Rocky Linux 8 : nodejs:10 (RLSA-2019:2925)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2019:2925.
##

include('compat.inc');

if (description)
{
  script_id(184969);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/20");

  script_cve_id(
    "CVE-2019-5737",
    "CVE-2019-9511",
    "CVE-2019-9512",
    "CVE-2019-9513",
    "CVE-2019-9514",
    "CVE-2019-9515",
    "CVE-2019-9516",
    "CVE-2019-9517",
    "CVE-2019-9518"
  );
  script_xref(name:"RLSA", value:"2019:2925");
  script_xref(name:"CEA-ID", value:"CEA-2019-0643");

  script_name(english:"Rocky Linux 8 : nodejs:10 (RLSA-2019:2925)");

  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-2019:2925 advisory.

  - In Node.js including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1,
    an attacker can cause a Denial of Service (DoS) by establishing an HTTP or HTTPS connection in keep-alive
    mode and by sending headers very slowly. This keeps the connection and associated resources alive for a
    long period of time. Potential attacks are mitigated by the use of a load balancer or other proxy layer.
    This vulnerability is an extension of CVE-2018-12121, addressed in November and impacts all active Node.js
    release lines including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before
    11.10.1. (CVE-2019-5737)

  - Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization
    manipulation, potentially leading to a denial of service. The attacker requests a large amount of data
    from a specified resource over multiple streams. They manipulate window size and stream priority to force
    the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can
    consume excess CPU, memory, or both. (CVE-2019-9511)

  - Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The
    attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of
    responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
    (CVE-2019-9512)

  - Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service.
    The attacker creates multiple request streams and continually shuffles the priority of the streams in a
    way that causes substantial churn to the priority tree. This can consume excess CPU. (CVE-2019-9513)

  - Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service.
    The attacker opens a number of streams and sends an invalid request over each stream that should solicit a
    stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this
    can consume excess memory, CPU, or both. (CVE-2019-9514)

  - Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of
    service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer
    reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in
    behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory,
    or both. (CVE-2019-9515)

  - Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service.
    The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally
    Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and
    keep the allocation alive until the session dies. This can consume excess memory. (CVE-2019-9516)

  - Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to
    a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint;
    however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the
    wire. The attacker then sends a stream of requests for a large response object. Depending on how the
    servers queue the responses, this can consume excess memory, CPU, or both. (CVE-2019-9517)

  - Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of
    service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag.
    These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each
    frame disproportionate to attack bandwidth. This can consume excess CPU. (CVE-2019-9518)

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-2019:2925");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1735645");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1735741");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1735744");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1735745");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1735749");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1741860");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1741864");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1741868");
  script_set_attribute(attribute:"solution", value:
"Update the affected nodejs-nodemon and / or nodejs-packaging packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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-2019-9518");

  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:"2019/02/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/07");

  script_set_attribute(attribute:"plugin_type", value:"local");
  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:"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:10');
if ('10' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module nodejs:' + module_ver);

var appstreams = {
    'nodejs:10': [
      {'reference':'nodejs-nodemon-1.18.3-1.module+el8.3.0+101+f84c7154', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'nodejs-packaging-17-3.module+el8.3.0+101+f84c7154', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE}
    ]
};

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:10');

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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-nodemon / nodejs-packaging');
}