CVE-2019-9775 : What You Need to Know

A problem has been found in versions 0.7 and 0.7.1645 of GNU LibreDWG. The function dwg_dxf_BLOCK_CONTROL in the dwg.spec file experiences an out-of-bounds read.

Understanding CVE-2019-9775

This CVE involves an out-of-bounds read vulnerability in GNU LibreDWG versions 0.7 and 0.7.1645.

What is CVE-2019-9775?

CVE-2019-9775 is a security vulnerability found in GNU LibreDWG versions 0.7 and 0.7.1645, specifically in the dwg_dxf_BLOCK_CONTROL function within the dwg.spec file. This flaw allows for an out-of-bounds read, potentially leading to security breaches.

The Impact of CVE-2019-9775

The vulnerability in CVE-2019-9775 could be exploited by malicious actors to read sensitive information from memory, leading to potential data leaks or unauthorized access to system resources.

Technical Details of CVE-2019-9775

This section provides more in-depth technical details about the CVE.

Vulnerability Description

The issue in GNU LibreDWG 0.7 and 0.7.1645 involves an out-of-bounds read in the dwg_dxf_BLOCK_CONTROL function within the dwg.spec file.

Affected Systems and Versions

Affected Versions: 0.7, 0.7.1645
Systems: GNU LibreDWG

Exploitation Mechanism

The vulnerability can be exploited by triggering the out-of-bounds read in the dwg_dxf_BLOCK_CONTROL function, allowing attackers to access unauthorized information.

Mitigation and Prevention

Protecting systems from CVE-2019-9775 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches provided by the vendor to address the vulnerability.
Monitor security advisories for updates and apply them promptly.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement access controls and least privilege principles to limit potential damage from security breaches.

Patching and Updates

Check for patches and updates from GNU LibreDWG to fix the out-of-bounds read vulnerability.