SB2018120409 - Red Hat update for Artifex Ghostscript
Published: December 4, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) OS command injection (CVE-ID: CVE-2018-16509)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to /invalidaccess checks can be bypassed after a restore failure. A remote unauthenticated attacker can trick the victim into opening a specially crafted PostScript file that submits malicious input and execute arbitrary shell commands.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: original fix for this vulnerability was incomplete in version 9.24. Vendor has issued another patch.
Remediation
Install update from vendor's website.