CVE-2018-17961 Information

Description

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.

CVSS Vector

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

Reference

http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a54c9e61e7d0 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a5a9bf8c6a63 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a6807394bd94 http://www.openwall.com/lists/oss-security/2018/10/09/4 https://access.redhat.com/errata/RHSA-2018:3834 https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2 https://bugs.ghostscript.com/show_bug.cgi?id=699816 https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html https://usn.ubuntu.com/3803-1/ https://www.debian.org/security/2018/dsa-4336 https://www.exploit-db.com/exploits/45573/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.6