Improper input validation in Ghostscript - CVE-2018-15908

 

Improper input validation in Ghostscript - CVE-2018-15908

Published: August 30, 2018


Vulnerability identifier: #VU14565
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-15908
CWE-ID: CWE-20
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 bypass security restrictions 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, bypass .tempfile restrictions and write files on the targeted system.


How to mitigate CVE-2018-15908

Install update from vendor's website.

Sources