Mozilla Firefox Security Advisory (MFSA2022-01) - Linux

# SPDX-FileCopyrightText: 2022 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:mozilla:firefox";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.2.1.2022.01");
  script_version("2026-07-02T06:53:57+0000");
  script_tag(name:"last_modification", value:"2026-07-02 06:53:57 +0000 (Thu, 02 Jul 2026)");
  script_tag(name:"creation_date", value:"2022-02-09 13:04:21 +0000 (Wed, 09 Feb 2022)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-01-03 20:03:32 +0000 (Tue, 03 Jan 2023)");

  script_cve_id("CVE-2021-4140", "CVE-2022-22737", "CVE-2022-22738", "CVE-2022-22739", "CVE-2022-22740", "CVE-2022-22741", "CVE-2022-22742", "CVE-2022-22743", "CVE-2022-22745", "CVE-2022-22747", "CVE-2022-22748", "CVE-2022-22751", "CVE-2022-22752", "CVE-2022-22763");

  script_name("Mozilla Firefox Security Advisory (MFSA2022-01) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("General");
  script_dependencies("gb_firefox_detect_lin.nasl");
  script_mandatory_keys("mozilla/firefox/linux/detected");

  script_xref(name:"Advisory-ID", value:"MFSA2022-01");
  script_xref(name:"URL", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1664149%2C1737816%2C1739366%2C1740274%2C1740797%2C1741201%2C1741869%2C1743221%2C1743515%2C1745373%2C1746011");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1705211");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1735028");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1735856");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1739220");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1739923");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1740389");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1740534");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1741210%2C1742770");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1742334");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1742382");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1744158");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1745874");
  script_xref(name:"URL", value:"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1746720");

  script_tag(name:"summary", value:"The remote host is missing an update for Mozilla Firefox, announced via the advisory MFSA2022-01.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"CVE-2022-22743: Browser window spoof using fullscreen mode

When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode.

CVE-2022-22742: Out-of-bounds memory access when inserting text in edit mode

When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash.

CVE-2022-22741: Browser window spoof using fullscreen mode

When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode.

CVE-2022-22740: Use-after-free of ChannelEventQueue::mOwner

Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash.

CVE-2022-22738: Heap-buffer-overflow in blendGaussianBlur

Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow causing a potentially exploitable crash.

CVE-2022-22737: Race condition when playing audio files

Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash.

CVE-2021-4140: Iframe sandbox bypass with XSLT

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox.

CVE-2022-22748: Spoofed origin on external protocol launch dialog

Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL protocol.

CVE-2022-22745: Leaking cross-origin URLs through securitypolicyviolation event

Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations

CVE-2022-22763: Script Execution during invalid object state

When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible.

CVE-2022-22747: Crash when handling empty pkcs7 sequence

After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable.

CVE-2022-22739: Missing throttling on external protocol launch dialog

Malicious websites could have tricked users into accepting launching a program to handle an external URL protocol.

CVE-2022-22751: Memory safety bugs fixed in Firefox 96 and Firefox ESR 91.5

Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon Giesecke, and Steve Fink reported memory safety bugs present in Firefox 95 and Firefox ESR 91.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have ... [Please see the references for more information on the vulnerabilities]");

  script_tag(name:"affected", value:"Mozilla Firefox versions prior to 96.");

  script_tag(name:"solution", value:"The vendor has released an update. Please see the reference(s) for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version_unreliable");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!infos = get_app_version_and_location(cpe: CPE, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_is_less(version: version, test_version: "96")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "96", install_path: location);
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);