021-40740

Adobe Audition's vulnerability involves the following technical aspects:

Vulnerability Description

Type: Memory corruption
Trigger: Parsing a malicious M4A file
Risk: Arbitrary code execution

Affected Systems and Versions

Product: Adobe Audition
Versions affected: <= 14.4

Exploitation Mechanism

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

Mitigation and Prevention

Adobe provides the following guidance to mitigate the CVE-2021-40740 vulnerability:

Immediate Steps to Take

Update Adobe Audition to the latest version
Avoid opening untrusted M4A files

Long-Term Security Practices

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

Patching and Updates

Adobe has released patches to address this vulnerability