Scientific Linux Security Update : ghostscript on SL7.x x86_64 (20181217)

critical Nessus Plugin ID 119883
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

- ghostscript: Incorrect free logic in pagedevice replacement (699664) (CVE-2018-16541)

- ghostscript: Incorrect 'restoration of privilege' checking when running out of stack during exception handling (CVE-2018-16802)

- ghostscript: User-writable error exception table (CVE-2018-17183)

- ghostscript: Saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183) (CVE-2018-17961)

- ghostscript: Saved execution stacks can leak operator arrays (CVE-2018-18073)

- ghostscript: 1Policy operator allows a sandbox protection bypass (CVE-2018-18284)

- ghostscript: Type confusion in setpattern (700141) (CVE-2018-19134)

- ghostscript: Improperly implemented security check in zsetdevice function in psi/zdevice.c (CVE-2018-19409)

- ghostscript: Uninitialized memory access in the aesdecode operator (699665) (CVE-2018-15911)

Bug Fix(es) :

- It has been found that ghostscript-9.07-31.el7_6.1 introduced regression during the handling of shading objects, causing a 'Dropping incorrect smooth shading object' warning. With this update, the regression has been fixed and the described problem no longer occurs.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?f8823a33

Plugin Details

Severity: Critical

ID: 119883

File Name: sl_20181217_ghostscript_on_SL7_x.nasl

Version: 1.8

Type: local

Agent: unix

Published: 12/27/2018

Updated: 8/21/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:ghostscript, p-cpe:/a:fermilab:scientific_linux:ghostscript-cups, p-cpe:/a:fermilab:scientific_linux:ghostscript-debuginfo, p-cpe:/a:fermilab:scientific_linux:ghostscript-devel, p-cpe:/a:fermilab:scientific_linux:ghostscript-doc, p-cpe:/a:fermilab:scientific_linux:ghostscript-gtk, x-cpe:/o:fermilab:scientific_linux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/17/2018

Vulnerability Publication Date: 8/28/2018

Reference Information

CVE: CVE-2018-15911, CVE-2018-16541, CVE-2018-16802, CVE-2018-17183, CVE-2018-17961, CVE-2018-18073, CVE-2018-18284, CVE-2018-19134, CVE-2018-19409

IAVB: 2019-B-0081-S