CVE-2020-6612 : Vulnerability Insights and Analysis
Learn about CVE-2020-6612, a vulnerability in GNU LibreDWG 0.9.3.2564 that allows for a heap-based buffer over-read, potentially leading to sensitive data exposure. Find mitigation steps and preventive measures here.
GNU LibreDWG 0.9.3.2564 has a heap-based buffer over-read vulnerability in copy_compressed_bytes in decode_r2007.c.
Understanding CVE-2020-6612
What is CVE-2020-6612?
CVE-2020-6612 is a vulnerability found in GNU LibreDWG 0.9.3.2564 that allows for a heap-based buffer over-read in the decode_r2007.c file's copy_compressed_bytes function.
The Impact of CVE-2020-6612
This vulnerability could potentially be exploited by an attacker to read sensitive information from the affected system's memory, leading to a breach of confidentiality.
Technical Details of CVE-2020-6612
Vulnerability Description
The vulnerability exists in the copy_compressed_bytes function in decode_r2007.c in GNU LibreDWG 0.9.3.2564, resulting in a heap-based buffer over-read.
Affected Systems and Versions
- Product: GNU LibreDWG
- Version: 0.9.3.2564
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker to trigger the heap-based buffer over-read, potentially leading to the exposure of sensitive data.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by the vendor promptly.
- Monitor security advisories for any updates or workarounds.
Long-Term Security Practices
- Regularly update software and systems to mitigate known vulnerabilities.
- Implement network security measures to prevent unauthorized access.
Patching and Updates
Ensure that the affected GNU LibreDWG version is updated to a patched version to eliminate the heap-based buffer over-read vulnerability.