CVE-2018-6192 : Vulnerability Insights and Analysis
Learn about CVE-2018-6192 affecting Artifex MuPDF 1.12.0. This vulnerability allows remote attackers to trigger a denial of service via a specially crafted PDF file, causing a segmentation violation and application crash.
Artifex MuPDF 1.12.0 is susceptible to a remote attack leading to denial of service. The vulnerability in the pdf_read_new_xref function can cause a segmentation violation and application crash when processing a maliciously crafted PDF file.
Understanding CVE-2018-6192
This CVE entry highlights a vulnerability in Artifex MuPDF 1.12.0 that can be exploited remotely to trigger a denial of service attack.
What is CVE-2018-6192?
The pdf_read_new_xref function in Artifex MuPDF 1.12.0 is vulnerable to a remote attack that can cause a denial of service. This attack can result in a segmentation violation and crash of the application. The vulnerability is triggered by a specially crafted PDF file.
The Impact of CVE-2018-6192
The vulnerability allows remote attackers to exploit the pdf_read_new_xref function, leading to a denial of service by causing a segmentation violation and application crash.
Technical Details of CVE-2018-6192
Artifex MuPDF 1.12.0 is affected by a vulnerability that can be exploited remotely to cause a denial of service.
Vulnerability Description
The pdf_read_new_xref function in Artifex MuPDF 1.12.0 allows remote attackers to cause a denial of service (segmentation violation and application crash) via a crafted PDF file.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 1.12.0
Exploitation Mechanism
The vulnerability is exploited by sending a specially crafted PDF file to the target system, triggering a segmentation violation and leading to a crash of the application.
Mitigation and Prevention
To address CVE-2018-6192 and enhance overall security:
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid opening PDF files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement network security measures to detect and prevent malicious PDF files.
Patching and Updates
- Check for updates and patches from the official vendor sources.
- Ensure timely installation of security updates to mitigate the risk of exploitation.