Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5152-1)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-5152-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##

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

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  script_set_attribute(attribute:"plugin_modification_date", value:"2023/01/17");

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    "CVE-2021-38504",
    "CVE-2021-38506",
    "CVE-2021-38507",
    "CVE-2021-38509"
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  script_xref(name:"IAVA", value:"2021-A-0527-S");

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  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 21.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the
USN-5152-1 advisory.

  - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-
    free could have resulted, leading to memory corruption and a potentially exploitable crash. This
    vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)

  - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass
    restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects
    Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)

  - Through a series of navigations, Firefox could have entered fullscreen mode without notification or
    warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This
    vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)

  - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded
    to TLS while retaining the visual properties of an HTTP connection, including being same-origin with
    unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port
    8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the
    browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin
    with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This
    vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)

  - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary
    (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's
    choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
    (CVE-2021-38509)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
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  script_set_attribute(attribute:"solution", value:
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  script_set_attribute(attribute:"vuln_publication_date", value:"2021/11/02");
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include('audit.inc');
include('ubuntu.inc');
include('misc_func.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var release = get_kb_item('Host/Ubuntu/release');
if ( isnull(release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
var release = chomp(release);
if (! preg(pattern:"^(21\.10)$", string:release)) audit(AUDIT_OS_NOT, 'Ubuntu 21.10', 'Ubuntu ' + release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) 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$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);


var pkgs = [
    {'osver': '21.10', 'pkgname': 'thunderbird', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-dev', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
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    {'osver': '21.10', 'pkgname': 'thunderbird-locale-bg', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-bn', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-bn-bd', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-br', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-ca', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-cak', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-cs', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-cy', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-da', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-de', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-dsb', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-el', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
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    {'osver': '21.10', 'pkgname': 'thunderbird-locale-nb', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-nb-no', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-nl', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-nn', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-nn-no', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-pa', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-pa-in', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-pl', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-pt', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-pt-br', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-pt-pt', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-rm', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-ro', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-ru', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-si', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-sk', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-sl', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-sq', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-sr', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-sv', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-sv-se', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-ta', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-ta-lk', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-th', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-tr', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-uk', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-uz', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-vi', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-zh-cn', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-zh-hans', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-zh-hant', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-locale-zh-tw', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'thunderbird-mozsymbols', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'xul-ext-calendar-timezones', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'xul-ext-gdata-provider', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'},
    {'osver': '21.10', 'pkgname': 'xul-ext-lightning', 'pkgver': '1:91.3.1+build1-0ubuntu0.21.10.1'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  if (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'thunderbird / thunderbird-dev / thunderbird-gnome-support / etc');
}