OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285) - Nessus

High Plugin ID: 119484

This page contains detailed information about the OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 119484
Name: OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285)
Filename: oraclevm_OVMSA-2018-0285.nasl
Vulnerability Published: 2017-04-27
This Plugin Published: 2018-12-07
Last Modification Time: 2019-09-27
Plugin Version: 1.3
Plugin Type: local
Plugin Family: OracleVM Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/local_checks_enabled, Host/OracleVM/release, Host/OracleVM/rpm-list

Vulnerability Information

Severity: High
Vulnerability Published: 2017-04-27
Patch Published: 2018-12-06
CVE [?]: CVE-2017-8291, CVE-2018-16509
CPE [?]: cpe:/o:oracle:vm_server:3.3, cpe:/o:oracle:vm_server:3.4, p-cpe:/a:oracle:vm:ghostscript
Exploited by Malware: True

Synopsis

The remote OracleVM host is missing a security update.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

- It was found that the fix for CVE-2018-16509 was not complete, the missing pieces added into ghostscript-CVE-2018-16509.patch

- Resolves: #1641124 - CVE-2018-16509 ghostscript: /invalidaccess bypass after failed restore

- Added security fix for CVE-2017-8291 (bug #1446063)

Solution

Update the affected ghostscript package.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285) vulnerability:

Metasploit: exploit/multi/fileformat/ghostscript_failed_restore
[Ghostscript Failed Restore Command Execution]
Metasploit: exploit/unix/fileformat/ghostscript_type_confusion
[Ghostscript Type Confusion Arbitrary Command Execution]
Exploit-DB: exploits/linux/local/41955.rb
[EDB-41955: Ghostscript 9.21 - Type Confusion Arbitrary Command Execution (Metasploit)]
Exploit-DB: exploits/linux/local/45369.rb
[EDB-45369: Ghostscript - Failed Restore Command Execution (Metasploit)]
GitHub: https://github.com/NCSU-DANCE-Research-Group/CDL
[CVE-2017-8291]
GitHub: https://github.com/barrracud4/image-upload-exploits
[CVE-2017-8291]
GitHub: https://github.com/farisv/PIL-RCE-Ghostscript-CVE-2018-16509
[CVE-2017-8291]
GitHub: https://github.com/heckintosh/modified_uploadscanner
[CVE-2017-8291]
GitHub: https://github.com/modzero/mod0BurpUploadScanner
[CVE-2017-8291]
GitHub: https://github.com/mrhacker51/FileUploadScanner
[CVE-2017-8291]
GitHub: https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/fileformat/ghostscript_type_confusion.rb
[CVE-2017-8291]
GitHub: https://github.com/0xsyr0/OSCP
[CVE-2018-16509]
GitHub: https://github.com/AssassinUKG/CVE_2018_16509
[CVE-2018-16509: exploit..]
GitHub: https://github.com/NCSU-DANCE-Research-Group/CDL
[CVE-2018-16509]
GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2018-16509]
GitHub: https://github.com/barrracud4/image-upload-exploits
[CVE-2018-16509]
GitHub: https://github.com/rhpco/CVE-2018-16509
[CVE-2018-16509: CVE-2018-16509 Docker Playground - Ghostscript command execution]
GitHub: https://medium.com/@NumbShiva/imagemagic-rce-f364a9f50a14
[CVE-2018-16509]
GitHub: https://github.com/cved-sources/cve-2018-16509
[CVE-2018-16509: Cve-2018-16509]
GitHub: https://github.com/farisv/PIL-RCE-Ghostscript-CVE-2018-16509
[CVE-2018-16509: PoC + Docker Environment for Python PIL/Pillow Remote Shell Command Execution via ...]
GitHub: https://github.com/knqyf263/CVE-2018-16509
[CVE-2018-16509: CVE-2018-16509 (Ghostscript contains multiple -dSAFER sandbox bypass vulnerabilities) ...]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C

CVSS Base Score:	9.3 (High)
Impact Subscore:	10.0
Exploitability Subscore:	8.6
CVSS Temporal Score:	8.1 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.1 (High)

CVSS V3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CVSS Base Score:	7.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.8
CVSS Temporal Score:	7.5 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.5 (High)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2018-0285.
#

include("compat.inc");

if (description)
{
  script_id(119484);
  script_version("1.3");
  script_cvs_date("Date: 2019/09/27 13:00:35");

  script_cve_id("CVE-2017-8291", "CVE-2018-16509");

  script_name(english:"OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285)");
  script_summary(english:"Checks the RPM output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote OracleVM host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote OracleVM system is missing necessary patches to address
critical security updates :

  - It was found that the fix for CVE-2018-16509 was not
    complete, the missing pieces added into
    ghostscript-CVE-2018-16509.patch

  - Resolves: #1641124 - CVE-2018-16509 ghostscript:
    /invalidaccess bypass after failed restore

