CVE-2021-39597 : Vulnerability Insights and Analysis

This CVE report covers a vulnerability in swftools that allows an attacker to cause Denial of Service through a NULL pointer dereference in the code_dump2() function in code.c.

Understanding CVE-2021-39597

This section delves into the key aspects of the CVE-2021-39597 vulnerability.

What is CVE-2021-39597?

CVE-2021-39597 is a vulnerability discovered in swftools up to version 20200710, leading to a NULL pointer dereference in the code_dump2() function, enabling a Denial of Service attack.

The Impact of CVE-2021-39597

The vulnerability allows an attacker to exploit a NULL pointer dereference, resulting in a Denial of Service, impacting the availability of the affected system.

Technical Details of CVE-2021-39597

This section provides in-depth technical details regarding the CVE-2021-39597 vulnerability.

Vulnerability Description

An issue in swftools up to 20200710 allows a NULL pointer dereference in the code_dump2() function, leading to a Denial of Service attack.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: n/a

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a NULL pointer dereference, resulting in a Denial of Service attack.

Mitigation and Prevention

Learn how to mitigate the risks posed by CVE-2021-39597.

Immediate Steps to Take

Update swftools to the latest version.
Implement proper input validation to prevent NULL pointer dereference.

Long-Term Security Practices

Regularly monitor for security updates and patches.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security patches and updates for swftools to protect against CVE-2021-39597.