CVE-2021-39816 Explained : Impact and Mitigation

Adobe Bridge version 11.1 is affected by a memory corruption vulnerability that could lead to arbitrary code execution with high severity.

Understanding CVE-2021-39816

Adobe Bridge has a vulnerability that allows attackers to execute arbitrary code by manipulating a malicious Bridge file, requiring user interaction.

What is CVE-2021-39816?

Identified as a memory corruption vulnerability in Adobe Bridge version 11.1 and earlier
Attackers can exploit it to execute arbitrary code in the user's context
Requires user interaction to trigger the vulnerability

The Impact of CVE-2021-39816

CVSS Base Score: 7.8 (High Severity)
Attack Complexity: Low
Attack Vector: Local
Impact on Availability, Confidentiality, and Integrity: High
User Interaction Required: Yes

Technical Details of CVE-2021-39816

Adobe Bridge's vulnerability involves memory corruption, potentially leading to arbitrary code execution.

Vulnerability Description

Vulnerability Type: Access of Memory Location After End of Buffer (CWE-788)
Due to insecure handling of malicious Bridge files

Affected Systems and Versions

Product: Adobe Bridge
Vendor: Adobe
Affected Versions: <= 11.1, <= None

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating specially crafted Bridge files
Potential outcome: Arbitrary code execution in the user's context

Mitigation and Prevention

Immediate Steps to Take:

Update Adobe Bridge to the latest patched version
Be cautious when opening Bridge files from untrusted sources

Long-Term Security Practices:

Regularly update software to mitigate known vulnerabilities
Educate users on safe browsing habits and file handling
Employ endpoint protection solutions to detect and prevent exploit attempts
Monitor for unusual behavior indicating a potential exploit
Perform regular security assessments and audits

Patching and Updates:

Adobe has released patches to address this vulnerability
Ensure timely installation of security updates from Adobe