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nessusThis script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.MACOS_FIREFOX_91_7_ESR.NASL
HistoryMar 08, 2022 - 12:00 a.m.

Mozilla Firefox ESR < 91.7

2022-03-0800:00:00
This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
21
firefox esr
macos
security vulnerabilities
mfsa2022-11
fullscreen notification
iframe sandbox
javascript execution
add-on signature
use-after-free
temporary file download behavior

CVSS3

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

AI Score

7.7

Confidence

Low

EPSS

0.006

Percentile

79.2%

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 91.7. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2022-11 advisory.

  • When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. (CVE-2022-26383)

  • If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not <code>allow-scripts</code>, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox. (CVE-2022-26384)

  • When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. (CVE-2022-26387)

  • An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. (CVE-2022-26381)

  • Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected. (CVE-2022-26386)

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

#%NASL_MIN_LEVEL 70300
## 
# (C) Tenable Network Security, Inc.
#                                  
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2022-11.
# The text itself is copyright (C) Mozilla Foundation.
##

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

if (description)
{
  script_id(158691);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/06");

  script_cve_id(
    "CVE-2022-26381",
    "CVE-2022-26383",
    "CVE-2022-26384",
    "CVE-2022-26386",
    "CVE-2022-26387"
  );
  script_xref(name:"IAVA", value:"2022-A-0103-S");

  script_name(english:"Mozilla Firefox ESR < 91.7");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 91.7. It is, therefore, affected
by multiple vulnerabilities as referenced in the mfsa2022-11 advisory.

  - When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen
    notification. (CVE-2022-26383)

  - If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not
    <code>allow-scripts</code>, they were able to craft a link that, when clicked, would lead to JavaScript
    execution in violation of the sandbox. (CVE-2022-26384)

  - When installing an add-on, Firefox verified the signature before prompting the user; but while the user
    was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have
    noticed. (CVE-2022-26387)

  - An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a
    potentially exploitable crash. (CVE-2022-26381)

  - Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in
    <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be
    affected by other local users.  This behavior was reverted to the original, user-specific directory.  This
    bug only affects Firefox for macOS and Linux. Other operating systems are unaffected. (CVE-2022-26386)

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://www.mozilla.org/en-US/security/advisories/mfsa2022-11/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox ESR version 91.7 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-26384");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

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

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

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_firefox_installed.nasl");
  script_require_keys("MacOSX/Firefox/Version");

  exit(0);
}

include('mozilla_version.inc');

var kb_base = 'MacOSX/Firefox';
get_kb_item_or_exit(kb_base+'/Installed');

var version = get_kb_item_or_exit(kb_base+'/Version', exit_code:1);
var path = get_kb_item_or_exit(kb_base+'/Path', exit_code:1);

var is_esr = get_kb_item(kb_base+'/is_esr');
if (isnull(is_esr)) audit(AUDIT_NOT_INST, 'Mozilla Firefox ESR');

mozilla_check_version(version:version, path:path, product:'firefox', esr:TRUE, fix:'91.7', min:'91.0.0', severity:SECURITY_HOLE);

CVSS3

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

AI Score

7.7

Confidence

Low

EPSS

0.006

Percentile

79.2%