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Vulnerability Details : CVE-2017-8291

Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile (%pipe%" substring in a crafted .eps document that is an input to the gs program, as exploited in the wild in April 2017.
Publish Date : 2017-04-26 Last Update Date : 2018-01-04
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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 CodeBypass a restriction or similar
CWE ID 704

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:1230: ghostscript security update (Important) oval:com.redhat.rhsa:def:20171230 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-2017-8291

# Product Type Vendor Product Version Update Edition Language
1 Application Artifex Ghostscript 9.21 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Artifex Ghostscript 1

- References For CVE-2017-8291

https://www.exploit-db.com/exploits/41955/
EXPLOIT-DB 41955
https://bugzilla.suse.com/show_bug.cgi?id=1036453
http://openwall.com/lists/oss-security/2017/04/28/2
http://www.debian.org/security/2017/dsa-3838
DEBIAN DSA-3838
https://security.gentoo.org/glsa/201708-06
GENTOO GLSA-201708-06
https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=04b37bbce174eed24edec7ad5b920eb93db4d47d CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1446063
https://access.redhat.com/errata/RHSA-2017:1230
REDHAT RHSA-2017:1230
https://bugs.ghostscript.com/show_bug.cgi?id=697808
http://www.securityfocus.com/bid/98476
BID 98476 Ghostscript CVE-2017-8291 Multiple Remote Code Execution Vulnerabilities Release Date:2017-08-21

- Metasploit Modules Related To CVE-2017-8291

Ghostscript Type Confusion Arbitrary Command Execution
This module exploits a type confusion vulnerability in Ghostscript that can be exploited to obtain arbitrary command execution. This vulnerability affects Ghostscript versions 9.21 and earlier and can be exploited through libraries such as ImageMagick and Pillow.
Module type : exploit Rank : excellent Platforms : Unix


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