CVE-2018-6187 : Vulnerability Insights and Analysis
CVE-2018-6187 identifies a heap-based buffer overflow vulnerability in Artifex MuPDF 1.12.0, allowing remote attackers to trigger a denial of service via a crafted pdf file. Learn about the impact, affected systems, exploitation, and mitigation steps.
A heap-based buffer overflow vulnerability in Artifex MuPDF 1.12.0 could allow remote attackers to trigger a denial of service via a crafted pdf file.
Understanding CVE-2018-6187
What is CVE-2018-6187?
This CVE identifies a heap-based buffer overflow vulnerability in the do_pdf_save_document function within the pdf/pdf-write.c file of Artifex MuPDF 1.12.0.
The Impact of CVE-2018-6187
Exploiting this vulnerability could enable remote attackers to cause a denial of service by utilizing a specially crafted pdf file.
Technical Details of CVE-2018-6187
Vulnerability Description
The vulnerability exists in the do_pdf_save_document function in the pdf/pdf-write.c file of Artifex MuPDF 1.12.0, leading to a heap-based buffer overflow.
Affected Systems and Versions
- Product: Artifex MuPDF 1.12.0
- Vendor: Artifex
- Version: 1.12.0
Exploitation Mechanism
Remote attackers can exploit this vulnerability by using a specially crafted pdf file to trigger a denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patches provided by the vendor.
- Avoid opening pdf files from untrusted or unknown sources.
- Implement network security measures to detect and block malicious pdf files.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate potential risks.
Patching and Updates
Ensure that Artifex MuPDF is updated to the latest version to mitigate the vulnerability.