Main Vulnerability Database Vulnerabilities #VU16577

#VU16577 Type confusion in Ghostscript - CVE-2018-19134

Published: December 18, 2018

Vulnerability identifier: #VU16577

Vulnerability risk: High

CVSSv4.0: 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:P/U:Amber

CVE-ID: CVE-2018-19134

CWE-ID: CWE-843

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Ghostscript

Software vendor:
Artifex Software, Inc.

Description

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

The vulnerability exists due to missing type check in line 292 of zcolor.c. A remote unauthenticated attacker can trigger memory corruption and execute code using the "pipe" instruction.

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

Remediation

Install update from vendor's website.

External links

http://git.ghostscript.com/?p=ghostpdl.git;a=blob;f=psi/zcolor.c;h=74b428801eda5c75d70cf55e88c407484b554527;hb=5a4fec2a34af925993192e197ab666fe542b79d3#l292