Photon OS 3.0: Docker PHSA-2021-3.0-0311 - Nessus

Medium Plugin ID: 153946

This page contains detailed information about the Photon OS 3.0: Docker PHSA-2021-3.0-0311 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: 153946
Name: Photon OS 3.0: Docker PHSA-2021-3.0-0311
Filename: PhotonOS_PHSA-2021-3_0-0311_docker.nasl
Vulnerability Published: 2021-09-30
This Plugin Published: 2021-10-08
Last Modification Time: 2021-10-12
Plugin Version: 1.3
Plugin Type: local
Plugin Family: PhotonOS Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/local_checks_enabled, Host/PhotonOS/release, Host/PhotonOS/rpm-list

Vulnerability Information

Severity: Medium
Vulnerability Published: 2021-09-30
Patch Published: 2021-10-05
CVE [?]: CVE-2021-41089
CPE [?]: cpe:/o:vmware:photonos:3.0, p-cpe:/a:vmware:photonos:docker

Synopsis

The remote PhotonOS host is missing multiple security updates.

Description

An update of the docker package has been released.

- Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where attempting to copy files using `docker cp` into a specially-crafted container can result in Unix file permission changes for existing files in the hosts filesystem, widening access to others. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers do not need to be restarted. (CVE-2021-41089)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected Linux packages.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (GitHub)
Exploit Ease: Exploits (PoCs) are available

Here's the list of publicly known exploits and PoCs for verifying the Photon OS 3.0: Docker PHSA-2021-3.0-0311 vulnerability:

GitHub: https://github.com/ssst0n3/my_vulnerabilities
[CVE-2021-41089]
GitHub: https://github.com/ssst0n3/ssst0n3
[CVE-2021-41089]

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 Score Source [?]: CVE-2021-41089
CVSS V2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C

CVSS Base Score:	4.4 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	3.4
CVSS Temporal Score:	3.3 (Low)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	3.3 (Low)

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

CVSS Base Score:	6.3 (Medium)
Impact Subscore:	3.7
Exploitability Subscore:	2.0
CVSS Temporal Score:	5.5 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.5 (Medium)

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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 VMware Security Advisory PHSA-2021-3.0-0311. The text
# itself is copyright (C) VMware, Inc.
##

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

if (description)
{
  script_id(153946);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/10/12");

  script_cve_id("CVE-2021-41089");

  script_name(english:"Photon OS 3.0: Docker PHSA-2021-3.0-0311");

  script_set_attribute(attribute:"synopsis", value:
"The remote PhotonOS host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"An update of the docker package has been released.

  - Moby is an open-source project created by Docker to enable software containerization. A bug was found in
    Moby (Docker Engine) where attempting to copy files using `docker cp` into a specially-crafted container
    can result in Unix file permission changes for existing files in the hosts filesystem, widening access
    to others. This bug does not directly allow files to be read, modified, or executed without an additional
    cooperating process. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this
    version as soon as possible. Running containers do not need to be restarted. (CVE-2021-41089)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://github.com/vmware/photon/wiki/Security-Updates-3.0-311.md");
  script_set_attribute(attribute:"solution", value:
"Update the affected Linux packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-41089");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/09/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/10/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/10/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:vmware:photonos:docker");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:vmware:photonos:3.0");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"PhotonOS Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/PhotonOS/release", "Host/PhotonOS/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);

var release = get_kb_item('Host/PhotonOS/release');
if (isnull(release) || release !~ "^VMware Photon") audit(AUDIT_OS_NOT, 'PhotonOS');
if (release !~ "^VMware Photon (?:Linux|OS) 3\.0(\D|$)") audit(AUDIT_OS_NOT, 'PhotonOS 3.0');

if (!get_kb_item('Host/PhotonOS/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'PhotonOS', cpu);

var flag = 0;

if (rpm_exists(rpm:'docker-18.09', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-18.09.9-12.ph3')) flag++;
if (rpm_exists(rpm:'docker-19.03', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-19.03.15-8.ph3')) flag++;
if (rpm_exists(rpm:'docker-cli-18.09', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-cli-18.09.9-12.ph3')) flag++;
if (rpm_exists(rpm:'docker-cli-19.03', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-cli-19.03.15-8.ph3')) flag++;
if (rpm_exists(rpm:'docker-doc-18.09', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-doc-18.09.9-12.ph3')) flag++;
if (rpm_exists(rpm:'docker-doc-19.03', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-doc-19.03.15-8.ph3')) flag++;
if (rpm_exists(rpm:'docker-engine-18.09', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-engine-18.09.9-12.ph3')) flag++;
if (rpm_exists(rpm:'docker-engine-19.03', release:'PhotonOS-3.0') && rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'docker-engine-19.03.15-8.ph3')) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'docker');
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/PhotonOS_PHSA-2021-3_0-0311_docker.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\PhotonOS_PHSA-2021-3_0-0311_docker.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/PhotonOS_PHSA-2021-3_0-0311_docker.nasl

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How to Run

Here is how to run the Photon OS 3.0: Docker PHSA-2021-3.0-0311 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 PhotonOS Local Security Checks plugin family.
On the right side table select Photon OS 3.0: Docker PHSA-2021-3.0-0311 plugin ID 153946.
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 PhotonOS_PHSA-2021-3_0-0311_docker.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a PhotonOS_PHSA-2021-3_0-0311_docker.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - PhotonOS_PHSA-2021-3_0-0311_docker.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 PhotonOS_PHSA-2021-3_0-0311_docker.nasl -t <IP/HOST>

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References

See also:

Similar and related Nessus plugins:

158722 - Amazon Linux 2 : docker (ALAS-2022-017) (deprecated)
160411 - Amazon Linux 2 : docker (ALASDOCKER-2022-017)
153861 - Amazon Linux AMI : docker (ALAS-2021-1537)
154769 - openSUSE 15 Security Update : containerd, docker, runc (openSUSE-SU-2021:1404-1)
154606 - openSUSE 15 Security Update : containerd, docker, runc (openSUSE-SU-2021:3506-1)
157398 - openSUSE 15 Security Update : containerd, docker (openSUSE-SU-2022:0334-1)
153929 - Photon OS 1.0: Docker PHSA-2021-1.0-0439
153979 - Photon OS 2.0: Docker PHSA-2021-2.0-0402
153973 - Photon OS 4.0: Docker PHSA-2021-4.0-0113
154100 - SUSE SLES12 Security Update : containerd, docker, runc (SUSE-SU-2021:3336-1)
154638 - SUSE SLES15 Security Update : containerd, docker, runc (SUSE-SU-2021:3506-1)
157188 - SUSE SLES12 Security Update : containerd, docker (SUSE-SU-2022:0213-1)
157388 - SUSE SLES15 Security Update : containerd, docker (SUSE-SU-2022:0334-1)
153866 - Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 21.04 : docker.io vulnerability (USN-5103-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file PhotonOS_PHSA-2021-3_0-0311_docker.nasl version 1.3. For more plugins, visit the Nessus Plugin Library.

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Photon OS 3.0: Docker PHSA-2021-3.0-0311 - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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