CVE-2019-6130 : What You Need to Know
Learn about CVE-2019-6130 affecting Artifex MuPDF 1.14.0, its impact, technical details, and mitigation steps. Stay secure by applying the latest updates and following security best practices.
Artifex MuPDF 1.14.0 has a SEGV vulnerability in the fz_load_page function, affecting various files. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2019-6130
What is CVE-2019-6130?
The SEGV issue in Artifex MuPDF 1.14.0 occurs in the fz_load_page function implemented in the fitz/document.c file. The vulnerability has been demonstrated using the mutool program, with the root cause being mishandling of page numbers in specific files.
The Impact of CVE-2019-6130
This vulnerability can lead to a denial of service (DoS) condition or potentially arbitrary code execution by an attacker exploiting the mishandling of page numbers within the mentioned files.
Technical Details of CVE-2019-6130
Vulnerability Description
The SEGV vulnerability in Artifex MuPDF 1.14.0 is due to improper handling of page numbers in the cbz/mucbz.c, cbz/muimg.c, and svg/svg-doc.c files, specifically within the fz_load_page function.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 1.14.0
Exploitation Mechanism
The vulnerability can be exploited using the mutool program, demonstrating the mishandling of page numbers within the mentioned files.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by the vendor.
- Consider restricting access to vulnerable components.
- Monitor for any unusual activities on the system.
Long-Term Security Practices
- Regularly update software and firmware to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
Patching and Updates
Ensure that the Artifex MuPDF software is updated to the latest version to mitigate the SEGV vulnerability.