Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities - Nessus

High   Plugin ID: 148565

This page contains detailed information about the Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities 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

ID: 148565
Name: Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities
Filename: microsoft_edge_chromium_89_0_774_77.nasl
Vulnerability Published: 2021-04-13
This Plugin Published: 2021-04-15
Last Modification Time: 2021-11-30
Plugin Version: 1.9
Plugin Type: local
Plugin Family: Windows
Dependencies: microsoft_edge_chromium_installed.nbin
Required KB Items [?]: installed_sw/Microsoft Edge (Chromium), SMB/Registry/Enumerated

Vulnerability Information

Severity: High
Vulnerability Published: 2021-04-13
Patch Published: 2021-04-14
CVE [?]: CVE-2021-21206, CVE-2021-21220
CPE [?]: cpe:/a:microsoft:edge
Exploited by Malware: True

Synopsis

The remote host has an web browser installed that is affected by multiple vulnerabilities.

Description

The version of Microsoft Edge installed on the remote Windows host is prior to 89.0.774.77. It is, therefore, affected by multiple vulnerabilities as referenced in the April 14, 2021 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Microsoft Edge version 89.0.774.77 or later.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities vulnerability:

  1. Metasploit: exploit/multi/browser/chrome_cve_2021_21220_v8_insufficient_validation
    [Google Chrome versions before 89.0.4389.128 V8 XOR Typer Out-Of-Bounds Access RCE]
  2. GitHub: https://github.com/EdgeSecurityTeam/Vulnerability
    [CVE-2021-21220]
  3. GitHub: https://github.com/security-dbg/CVE-2021-21220
    [CVE-2021-21220]

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-2021-21220
CVSS V2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C
CVSS Base Score:6.8 (Medium)
Impact Subscore:6.4
Exploitability Subscore:8.6
CVSS Temporal Score:5.9 (Medium)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:5.9 (Medium)
CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
CVSS Base Score:8.8 (High)
Impact Subscore:5.9
Exploitability Subscore:2.8
CVSS Temporal Score:8.4 (High)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:8.4 (High)
STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

This is the microsoft_edge_chromium_89_0_774_77.nasl nessus plugin source code. This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof. 

##
# (C) Tenable Network Security, Inc.
##

include('compat.inc');

if (description)
{
  script_id(148565);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/11/30");

  script_cve_id("CVE-2021-21206", "CVE-2021-21220");
  script_xref(name:"IAVA", value:"2021-A-0176-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");

  script_name(english:"Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has an web browser installed that is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Microsoft Edge installed on the remote Windows host is prior to 89.0.774.77. It is, therefore, affected
by multiple vulnerabilities as referenced in the April 14, 2021 advisory. Note that Nessus has not tested for this issue
but has instead relied only on the application's self-reported version number.");
  # https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#april-14-2021
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?119280b8");
  script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21206");
  script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21220");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft Edge version 89.0.774.77 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/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:"cvss_score_source", value:"CVE-2021-21220");

  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:'Google Chrome versions before 89.0.4389.128 V8 XOR Typer Out-Of-Bounds Access RCE');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/04/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/04/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:edge");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

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

  script_dependencies("microsoft_edge_chromium_installed.nbin");
  script_require_keys("installed_sw/Microsoft Edge (Chromium)", "SMB/Registry/Enumerated");

  exit(0);
}

include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
app_info = vcf::get_app_info(app:'Microsoft Edge (Chromium)', win_local:TRUE);
constraints = [
  { 'fixed_version' : '89.0.774.77' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);

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

  • Linux / Unix:
    /opt/nessus/lib/nessus/plugins/microsoft_edge_chromium_89_0_774_77.nasl
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\microsoft_edge_chromium_89_0_774_77.nasl
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/microsoft_edge_chromium_89_0_774_77.nasl

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How to Run

Here is how to run the Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select Windows plugin family.
  6. On the right side table select Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities plugin ID 148565.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. 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 microsoft_edge_chromium_89_0_774_77.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a microsoft_edge_chromium_89_0_774_77.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - microsoft_edge_chromium_89_0_774_77.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 microsoft_edge_chromium_89_0_774_77.nasl -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:
  • 2021-A-0176-S
See also: Similar and related Nessus plugins:
  • 148599 - FreeBSD : chromium -- multiple vulnerabilities (7c0d71a9-9d48-11eb-97a0-e09467587c17)
  • 149223 - GLSA-202104-08 : Chromium, Google Chrome: Multiple vulnerabilities
  • 148487 - Google Chrome < 89.0.4389.128 Multiple Vulnerabilities
  • 148488 - Google Chrome < 89.0.4389.128 Multiple Vulnerabilities
  • 148746 - openSUSE Security Update : chromium (openSUSE-2021-567)
  • 150103 - openSUSE Security Update : opera (openSUSE-2021-712)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file microsoft_edge_chromium_89_0_774_77.nasl version 1.9. For more plugins, visit the Nessus Plugin Library.

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