CVE-2021-28569 : Exploit Details and Defense Strategies

Adobe Media Encoder version 15.1 (and earlier) is affected by an Out-of-bounds Read vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Understanding CVE-2021-28569

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-28569.

What is CVE-2021-28569?

CVE-2021-28569 is an Out-of-bounds Read vulnerability in Adobe Media Encoder versions 15.1 and earlier. It allows an unauthenticated attacker to reveal sensitive memory information through a specially crafted file.

The Impact of CVE-2021-28569

The vulnerability's impact is rated as medium with a CVSS base score of 4.3. It requires user interaction for exploitation and could lead to the disclosure of confidential information.

Technical Details of CVE-2021-28569

This section delves into the specific details of the vulnerability.

Vulnerability Description

The vulnerability arises during the parsing of VOB files, where an out-of-bounds read operation occurs, leading to memory information exposure.

Affected Systems and Versions

Adobe Media Encoder versions 15.1 and earlier are impacted by this vulnerability.

Exploitation Mechanism

To exploit CVE-2021-28569, an attacker needs to entice a victim into opening a maliciously crafted file, triggering the out-of-bounds read operation.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-28569.

Immediate Steps to Take

Users are advised to update Adobe Media Encoder to a patched version to mitigate the vulnerability's risk and avoid opening files from untrusted sources.

Long-Term Security Practices

Implementing robust cybersecurity measures, such as network segmentation and user awareness training, can enhance overall security posture.

Patching and Updates

Stay informed about security updates and promptly apply patches released by Adobe to address known vulnerabilities.