#VU16071 Security restrictions bypass in Ghostscript and GhostXPS - CVE-2018-19475

 

#VU16071 Security restrictions bypass in Ghostscript and GhostXPS - CVE-2018-19475

Published: November 27, 2018 / Updated: November 27, 2018


Vulnerability identifier: #VU16071
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-19475
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Ghostscript
GhostXPS
Software vendor:
Artifex Software, Inc.

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to the psi/zdevice2.c source code file fails to check available stack space. A remote unauthenticated attacker can trick the victim into accessing a PostScript file that submits malicious input to bypass the security access restrictions on the targeted system, which could be used to conduct further attacks.


Remediation

Update to version 9.26.

External links