Debian DLA-815-1 : ntfs-3g security update - Nessus

High Plugin ID: 96963

This page contains detailed information about the Debian DLA-815-1 : ntfs-3g security update 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: 96963
Name: Debian DLA-815-1 : ntfs-3g security update
Filename: debian_DLA-815.nasl
Vulnerability Published: N/A
This Plugin Published: 2017-02-03
Last Modification Time: 2021-01-11
Plugin Version: 3.9
Plugin Type: local
Plugin Family: Debian Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/Debian/dpkg-l, Host/Debian/release, Host/local_checks_enabled

Vulnerability Information

Severity: High
Vulnerability Published: N/A
Patch Published: 2017-02-02
CVE [?]: CVE-2017-0358
CPE [?]: cpe:/o:debian:debian_linux:7.0, p-cpe:/a:debian:debian_linux:ntfsprogs, p-cpe:/a:debian:debian_linux:ntfs-3g, p-cpe:/a:debian:debian_linux:ntfs-3g-dbg, p-cpe:/a:debian:debian_linux:ntfs-3g-dev

Synopsis

The remote Debian host is missing a security update.

Description

Jann Horn of Google Project Zero discovered that NTFS-3G, a read-write NTFS driver for FUSE, does not scrub the environment before executing modprobe with elevated privileges. A local user can take advantage of this flaw for local root privilege escalation.

For Debian 7 'Wheezy', these problems have been fixed in version 1:2012.1.15AR.5-2.1+deb7u3.

We recommend that you upgrade your ntfs-3g packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Debian DLA-815-1 : ntfs-3g security update vulnerability:

Metasploit: exploit/linux/local/ntfs3g_priv_esc
[Debian/Ubuntu ntfs-3g Local Privilege Escalation]
Exploit-DB: exploits/linux/local/41240.sh
[EDB-41240: ntfs-3g (Debian 9) - Local Privilege Escalation]
GitHub: https://github.com/Wangsafz/cve-2017-0358.sh
[CVE-2017-0358]
GitHub: https://github.com/siddicky/yotjf
[CVE-2017-0358]
Immunity Canvas: CANVAS

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:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	7.2 (High)
Impact Subscore:	10.0
Exploitability Subscore:	3.9
CVSS Temporal Score:	6.0 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.0 (Medium)

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

CVSS Base Score:	7.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.8
CVSS Temporal Score:	7.2 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.2 (High)

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Plugin Source

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-815-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(96963);
  script_version("3.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2017-0358");

  script_name(english:"Debian DLA-815-1 : ntfs-3g security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Jann Horn of Google Project Zero discovered that NTFS-3G, a read-write
NTFS driver for FUSE, does not scrub the environment before executing
modprobe with elevated privileges. A local user can take advantage of
this flaw for local root privilege escalation.

For Debian 7 'Wheezy', these problems have been fixed in version
1:2012.1.15AR.5-2.1+deb7u3.

We recommend that you upgrade your ntfs-3g packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://lists.debian.org/debian-lts-announce/2017/02/msg00002.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/ntfs-3g"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/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:"metasploit_name", value:'Debian/Ubuntu ntfs-3g Local Privilege Escalation');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'CANVAS');

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ntfs-3g");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ntfs-3g-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ntfs-3g-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ntfsprogs");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/02/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/02/03");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"7.0", prefix:"ntfs-3g", reference:"1:2012.1.15AR.5-2.1+deb7u3")) flag++;
if (deb_check(release:"7.0", prefix:"ntfs-3g-dbg", reference:"1:2012.1.15AR.5-2.1+deb7u3")) flag++;
if (deb_check(release:"7.0", prefix:"ntfs-3g-dev", reference:"1:2012.1.15AR.5-2.1+deb7u3")) flag++;
if (deb_check(release:"7.0", prefix:"ntfsprogs", reference:"1:2012.1.15AR.5-2.1+deb7u3")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/debian_DLA-815.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\debian_DLA-815.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/debian_DLA-815.nasl

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How to Run

Here is how to run the Debian DLA-815-1 : ntfs-3g security update 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 Debian Local Security Checks plugin family.
On the right side table select Debian DLA-815-1 : ntfs-3g security update plugin ID 96963.
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 debian_DLA-815.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a debian_DLA-815.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - debian_DLA-815.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 debian_DLA-815.nasl -t <IP/HOST>

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References

See also:

Similar and related Nessus plugins:

96933 - Debian DSA-3780-1 : ntfs-3g - security update
97253 - GLSA-201702-10 : NTFS-3G: Privilege escalation
118874 - openSUSE Security Update : ntfs-3g_ntfsprogs (openSUSE-2018-1376)
118587 - SUSE SLED12 Security Update : ntfs-3g_ntfsprogs (SUSE-SU-2018:3587-1)
119672 - SUSE SLED12 Security Update : ntfs-3g_ntfsprogs (SUSE-SU-2018:3587-2)
153124 - SUSE SLED12 / SLES12 Security Update : ntfs-3g_ntfsprogs (SUSE-SU-2021:2965-1)
96951 - Ubuntu 16.04 LTS / 16.10 : ntfs-3g vulnerability (USN-3182-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file debian_DLA-815.nasl version 3.9. For more plugins, visit the Nessus Plugin Library.

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Debian DLA-815-1 : ntfs-3g security update - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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