CVE-2021-39817 : Vulnerability Insights and Analysis

Adobe Bridge version 11.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious Bridge file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Understanding CVE-2021-39817

Adobe Bridge Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution

What is CVE-2021-39817?

CVE-2021-39817 is a memory corruption vulnerability in Adobe Bridge version 11.1 and earlier, allowing the execution of arbitrary code through a malicious Bridge file with the need for user interaction.

The Impact of CVE-2021-39817

The vulnerability has the following impact:

CVSS Base Score: 7.8 (High)
Attack Vector: Local
Attack Complexity: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Scope: Unchanged

Technical Details of CVE-2021-39817

The technical details of the vulnerability are as follows:

Vulnerability Description

The vulnerability involves a memory corruption issue that could lead to arbitrary code execution.

Affected Systems and Versions

Affected Product: Adobe Bridge
Vendor: Adobe
Affected Versions:
Bridge version 11.1 and earlier (unspecified custom versions)

Exploitation Mechanism

The vulnerability requires a user to interact with a malicious Bridge file to trigger the arbitrary code execution.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2021-39817.

Immediate Steps to Take

Update Adobe Bridge to the latest version.
Avoid opening suspicious or unknown Bridge files.

Long-Term Security Practices

Conduct regular security trainings to educate users on identifying phishing attempts.
Implement email filtering to block malicious attachments.

Patching and Updates

Ensure timely installation of security patches and updates to address known vulnerabilities.