RHEL 7 : ghostscript (RHSA-2019:0229)

Medium Nessus Plugin ID 121527

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for ghostscript is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es) :

* ghostscript: use-after-free in copydevice handling (699661) (CVE-2018-16540)

* ghostscript: access bypass in psi/zdevice2.c (700153) (CVE-2018-19475)

* ghostscript: access bypass in psi/zicc.c (700169) (CVE-2018-19476)

* ghostscript: access bypass in psi/zfjbig2.c (700168) (CVE-2018-19477)

* ghostscript: subroutines within pseudo-operators must themselves be pseudo-operators (700317) (CVE-2019-6116)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting CVE-2019-6116.

Bug Fix(es) :

* Previously, ghostscript-9.07-31.el7_6.1 introduced a regression during the standard input reading, causing a '/invalidfileaccess in
--run--' error. With this update, the regression has been fixed and the described error no longer occurs. (BZ#1665919)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2019:0229

https://access.redhat.com/security/cve/cve-2018-16540

https://access.redhat.com/security/cve/cve-2018-19475

https://access.redhat.com/security/cve/cve-2018-19476

https://access.redhat.com/security/cve/cve-2018-19477

https://access.redhat.com/security/cve/cve-2019-6116

Plugin Details

Severity: Medium

ID: 121527

File Name: redhat-RHSA-2019-0229.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/02/01

Updated: 2019/04/02

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:ghostscript, p-cpe:/a:redhat:enterprise_linux:ghostscript-cups, p-cpe:/a:redhat:enterprise_linux:ghostscript-debuginfo, p-cpe:/a:redhat:enterprise_linux:ghostscript-devel, p-cpe:/a:redhat:enterprise_linux:ghostscript-doc, p-cpe:/a:redhat:enterprise_linux:ghostscript-gtk, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2019/01/31

Vulnerability Publication Date: 2018/09/05

Reference Information

CVE: CVE-2018-16540, CVE-2018-19475, CVE-2018-19476, CVE-2018-19477, CVE-2019-6116

RHSA: 2019:0229