Command Injection in Ghostscript - CVE-2019-6116

 

Command Injection in Ghostscript - CVE-2019-6116

Published: January 27, 2019


Vulnerability identifier: #VU17230
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-6116
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
Ghostscript

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to leak of sensitive operators on the operand stack when a pseudo-operator pushes a subroutine. A remote unauthenticated attacker can supply a specially crafted PostScript file to escape the -dSAFER protection, gain access to the file system and execute arbitrary commands.


How to mitigate CVE-2019-6116

Update to version 9.26.

Sources