Rocky Linux 8 : nodejs:14 (RLSA-2021:0744)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2021:0744.
##

include('compat.inc');

if (description)
{
  script_id(184539);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/07");

  script_cve_id("CVE-2021-22883", "CVE-2021-22884");
  script_xref(name:"RLSA", value:"2021:0744");
  script_xref(name:"CEA-ID", value:"CEA-2021-0025");

  script_name(english:"Rocky Linux 8 : nodejs:14 (RLSA-2021:0744)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Rocky Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
RLSA-2021:0744 advisory.

  - Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to a denial of service attack when too
    many connection attempts with an 'unknownProtocol' are established. This leads to a leak of file
    descriptors. If a file descriptor limit is configured on the system, then the server is unable to accept
    new connections and prevent the process also from opening, e.g. a file. If no file descriptor limit is
    configured, then this lead to an excessive memory usage and cause the system to run out of memory.
    (CVE-2021-22883)

  - Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the
    whitelist includes localhost6. When localhost6 is not present in /etc/hosts, it is just an ordinary
    domain that is resolved via DNS, i.e., over network. If the attacker controls the victim's DNS server or
    can spoof its responses, the DNS rebinding protection can be bypassed by using the localhost6 domain. As
    long as the attacker uses the localhost6 domain, they can still apply the attack described in
    CVE-2018-7160. (CVE-2021-22884)

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://errata.rockylinux.org/RLSA-2021:0744");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1932014");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1932024");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1932427");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-22884");

  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:"2021/03/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-docs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-full-i18n");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-nodemon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:nodejs-packaging");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:npm");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rocky:linux:8");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

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

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

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RockyLinux/release');
if (isnull(os_release) || 'Rocky Linux' >!< os_release) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_ver = pregmatch(pattern: "Rocky(?: Linux)? release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Rocky Linux 8.x', 'Rocky Linux ' + os_ver);

if (!get_kb_item('Host/RockyLinux/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$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Rocky Linux', cpu);

var module_ver = get_kb_item('Host/RockyLinux/appstream/nodejs');
if (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module nodejs:14');
if ('14' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module nodejs:' + module_ver);

var appstreams = {
    'nodejs:14': [
      {'reference':'nodejs-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-debuginfo-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-debuginfo-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-debugsource-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-debugsource-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-devel-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-devel-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-docs-14.16.0-2.module+el8.3.0+100+234774f7', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-full-i18n-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-full-i18n-14.16.0-2.module+el8.3.0+100+234774f7', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'nodejs-nodemon-2.0.3-1.module+el8.3.0+100+234774f7', 'release':'8', 'el_string':'el8.3.0', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'nodejs-nodemon-2.0.3-1.module+el8.4.0+638+5344c6f7', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'nodejs-nodemon-2.0.3-1.module+el8.6.0+982+9fdca2d4', 'release':'8', 'el_string':'el8.6.0', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'nodejs-packaging-23-3.module+el8.3.0+100+234774f7', 'release':'8', 'el_string':'el8.3.0', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE},
      {'reference':'nodejs-packaging-23-3.module+el8.5.0+733+de4fee6c', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'nodejs-packaging-23-3.module+el8.7.0+1071+4bdda2a8', 'release':'8', 'el_string':'el8.7.0', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'npm-6.14.11-1.14.16.0.2.module+el8.3.0+100+234774f7', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
      {'reference':'npm-6.14.11-1.14.16.0.2.module+el8.3.0+100+234774f7', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'}
    ]
};

var flag = 0;
var appstreams_found = 0;
foreach var module (keys(appstreams)) {
  var appstream = NULL;
  var appstream_name = NULL;
  var appstream_version = NULL;
  var appstream_split = split(module, sep:':', keep:FALSE);
  if (!empty_or_null(appstream_split)) {
    appstream_name = appstream_split[0];
    appstream_version = appstream_split[1];
    if (!empty_or_null(appstream_name)) appstream = get_one_kb_item('Host/RockyLinux/appstream/' + appstream_name);
  }
  if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') {
    appstreams_found++;
    foreach var package_array ( appstreams[module] ) {
      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 = 'Rocky-' + 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 && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
        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 (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module nodejs:14');

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, 'nodejs / nodejs-debuginfo / nodejs-debugsource / nodejs-devel / etc');
}