CVE-2018-18073 Information

Description

Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Reference

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=34cc326eb2c5695833361887fe0b32e8d987741c http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.html http://www.openwall.com/lists/oss-security/2018/10/10/12 https://access.redhat.com/errata/RHSA-2018:3834 https://bugs.chromium.org/p/project-zero/issues/detail?id=1690 https://bugs.ghostscript.com/show_bug.cgi?id=699927 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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.3