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Vulnerability Details : CVE-2018-19134

In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type.
Publish Date : 2018-12-20 Last Update Date : 2019-01-11
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 704

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:3834: ghostscript security and bug fix update (Important) oval:com.redhat.rhsa:def:20183834 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-19134

# Product Type Vendor Product Version Update Edition Language
1 Application Artifex Ghostscript * * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Artifex Ghostscript 1
Debian Debian Linux 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2018-19134

https://bugs.ghostscript.com/show_bug.cgi?id=700141 CONFIRM
http://www.securityfocus.com/bid/106278
BID 106278 Ghostscript CVE-2018-19134 Remote Code Execution Vulnerability Release Date:2019-01-18
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=693baf02152119af6e6afd30bb8ec76d14f84bbf CONFIRM
https://www.ghostscript.com/doc/9.26/News.htm CONFIRM
https://access.redhat.com/errata/RHSA-2018:3834
REDHAT RHSA-2018:3834
https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
https://lists.debian.org/debian-lts-announce/2018/12/msg00019.html
MLIST [debian-lts-announce] 20181227 [SECURITY] [DLA 1620-1] ghostscript security update

- Metasploit Modules Related To CVE-2018-19134

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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