Improper input validation in Ghostscript - CVE-2018-15911
Published: August 29, 2018 / Updated: April 22, 2020
Vulnerability identifier: #VU14562
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-2018-15911
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
Ghostscript
Ghostscript
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the bypass of the -dSAFER option. A remote unauthenticated attacker can submit a specially crafted PostScript file, cause uninitialized memory access in the aesdecode operator and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2018-15911
Install update from vendor's website.