CVE-2018-19475 Information

Description

psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=3005fcb9bb160af199e761e03bc70a9f249a987e http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=aeea342904978c9fe17d85f4906a0f6fcce2d315 http://www.securityfocus.com/bid/106154 https://access.redhat.com/errata/RHBA-2019:0327 https://access.redhat.com/errata/RHSA-2019:0229 https://bugs.ghostscript.com/show_bug.cgi?id=700153 https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf https://usn.ubuntu.com/3831-1/ https://www.debian.org/security/2018/dsa-4346 https://www.ghostscript.com/doc/9.26/History9.htmVersion9.26

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8