CVE-2021-39527 : Vulnerability Insights and Analysis

This CVE record details a security vulnerability in libredwg through v0.10.1.3751 that involves a heap-based buffer overflow.

Understanding CVE-2021-39527

This section provides insights into the impact and technical details of the CVE.

What is CVE-2021-39527?

CVE-2021-39527 is an issue discovered in libredwg through v0.10.1.3751, specifically in the appinfo_private() function in decode.c, leading to a heap-based buffer overflow.

The Impact of CVE-2021-39527

The vulnerability allows attackers to potentially execute arbitrary code or cause a denial of service by overflowing the heap-based buffer.

Technical Details of CVE-2021-39527

This section focuses on the technical aspects of the CVE.

Vulnerability Description

The issue involves a heap-based buffer overflow in the appinfo_private() function of libredwg through v0.10.1.3751.

Affected Systems and Versions

Affected Systems: Not specified
Affected Versions: Up to v0.10.1.3751

Exploitation Mechanism

The vulnerability can be exploited by supplying crafted input to trigger the buffer overflow.

Mitigation and Prevention

Explore the steps to mitigate the risks associated with CVE-2021-39527.

Immediate Steps to Take

Patch or update libredwg to the latest version that addresses the buffer overflow.
Implement proper input validation mechanisms to prevent buffer overflows.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and remediate vulnerabilities.
Stay informed about security updates and subscribe to relevant security mailing lists.

Patching and Updates

Regularly check for security patches and updates for libredwg to address vulnerabilities promptly.