CVE-2021-43015 : What You Need to Know

Adobe InCopy version 16.4 and earlier is affected by a memory corruption vulnerability due to insecure handling of a malicious GIF file, potentially leading to arbitrary code execution.

Understanding CVE-2021-43015

Adobe InCopy GIF File Parsing Memory Corruption Arbitrary Code Execution

What is CVE-2021-43015?

CVE-2021-43015 is a memory corruption vulnerability in Adobe InCopy versions <=16.4, allowing arbitrary code execution by exploiting a specially crafted GIF file.

The Impact of CVE-2021-43015

CVSS Base Score: 7.8 (High)
Attack Vector: Local
User Interaction: Required
High impact on Confidentiality, Integrity, and Availability

Technical Details of CVE-2021-43015

Adobe InCopy version 16.4 is prone to the following:

Vulnerability Description

The vulnerability arises from insecure handling of malicious GIF files.
Affects the current user's context, necessitating user interaction via opening a crafted file.

Affected Systems and Versions

Product: Adobe InCopy
Vendor: Adobe
Versions affected: <=16.4, None (unspecified)

Exploitation Mechanism

Exploitation involves presenting a victim with a specially crafted GIF file, compelling the user to open it.

Mitigation and Prevention

Efficient mitigation strategies to combat CVE-2021-43015 include:

Immediate Steps to Take

Update Adobe InCopy to the latest version.
Educate users about the risks of opening files from untrusted sources.

Long-Term Security Practices

Regular security training for employees on safe computing practices.
Implement strong file integrity checking mechanisms.

Patching and Updates

Apply security patches promptly to prevent exploitation of known vulnerabilities.