Use-after-free in Ghostscript - CVE-2018-16540

 

Use-after-free in Ghostscript - CVE-2018-16540

Published: September 9, 2018


Vulnerability identifier: #VU14734
CSH Severity: High
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:Amber
CVE-ID: CVE-2018-16540
CWE-ID: CWE-416
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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error in copydevice handling. A remote attacker can supply specially crafted PostScript files to the builtin PDF14 converter and crash the application or execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2018-16540

Install update from vendor's website.

Sources