  - Added security fix for CVE-2017-8291 (bug #1446063)"
  );
  # https://oss.oracle.com/pipermail/oraclevm-errata/2018-December/000920.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?33457c2d"
  );
  # https://oss.oracle.com/pipermail/oraclevm-errata/2018-December/000919.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?2fef182f"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected ghostscript package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Ghostscript Failed Restore Command Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:ghostscript");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/04/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/12/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/12/07");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"OracleVM Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleVM/release", "Host/OracleVM/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/OracleVM/release");
if (isnull(release) || "OVS" >!< release) audit(AUDIT_OS_NOT, "OracleVM");
if (! preg(pattern:"^OVS" + "(3\.3|3\.4)" + "(\.[0-9]|$)", string:release)) audit(AUDIT_OS_NOT, "OracleVM 3.3 / 3.4", "OracleVM " + release);
if (!get_kb_item("Host/OracleVM/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "OracleVM", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

flag = 0;
if (rpm_check(release:"OVS3.3", reference:"ghostscript-8.70-24.el6_10.2")) flag++;

if (rpm_check(release:"OVS3.4", reference:"ghostscript-8.70-24.el6_10.2")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ghostscript");
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/oraclevm_OVMSA-2018-0285.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\oraclevm_OVMSA-2018-0285.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/oraclevm_OVMSA-2018-0285.nasl

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How to Run

Here is how to run the OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select OracleVM Local Security Checks plugin family.
On the right side table select OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285) plugin ID 119484.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl oraclevm_OVMSA-2018-0285.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a oraclevm_OVMSA-2018-0285.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - oraclevm_OVMSA-2018-0285.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state oraclevm_OVMSA-2018-0285.nasl -t <IP/HOST>

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References

See also:

Similar and related Nessus plugins:

117901 - SUSE SLED12 / SLES12 Security Update : ghostscript (SUSE-SU-2018:2975-1)
117979 - openSUSE Security Update : ghostscript (openSUSE-2018-1122)
117980 - openSUSE Security Update : ghostscript (openSUSE-2018-1123)
118043 - Amazon Linux 2 : ghostscript (ALAS-2018-1088)
118118 - CentOS 7 : ghostscript (CESA-2018:2918)
118125 - Oracle Linux 7 : ghostscript (ELSA-2018-2918)
118128 - RHEL 7 : ghostscript (RHSA-2018:2918)
118166 - Scientific Linux Security Update : ghostscript on SL7.x x86_64 (20181016)
118298 - SUSE SLES12 Security Update : ghostscript (SUSE-SU-2018:2975-2)
118350 - SUSE SLES11 Security Update : ghostscript-library (SUSE-SU-2018:3330-1)
119087 - Virtuozzo 7 : ghostscript / ghostscript-cups / ghostscript-devel / etc (VZLSA-2018-2918)
119132 - GLSA-201811-12 : GPL Ghostscript: Multiple vulnerabilities
119328 - Oracle Linux 6 : ghostscript (ELSA-2018-3760)
119330 - RHEL 6 : ghostscript (RHSA-2018:3760)
119445 - Scientific Linux Security Update : ghostscript on SL6.x i386/x86_64 (20181204)
119446 - Scientific Linux Security Update : ghostscript on SL7.x x86_64 (20181204)
119479 - CentOS 6 : ghostscript (CESA-2018:3760)
119532 - EulerOS 2.0 SP3 : ghostscript (EulerOS-SA-2018-1404)
119815 - Amazon Linux AMI : ghostscript (ALAS-2018-1137)
119919 - EulerOS 2.0 SP2 : ghostscript (EulerOS-SA-2018-1430)
120116 - SUSE SLED15 / SLES15 Security Update : ghostscript (SUSE-SU-2018:2976-1)
121276 - EulerOS Virtualization 2.5.1 : ghostscript (EulerOS-SA-2019-1016)
122709 - EulerOS Virtualization 2.5.2 : ghostscript (EulerOS-SA-2019-1087)
123326 - openSUSE Security Update : ghostscript (openSUSE-2019-759)
123862 - EulerOS Virtualization 2.5.3 : ghostscript (EulerOS-SA-2019-1176)
123901 - EulerOS Virtualization 2.5.4 : ghostscript (EulerOS-SA-2019-1215)
127204 - NewStart CGSL CORE 5.04 / MAIN 5.04 : ghostscript Multiple Vulnerabilities (NS-SA-2019-0035)
127321 - NewStart CGSL MAIN 4.05 : ghostscript Vulnerability (NS-SA-2019-0097)
127412 - NewStart CGSL MAIN 4.05 : ghostscript Vulnerability (NS-SA-2019-0145)
144534 - Virtuozzo 6 : ghostscript / ghostscript-devel / ghostscript-doc / etc (VZLSA-2018-3760)
99726 - Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : ghostscript vulnerabilities (USN-3272-1)
99741 - Debian DSA-3838-1 : ghostscript - security update
99761 - SUSE SLED12 / SLES12 Security Update : ghostscript (SUSE-SU-2017:1138-1)
99979 - SUSE SLES11 Security Update : ghostscript-library (SUSE-SU-2017:1153-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file oraclevm_OVMSA-2018-0285.nasl version 1.3. For more plugins, visit the Nessus Plugin Library.

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OracleVM 3.3 / 3.4 : ghostscript (OVMSA-2018-0285) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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