CVE-2021-43757 : Vulnerability Insights and Analysis

Adobe Media Encoder versions 22.0, 15.4.2, and earlier are affected by an out-of-bounds read vulnerability that could lead to the disclosure of sensitive memory. This vulnerability could be exploited by an attacker leveraging a malicious 3GP file.

Understanding CVE-2021-43757

Adobe Media Encoder is impacted by a critical security flaw that can lead to the execution of remote code by an attacker.

What is CVE-2021-43757?

CVE-2021-43757 is an out-of-bounds read vulnerability in Adobe Media Encoder, allowing attackers to access sensitive information by exploiting a malicious 3GP file.

The Impact of CVE-2021-43757

The vulnerability poses a high risk with a CVSS base score of 7.8, affecting confidentiality, integrity, and availability of systems utilizing the vulnerable versions of Adobe Media Encoder.

Technical Details of CVE-2021-43757

Adobe Media Encoder's vulnerability to out-of-bounds read attacks involves the following technical aspects:

Vulnerability Description

The vulnerability allows attackers to read sensitive memory through a crafted 3GP file.

Affected Systems and Versions

Adobe Media Encoder versions 22.0, 15.4.2, and prior are vulnerable to this exploit.

Exploitation Mechanism

Attack complexity is low, with local attack vector and high impact on confidentiality and integrity. The execution of malicious code requires user interaction by opening a compromised 3GP file.

Mitigation and Prevention

To protect systems from CVE-2021-43757, follow these mitigation strategies:

Immediate Steps to Take

Update Adobe Media Encoder to the latest version to patch the vulnerability.
Avoid opening untrusted 3GP files to prevent exploitation.

Long-Term Security Practices

Conduct regular security assessments and vulnerability scans on software.
Educate users on safe file handling practices and cybersecurity awareness.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.