CVE-2019-20012 : Vulnerability Insights and Analysis

A vulnerability was found in GNU LibreDWG version 0.92 that could lead to excessive memory allocation when manipulating input data.

Understanding CVE-2019-20012

This CVE entry describes a specific vulnerability in GNU LibreDWG version 0.92.

What is CVE-2019-20012?

CVE-2019-20012 is a vulnerability in GNU LibreDWG version 0.92 that occurs when manipulating input data, triggering an attempt to allocate an excessive amount of memory in the dwg_decode_HATCH_private function within the dwg.spec file.

The Impact of CVE-2019-20012

The vulnerability could be exploited by an attacker to cause a denial of service (DoS) condition by consuming excessive system resources.

Technical Details of CVE-2019-20012

This section provides more technical insights into the CVE-2019-20012 vulnerability.

Vulnerability Description

Crafted input data in GNU LibreDWG version 0.92 can lead to an attempted excessive memory allocation in the dwg_decode_HATCH_private function within the dwg.spec file.

Affected Systems and Versions

Affected Version: 0.92
Systems running GNU LibreDWG version 0.92 are vulnerable to this issue.

Exploitation Mechanism

The vulnerability is triggered by manipulating input data, causing the dwg_decode_HATCH_private function to attempt excessive memory allocation.

Mitigation and Prevention

Protecting systems from CVE-2019-20012 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches provided by the vendor to mitigate the vulnerability.
Monitor vendor advisories and security mailing lists for updates.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement input validation mechanisms to prevent crafted input exploitation.

Patching and Updates

Ensure that the latest patches and updates for GNU LibreDWG are applied promptly to address this vulnerability.