CVE-2018-16863

HIGH

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.

References

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

Details

Source: MITRE

Published: 2018-12-03

Updated: 2019-02-05

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH