Oracle Linux 8 : firefox (ELSA-2022-1287) - Nessus

High Plugin ID: 159607

This page contains detailed information about the Oracle Linux 8 : firefox (ELSA-2022-1287) 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: 159607
Name: Oracle Linux 8 : firefox (ELSA-2022-1287)
Filename: oraclelinux_ELSA-2022-1287.nasl
Vulnerability Published: 2022-03-08
This Plugin Published: 2022-04-08
Last Modification Time: 2022-04-08
Plugin Version: 1.2
Plugin Type: local
Plugin Family: Oracle Linux Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Vulnerability Information

Severity: High
Vulnerability Published: 2022-03-08
Patch Published: 2022-04-08
CVE [?]: CVE-2022-1097, CVE-2022-1196, CVE-2022-24713, CVE-2022-28281, CVE-2022-28282, CVE-2022-28285, CVE-2022-28286, CVE-2022-28289
CPE [?]: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:firefox

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2022-1287 advisory.

- <code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. (CVE-2022-1097)

- After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use- after-free and potentially exploitable crash. (CVE-2022-1196)

- regex is an implementation of regular expressions for the Rust language. The regex crate features built-in mitigations to prevent denial of service attacks caused by untrusted regexes, or untrusted input matched by trusted regexes. Those (tunable) mitigations already provide sane defaults to prevent attacks. This guarantee is documented and it's considered part of the crate's API. Unfortunately a bug was discovered in the mitigations designed to prevent untrusted regexes to take an arbitrary amount of time during parsing, and it's possible to craft regexes that bypass such mitigations. This makes it possible to perform denial of service attacks by sending specially crafted regexes to services accepting user-controlled, untrusted regexes. All versions of the regex crate before or equal to 1.5.4 are affected by this issue. The fix is include starting from regex 1.5.5. All users accepting user-controlled regexes are recommended to upgrade immediately to the latest version of the regex crate. Unfortunately there is no fixed set of problematic regexes, as there are practically infinite regexes that could be crafted to exploit this vulnerability. Because of this, it us not recommend to deny known problematic regexes. (CVE-2022-24713)

- If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. (CVE-2022-28281)

- By using a link with <code>rel=localization</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. (CVE-2022-28282)

- When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. (CVE-2022-28285)

- Mozilla developers and community members Nika Layzell, Andrew McCreight, Gabriele Svelto, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 91.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2022-28289)

- Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks. (CVE-2022-28286)

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

Solution

Update the affected firefox 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 Oracle Linux 8 : firefox (ELSA-2022-1287) vulnerability:

GitHub: https://github.com/0vercl0k/CVE-2022-28281
[CVE-2022-28281: PoC for CVE-2022-28281 a Mozilla Firefox Out of bounds write.]

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-2022-24713
CVSS V2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C

CVSS Base Score:	5.0 (Medium)
Impact Subscore:	2.9
Exploitability Subscore:	10.0
CVSS Temporal Score:	3.7 (Low)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	3.7 (Low)

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

CVSS Base Score:	7.5 (High)
Impact Subscore:	3.6
Exploitability Subscore:	3.9
CVSS Temporal Score:	6.5 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.5 (Medium)

STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2022-1287.
##

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

if (description)
{
  script_id(159607);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/08");

  script_cve_id(
    "CVE-2022-1097",
    "CVE-2022-1196",
    "CVE-2022-24713",
    "CVE-2022-28281",
    "CVE-2022-28282",
    "CVE-2022-28285",
    "CVE-2022-28286",
    "CVE-2022-28289"
  );
  script_xref(name:"IAVA", value:"2022-A-0134");

  script_name(english:"Oracle Linux 8 : firefox (ELSA-2022-1287)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the
ELSA-2022-1287 advisory.

  - <code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe
    way on different threads, leading to a use-after-free and potentially exploitable crash.  (CVE-2022-1097)

  - After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-
    after-free and potentially exploitable crash.  (CVE-2022-1196)

  - regex is an implementation of regular expressions for the Rust language. The regex crate features built-in
    mitigations to prevent denial of service attacks caused by untrusted regexes, or untrusted input matched
    by trusted regexes. Those (tunable) mitigations already provide sane defaults to prevent attacks. This
    guarantee is documented and it's considered part of the crate's API. Unfortunately a bug was discovered in
    the mitigations designed to prevent untrusted regexes to take an arbitrary amount of time during parsing,
    and it's possible to craft regexes that bypass such mitigations. This makes it possible to perform denial
    of service attacks by sending specially crafted regexes to services accepting user-controlled, untrusted
    regexes. All versions of the regex crate before or equal to 1.5.4 are affected by this issue. The fix is
    include starting from regex 1.5.5. All users accepting user-controlled regexes are recommended to upgrade
    immediately to the latest version of the regex crate. Unfortunately there is no fixed set of problematic
    regexes, as there are practically infinite regexes that could be crafted to exploit this vulnerability.
    Because of this, it us not recommend to deny known problematic regexes. (CVE-2022-24713)

  - If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to
    the parent process, an out of bounds write would have occurred leading to memory corruption and a
    potentially exploitable crash.  (CVE-2022-28281)

  - By using a link with <code>rel=localization</code> a use-after-free could have been triggered by
    destroying an object during JavaScript execution and then referencing the object through a freed pointer,
    leading to a potential exploitable crash.  (CVE-2022-28282)

  - When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was
    used. In conjunction with another vulnerability this could have been used for an out of bounds memory
    read.  (CVE-2022-28285)

  - Mozilla developers and community members Nika Layzell, Andrew McCreight, Gabriele Svelto, and the Mozilla
    Fuzzing Team reported memory safety bugs present in Thunderbird 91.7. Some of these bugs showed evidence
    of memory corruption and we presume that with enough effort some of these could have been exploited to run
    arbitrary code.  (CVE-2022-28289)

  - Due to a layout change, iframe contents could have been rendered outside of its border. This could have
    led to user confusion or spoofing attacks.  (CVE-2022-28286)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://linux.oracle.com/errata/ELSA-2022-1287.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected firefox package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2022-24713");

  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:"2022/03/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/04/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/04/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:firefox");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
var os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 8', 'Oracle Linux ' + os_ver);

if (!get_kb_item('Host/RedHat/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, 'Oracle Linux', cpu);

var pkgs = [
    {'reference':'firefox-91.8.0-1.0.1.el8_5', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE},
    {'reference':'firefox-91.8.0-1.0.1.el8_5', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var release = NULL;
  var sp = NULL;
  var cpu = NULL;
  var el_string = NULL;
  var rpm_spec_vers_cmp = NULL;
  var epoch = NULL;
  var allowmaj = NULL;
  var exists_check = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) release = 'EL' + package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];
  if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && release) {
    if (exists_check) {
        if (rpm_exists(release:release, rpm:exists_check) && rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
    } else {
        if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) 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, 'firefox');
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/oraclelinux_ELSA-2022-1287.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\oraclelinux_ELSA-2022-1287.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/oraclelinux_ELSA-2022-1287.nasl

Go back to menu.

How to Run

Here is how to run the Oracle Linux 8 : firefox (ELSA-2022-1287) 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 Oracle Linux Local Security Checks plugin family.
On the right side table select Oracle Linux 8 : firefox (ELSA-2022-1287) plugin ID 159607.
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 oraclelinux_ELSA-2022-1287.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a oraclelinux_ELSA-2022-1287.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - oraclelinux_ELSA-2022-1287.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 oraclelinux_ELSA-2022-1287.nasl -t <IP/HOST>

Go back to menu.

References

IAVA | Information Assurance Vulnerability Alert:

2022-A-0134

See also:

Similar and related Nessus plugins:

160257 - Amazon Linux 2 : thunderbird (ALAS-2022-1789)
159586 - Debian DLA-2971-1 : firefox-esr - LTS security update
159636 - Debian DLA-2978-1 : thunderbird - LTS security update
159585 - Debian DSA-5113-1 : firefox-esr - security update
159528 - Mozilla Firefox ESR < 91.8
159529 - Mozilla Firefox < 99.0
159547 - Mozilla Thunderbird < 91.8
159527 - Mozilla Firefox ESR < 91.8
159530 - Mozilla Firefox < 99.0
159546 - Mozilla Thunderbird < 91.8
159621 - openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2022:1127-1)
159608 - Oracle Linux 7 : firefox (ELSA-2022-1284)
159641 - Oracle Linux 8 : thunderbird (ELSA-2022-1301)
159655 - Oracle Linux 7 : thunderbird (ELSA-2022-1302)
159622 - RHEL 8 : firefox (RHSA-2022:1283)
159623 - RHEL 7 : firefox (RHSA-2022:1284)
159613 - RHEL 8 : firefox (RHSA-2022:1285)
159614 - RHEL 8 : firefox (RHSA-2022:1286)
159612 - RHEL 8 : firefox (RHSA-2022:1287)
159646 - RHEL 8 : thunderbird (RHSA-2022:1301)
159635 - RHEL 7 : thunderbird (RHSA-2022:1302)
159650 - RHEL 8 : thunderbird (RHSA-2022:1303)
159649 - RHEL 8 : thunderbird (RHSA-2022:1305)
159669 - RHEL 8 : thunderbird (RHSA-2022:1326)
159640 - Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2022:1284)
159648 - Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2022:1302)
159532 - Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2022-095-01)
159559 - Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2022-096-01)
159600 - SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2022:1127-1)
159738 - SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2022:1176-1)
159593 - Ubuntu 18.04 LTS / 20.04 LTS / 21.10 : Firefox vulnerabilities (USN-5370-1)
160275 - Ubuntu 18.04 LTS / 20.04 LTS / 21.10 : Thunderbird vulnerabilities (USN-5393-1)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file oraclelinux_ELSA-2022-1287.nasl version 1.2. For more plugins, visit the Nessus Plugin Library.

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Oracle Linux 8 : firefox (ELSA-2022-1287) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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