CVE-2017-7948 : Security Advisory and Response
Learn about CVE-2017-7948, a vulnerability in Artifex Ghostscript 9.21 that allows for a denial of service attack through an integer overflow in the mark_curve function. Find out how to mitigate and prevent exploitation.
Artifex Ghostscript 9.21 has been found to have an integer overflow vulnerability in the mark_curve function, potentially leading to a denial of service attack. Attackers can exploit this issue using a crafted PostScript document.
Understanding CVE-2017-7948
A vulnerability in Artifex Ghostscript 9.21 that allows for a denial of service attack.
What is CVE-2017-7948?
The vulnerability in the mark_curve function of Artifex Ghostscript 9.21 that can be exploited through a specially crafted PostScript document.
The Impact of CVE-2017-7948
- The vulnerability may result in a denial of service through an out-of-bounds write and application crash.
- Attackers could potentially cause other unspecified impacts by exploiting this issue.
Technical Details of CVE-2017-7948
Details about the vulnerability in Artifex Ghostscript 9.21.
Vulnerability Description
The vulnerability is due to an integer overflow in the mark_curve function.
Affected Systems and Versions
- Product: Artifex Ghostscript 9.21
- Vendor: Artifex
- Version: 9.21
Exploitation Mechanism
- Attackers can exploit the vulnerability by using a specifically crafted PostScript document.
Mitigation and Prevention
Ways to mitigate and prevent the exploitation of CVE-2017-7948.
Immediate Steps to Take
- Apply security patches provided by the vendor.
- Avoid opening untrusted PostScript documents.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement proper security measures to prevent unauthorized access.
Patching and Updates
- Keep Artifex Ghostscript up to date with the latest security patches.