CVE-2018-16540 : What You Need to Know
Discover the impact of CVE-2018-16540, a vulnerability in Artifex Ghostscript before version 9.24 allowing attackers to exploit the built-in PDF14 converter through manipulated PostScript files.
Artifex Ghostscript before version 9.24 was vulnerable to exploitation through manipulated PostScript files, leading to potential crashes or other consequences.
Understanding CVE-2018-16540
Before version 9.24 of Artifex Ghostscript, attackers could exploit a vulnerability in the built-in PDF14 converter by providing manipulated PostScript files.
What is CVE-2018-16540?
This CVE describes a use-after-free issue in the copydevice handling of Artifex Ghostscript, allowing attackers to crash the interpreter or cause other undefined consequences.
The Impact of CVE-2018-16540
The vulnerability could lead to crashing the interpreter or potentially causing other undefined consequences.
Technical Details of CVE-2018-16540
Artifex Ghostscript before version 9.24 was susceptible to a use-after-free issue in the copydevice handling.
Vulnerability Description
Attackers could exploit a vulnerability in the built-in PDF14 converter by providing manipulated PostScript files.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability stemmed from a use-after-free issue in the copydevice handling.
Mitigation and Prevention
To address CVE-2018-16540, consider the following steps:
Immediate Steps to Take
- Update Artifex Ghostscript to version 9.24 or newer.
- Avoid opening untrusted PostScript files.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement proper input validation mechanisms.
Patching and Updates
Ensure timely installation of security patches and updates.