Fedora 31 : 2:runc (2020-46ecc60897) - Nessus

High Plugin ID: 133569

This page contains detailed information about the Fedora 31 : 2:runc (2020-46ecc60897) 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: 133569
Name: Fedora 31 : 2:runc (2020-46ecc60897)
Filename: fedora_2020-46ecc60897.nasl
Vulnerability Published: 2020-02-12
This Plugin Published: 2020-02-10
Last Modification Time: 2020-02-27
Plugin Version: 1.3
Plugin Type: local
Plugin Family: Fedora Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Vulnerability Information

Severity: High
Vulnerability Published: 2020-02-12
Patch Published: 2020-02-08
CVE [?]: CVE-2019-19921
CPE [?]: cpe:/o:fedoraproject:fedora:31, p-cpe:/a:fedoraproject:fedora:2:runc

Synopsis

The remote Fedora host is missing a security update.

Description

Resolves: #1796107, #1796109 - Security fix for CVE-2019-19921

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected 2:runc package.

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 Fedora 31 : 2:runc (2020-46ecc60897) vulnerability:

GitHub: https://github.com/Metarget/awesome-cloud-native-security
[CVE-2019-19921]

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-2019-19921
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:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS Base Score:	7.0 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.0
CVSS Temporal Score:	6.1 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.1 (Medium)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2020-46ecc60897.
#

include("compat.inc");

if (description)
{
  script_id(133569);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/02/27");

  script_cve_id("CVE-2019-19921");
  script_xref(name:"FEDORA", value:"2020-46ecc60897");

  script_name(english:"Fedora 31 : 2:runc (2020-46ecc60897)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Resolves: #1796107, #1796109 - Security fix for CVE-2019-19921

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
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://bodhi.fedoraproject.org/updates/FEDORA-2020-46ecc60897"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected 2:runc package."
  );
  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:H/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-19921");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:2:runc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:31");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/02/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/02/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/10");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/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/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^31([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 31", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/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, "Fedora", cpu);


flag = 0;
if (rpm_check(release:"FC31", reference:"runc-1.0.0-102.dev.gitdc9208a.fc31", epoch:"2")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "2:runc");
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/fedora_2020-46ecc60897.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\fedora_2020-46ecc60897.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/fedora_2020-46ecc60897.nasl

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How to Run

Here is how to run the Fedora 31 : 2:runc (2020-46ecc60897) 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 Fedora Local Security Checks plugin family.
On the right side table select Fedora 31 : 2:runc (2020-46ecc60897) plugin ID 133569.
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 fedora_2020-46ecc60897.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a fedora_2020-46ecc60897.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - fedora_2020-46ecc60897.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 fedora_2020-46ecc60897.nasl -t <IP/HOST>

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References

Fedora Security Update:

2020-46ecc60897

See also:

Similar and related Nessus plugins:

135934 - Amazon Linux AMI : runc (ALAS-2020-1358)
145798 - CentOS 8 : container-tools:rhel8 (CESA-2020:1650)
160134 - EulerOS 2.0 SP5 : docker-engine (EulerOS-SA-2022-1550)
160173 - EulerOS 2.0 SP8 : docker-engine (EulerOS-SA-2022-1585)
133581 - Fedora 30 : 2:runc (2020-b2c1f6cc75)
134598 - GLSA-202003-21 : runC: Multiple vulnerabilities
133714 - openSUSE Security Update : docker-runc (openSUSE-2020-219)
139863 - Photon OS 2.0: Runc PHSA-2020-2.0-0275
137201 - Photon OS 3.0: Runc PHSA-2020-3.0-0102
134391 - RHEL 8 : OpenShift Container Platform 4.2.22 runc (RHSA-2020:0688)
134557 - RHEL 8 : OpenShift Container Platform 4.1.38 (RHSA-2020:0695)
134836 - RHEL 7 : runc (RHSA-2020:0942)
135769 - RHEL 7 : OpenShift Container Platform 4.3.13 runc (RHSA-2020:1485)
136053 - RHEL 8 : container-tools:rhel8 (RHSA-2020:1650)
133602 - SUSE SLED15 / SLES15 Security Update : docker-runc (SUSE-SU-2020:0375-1)
135281 - SUSE SLES15 Security Update : runc (SUSE-SU-2020:0944-1)
134367 - Ubuntu 18.04 LTS / 19.10 : runc vulnerabilities (USN-4297-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file fedora_2020-46ecc60897.nasl version 1.3. For more plugins, visit the Nessus Plugin Library.

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Fedora 31 : 2:runc (2020-46ecc60897) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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