CVE-2021-43760 : What You Need to Know

Adobe Media Encoder versions are affected by an out-of-bounds read vulnerability that could lead to the disclosure of sensitive memory.

Understanding CVE-2021-43760

What is CVE-2021-43760?

Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are vulnerable to an out-of-bounds read issue that could allow an attacker to reveal sensitive memory, potentially circumventing security measures like ASLR. Exploiting this vulnerability requires user interaction through the opening of a malicious MOV file.

The Impact of CVE-2021-43760

This vulnerability could lead to the disclosure of sensitive information stored in memory. If exploited, an attacker may bypass security defenses, risking the confidentiality of data.

Technical Details of CVE-2021-43760

Vulnerability Description

The vulnerability involves an out-of-bounds read in Adobe Media Encoder, presenting a risk of information disclosure. Attackers could exploit this to access sensitive data.

Affected Systems and Versions

Adobe Media Encoder versions 22.0, 15.4.2 (and earlier)

Exploitation Mechanism

Attackers leverage this vulnerability by tricking users into opening a malicious MOV file, triggering the out-of-bounds read.

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Media Encoder to a non-vulnerable version.
Avoid opening suspicious MOV files.

Long-Term Security Practices

Educate users about the risks of opening files from unknown sources.
Implement security measures to prevent unauthorized access to sensitive memory.

Patching and Updates

Adobe has released updates to address this vulnerability. Ensure your software is up to date to mitigate the risk.