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Vulnerability Details : CVE-2018-18073

Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.
Publish Date : 2018-10-15 Last Update Date : 2020-10-22
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
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 similarObtain Information
CWE ID 200

- 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-2018-18073

# Product Type Vendor Product Version Update Edition Language
1 Application Artifex Ghostscript * * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 18.10 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
7 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Artifex Ghostscript 1
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-2018-18073

https://bugs.chromium.org/p/project-zero/issues/detail?id=1690
https://bugs.ghostscript.com/show_bug.cgi?id=699927 CONFIRM
https://access.redhat.com/errata/RHSA-2018:3834
REDHAT RHSA-2018:3834
https://www.debian.org/security/2018/dsa-4336
DEBIAN DSA-4336
https://usn.ubuntu.com/3803-1/
UBUNTU USN-3803-1
http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.html
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=34cc326eb2c5695833361887fe0b32e8d987741c CONFIRM
https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
MLIST [debian-lts-announce] 20181022 [SECURITY] [DLA 1552-1] ghostscript security update
http://www.openwall.com/lists/oss-security/2018/10/10/12
MLIST [oss-security] 20181010 ghostscript: saved execution stacks can leak operator arrays (CVE-2018-18073)

- Metasploit Modules Related To CVE-2018-18073

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


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