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Vulnerability Details : CVE-2018-17961

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.
Publish Date : 2018-10-15 Last Update Date : 2019-10-02
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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) Bypass a restriction or similar
CWE ID 209

- 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-2018-17961

# Product Type Vendor Product Version Update Edition Language
1 Application Artifex Ghostscript 9.00 Version Details Vulnerabilities
2 Application Artifex Ghostscript 9.01 Version Details Vulnerabilities
3 Application Artifex Ghostscript 9.02 Version Details Vulnerabilities
4 Application Artifex Ghostscript 9.04 Version Details Vulnerabilities
5 Application Artifex Ghostscript 9.05 Version Details Vulnerabilities
6 Application Artifex Ghostscript 9.06 Version Details Vulnerabilities
7 Application Artifex Ghostscript 9.07 Version Details Vulnerabilities
8 Application Artifex Ghostscript 9.09 Version Details Vulnerabilities
9 Application Artifex Ghostscript 9.10 Version Details Vulnerabilities
10 Application Artifex Ghostscript 9.14 Version Details Vulnerabilities
11 Application Artifex Ghostscript 9.15 Version Details Vulnerabilities
12 Application Artifex Ghostscript 9.16 Version Details Vulnerabilities
13 Application Artifex Ghostscript 9.18 Version Details Vulnerabilities
14 Application Artifex Ghostscript 9.19 Version Details Vulnerabilities
15 Application Artifex Ghostscript 9.20 Version Details Vulnerabilities
16 Application Artifex Ghostscript 9.21 Version Details Vulnerabilities
17 Application Artifex Ghostscript 9.22 Version Details Vulnerabilities
18 Application Artifex Ghostscript 9.23 Version Details Vulnerabilities
19 Application Artifex Ghostscript 9.24 Version Details Vulnerabilities
20 Application Artifex Ghostscript 8 64 Version Details Vulnerabilities
21 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
22 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
23 OS Canonical Ubuntu Linux 18.04 ~~lts~~~ Version Details Vulnerabilities
24 OS Canonical Ubuntu Linux 18.10 Version Details Vulnerabilities
25 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
26 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
27 OS Redhat Enterprise Linux Desktop 7.0 Version Details Vulnerabilities
28 OS Redhat Enterprise Linux Server 7.0 Version Details Vulnerabilities
29 OS Redhat Enterprise Linux Server Aus 7.6 Version Details Vulnerabilities
30 OS Redhat Enterprise Linux Server Eus 7.6 Version Details Vulnerabilities
31 OS Redhat Enterprise Linux Server Tus 7.6 Version Details Vulnerabilities
32 OS Redhat Enterprise Linux Workstation 7.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Artifex Ghostscript 20
Canonical Ubuntu Linux 4
Debian Debian Linux 2
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 Server Tus 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2018-17961

https://access.redhat.com/errata/RHSA-2018:3834
REDHAT RHSA-2018:3834
https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
MLIST [debian-lts-announce] 20181022 [SECURITY] [DLA 1552-1] ghostscript security update
https://usn.ubuntu.com/3803-1/
UBUNTU USN-3803-1
https://www.debian.org/security/2018/dsa-4336
DEBIAN DSA-4336
https://www.exploit-db.com/exploits/45573/
EXPLOIT-DB 45573
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a54c9e61e7d0 CONFIRM
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a5a9bf8c6a63 CONFIRM
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a6807394bd94 CONFIRM
https://bugs.ghostscript.com/show_bug.cgi?id=699816 CONFIRM
https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2
http://www.openwall.com/lists/oss-security/2018/10/09/4
MLIST [oss-security] 20181009 ghostscript: bypassing executeonly to escape -dSAFER sandbox (CVE-2018-17961)

- Metasploit Modules Related To CVE-2018-17961

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


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