CVE-2018-16863 Information

Description

It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to for example execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.

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=520bb0ea7519 http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33 http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486 https://access.redhat.com/errata/RHSA-2018:3761 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16863

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