CVE-2019-9778 : Security Advisory and Response
Learn about CVE-2019-9778, a vulnerability in GNU LibreDWG versions 0.7 and 0.7.1645 allowing a heap-based buffer over-read. Find out the impact, affected systems, exploitation details, and mitigation steps.
A problem has been found in versions 0.7 and 0.7.1645 of GNU LibreDWG, leading to a heap-based buffer over-read vulnerability.
Understanding CVE-2019-9778
What is CVE-2019-9778?
CVE-2019-9778 is a vulnerability in GNU LibreDWG versions 0.7 and 0.7.1645 that allows a heap-based buffer over-read within the dwg.spec file when executing the dwg_dxf_LTYPE function.
The Impact of CVE-2019-9778
This vulnerability could be exploited by an attacker to read sensitive information from the affected system's memory, potentially leading to a security breach.
Technical Details of CVE-2019-9778
Vulnerability Description
The issue in GNU LibreDWG 0.7 and 0.7.1645 results in a heap-based buffer over-read in the dwg_dxf_LTYPE function at dwg.spec.
Affected Systems and Versions
- Product: GNU LibreDWG
- Versions: 0.7, 0.7.1645
Exploitation Mechanism
The vulnerability allows an attacker to trigger a heap-based buffer over-read by manipulating the dwg.spec file during the execution of the dwg_dxf_LTYPE function.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by the vendor promptly.
- Monitor vendor advisories and security mailing lists for updates.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and audits to identify and address vulnerabilities.
Patching and Updates
Ensure that all systems running GNU LibreDWG are updated with the latest patches and security fixes.