CVE-2019-9776 Explained : Impact and Mitigation
Discover the impact of CVE-2019-9776, a vulnerability in GNU LibreDWG versions 0.7 and 0.7.1645, leading to a NULL pointer dereference. Learn about affected systems, exploitation, and mitigation steps.
A vulnerability has been identified in GNU LibreDWG versions 0.7 and 0.7.1645, leading to a NULL pointer dereference in the dwg_dxf_LTYPE function in dwg.spec. This vulnerability was discovered after CVE-2019-9779.
Understanding CVE-2019-9776
This CVE entry pertains to a specific vulnerability found in GNU LibreDWG versions 0.7 and 0.7.1645.
What is CVE-2019-9776?
CVE-2019-9776 is a vulnerability in GNU LibreDWG that allows for a NULL pointer dereference in the dwg_dxf_LTYPE function in dwg.spec.
The Impact of CVE-2019-9776
The vulnerability can potentially lead to a denial of service (DoS) condition or other security issues due to the NULL pointer dereference.
Technical Details of CVE-2019-9776
This section provides more technical insights into the CVE-2019-9776 vulnerability.
Vulnerability Description
The issue arises in GNU LibreDWG versions 0.7 and 0.7.1645, specifically in the dwg_dxf_LTYPE function within dwg.spec, resulting in a NULL pointer dereference.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: 0.7 and 0.7.1645
Exploitation Mechanism
The vulnerability can be exploited by triggering the NULL pointer dereference in the dwg_dxf_LTYPE function.
Mitigation and Prevention
To address CVE-2019-9776, follow these mitigation strategies:
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Monitor vendor communications for security advisories.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and audits periodically.
Patching and Updates
Ensure that you apply the necessary patches and updates provided by GNU LibreDWG to mitigate the vulnerability.