Type confusion in Ghostscript - CVE-2018-16511

 

Type confusion in Ghostscript - CVE-2018-16511

Published: September 7, 2018


Vulnerability identifier: #VU14688
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2018-16511
CWE-ID: CWE-843
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 cause DoS condition or execute arbitrary code on the target system.

The vulnerability exists due to a type confusion condition in the ztype code. A remote unauthenticated attacker can trick the victim into opening a specially crafted PostScript file that submits malicious input and cause the affected software to crash or execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-16511

Update to version 9.24.

Sources