CVE-2023-47076 Explained : Impact and Mitigation

Adobe InDesign versions 19.0 and 17.4.2 are affected by a NULL Pointer Dereference vulnerability, allowing an unauthenticated attacker to initiate an application denial-of-service attack. Learn more about the impact, technical details, and mitigation strategies below.

Understanding CVE-2023-47076

Adobe InDesign Desktop versions 19.0 (and earlier) and 17.4.2 (and earlier) are prone to a vulnerability that can be exploited by an attacker for a denial-of-service attack.

What is CVE-2023-47076?

Adobe InDesign versions 19.0 and 17.4.2 are affected by a NULL Pointer Dereference vulnerability. An unauthenticated attacker could use this flaw to cause a denial-of-service attack in the context of the current user.

The Impact of CVE-2023-47076

The vulnerability allows an unauthenticated attacker to trigger a denial-of-service attack through user interaction, where the victim opens a malicious file. With a CVSS base score of 5.5, the severity is rated as MEDIUM with high availability impact.

Technical Details of CVE-2023-47076

Vulnerability Description

The vulnerability in Adobe InDesign involves a NULL Pointer Dereference, which can be exploited to cause a denial-of-service attack.

Affected Systems and Versions

Adobe InDesign versions 19.0 and 17.4.2 are confirmed to be affected by this vulnerability.

Exploitation Mechanism

Exploitation of this vulnerability requires user interaction, where the victim must open a malicious file to trigger the NULL Pointer Dereference vulnerability.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-47076, users are advised to update Adobe InDesign to a secure version and exercise caution while opening files from unknown sources.

Long-Term Security Practices

Implementing security best practices such as regular software updates, user awareness training, and maintaining a robust security posture can help prevent potential exploitation of such vulnerabilities in the future.

Patching and Updates

Refer to the Adobe security advisory APSB23-70 for specific guidance on patching and updating Adobe InDesign to address the CVE-2023-47076 vulnerability.