CVE-2021-42729 : Exploit Details and Defense Strategies

Adobe Bridge version 11.1.1 and earlier is impacted by a memory corruption vulnerability that could lead to arbitrary code execution.

Understanding CVE-2021-42729

Adobe Bridge software is prone to a memory corruption vulnerability that could allow an attacker to execute arbitrary code through a malicious WAV file, posing a severe threat to system security.

What is CVE-2021-42729?

The vulnerability in Adobe Bridge, specifically in versions 11.1.1 and earlier, arises due to insecure handling of malicious WAV files. Successful exploitation of this flaw could enable an attacker to execute arbitrary code within the context of the current user, requiring user interaction.

The Impact of CVE-2021-42729

The impact of this vulnerability is significant:

Base Score: 7.8 (High)
Severity: High
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
User Interaction: Required
Scope: Unchanged
Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Technical Details of CVE-2021-42729

Adobe Bridge CVE-2021-42729 involves the following technical aspects:

Vulnerability Description

The vulnerability stems from a memory corruption issue, allowing an attacker to achieve arbitrary code execution.

Affected Systems and Versions

Affected Product: Adobe Bridge
Vendor: Adobe
Affected Versions:
Version 11.1.1 and earlier

Exploitation Mechanism

The vulnerability is exploited by manipulating a malicious WAV file, leveraging the insecure handling of this file type.

Mitigation and Prevention

To address CVE-2021-42729, consider the following steps:

Immediate Steps to Take

Update Adobe Bridge to a secure version.
Exercise caution when interacting with untrusted WAV files.

Long-Term Security Practices

Regularly update software and security patches.
Employ security software to detect and prevent malicious activities.

Patching and Updates

Ensure that Adobe Bridge is regularly patched and updated to mitigate the risk of exploitation.