openSUSE Security Update : chromium (openSUSE-2021-567) - Nessus

High Plugin ID: 148746

This page contains detailed information about the openSUSE Security Update : chromium (openSUSE-2021-567) 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: 148746
Name: openSUSE Security Update : chromium (openSUSE-2021-567)
Filename: openSUSE-2021-567.nasl
Vulnerability Published: 2021-04-26
This Plugin Published: 2021-04-19
Last Modification Time: 2021-11-30
Plugin Version: 1.8
Plugin Type: local
Plugin Family: SuSE Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list

Vulnerability Information

Severity: High
Vulnerability Published: 2021-04-26
Patch Published: 2021-04-17
CVE [?]: CVE-2021-21206, CVE-2021-21220
CPE [?]: cpe:/o:novell:opensuse:15.2, p-cpe:/a:novell:opensuse:chromedriver, p-cpe:/a:novell:opensuse:chromedriver-debuginfo, p-cpe:/a:novell:opensuse:chromium, p-cpe:/a:novell:opensuse:chromium-debuginfo
Exploited by Malware: True

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for chromium fixes the following issues :

- Chromium 89.0.4389.128 (boo#1184700) :

- CVE-2021-21206: Use after free in blink

- CVE-2021-21220: Insufficient validation of untrusted input in v8 for x86_64

Solution

Update the affected chromium packages.

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 openSUSE Security Update : chromium (openSUSE-2021-567) vulnerability:

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]
GitHub: https://github.com/EdgeSecurityTeam/Vulnerability
[CVE-2021-21220]
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)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2021-567.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(148746);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/11/30");

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

  script_name(english:"openSUSE Security Update : chromium (openSUSE-2021-567)");
  script_summary(english:"Check for the openSUSE-2021-567 patch");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description",
    value:
"This update for chromium fixes the following issues :

  - Chromium 89.0.4389.128 (boo#1184700) :

  - CVE-2021-21206: Use after free in blink

  - CVE-2021-21220: Insufficient validation of untrusted
    input in v8 for x86_64"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1184700"
  );
  script_set_attribute(
    attribute:"solution",
    value:"Update the affected chromium packages."
  );
  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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:chromedriver");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:chromedriver-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:chromium");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:chromium-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.2");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/04/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/04/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/19");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

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

  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/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE15\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE15.2", reference:"chromedriver-89.0.4389.128-lp152.2.86.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"chromedriver-debuginfo-89.0.4389.128-lp152.2.86.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"chromium-89.0.4389.128-lp152.2.86.1", allowmaj:TRUE) ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"chromium-debuginfo-89.0.4389.128-lp152.2.86.1", allowmaj:TRUE) ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "chromedriver / chromedriver-debuginfo / chromium / etc");
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/openSUSE-2021-567.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\openSUSE-2021-567.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/openSUSE-2021-567.nasl

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How to Run

Here is how to run the openSUSE Security Update : chromium (openSUSE-2021-567) 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 SuSE Local Security Checks plugin family.
On the right side table select openSUSE Security Update : chromium (openSUSE-2021-567) plugin ID 148746.
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 openSUSE-2021-567.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a openSUSE-2021-567.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - openSUSE-2021-567.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 openSUSE-2021-567.nasl -t <IP/HOST>

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References

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
148565 - Microsoft Edge (Chromium) < 89.0.774.77 Multiple Vulnerabilities
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 openSUSE-2021-567.nasl version 1.8. For more plugins, visit the Nessus Plugin Library.

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openSUSE Security Update : chromium (openSUSE-2021-567) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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