SUSE SLES15 / openSUSE 15 Security Update : rubygem-rack (SUSE-SU-2024:0765-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2024:0765-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(191622);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/06");

  script_cve_id("CVE-2024-25126", "CVE-2024-26141", "CVE-2024-26146");
  script_xref(name:"SuSE", value:"SUSE-SU-2024:0765-1");

  script_name(english:"SUSE SLES15 / openSUSE 15 Security Update : rubygem-rack (SUSE-SU-2024:0765-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as
referenced in the SUSE-SU-2024:0765-1 advisory.

  - Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack's media
    type parser to take much longer than expected, leading to a possible denial of service vulnerability
    (ReDos 2nd degree polynomial). This vulnerability is patched in 3.0.9.1 and 2.2.8.1. (CVE-2024-25126)

  - Rack is a modular Ruby web server interface. Carefully crafted Range headers can cause a server to respond
    with an unexpectedly large response. Responding with such large responses could lead to a denial of
    service issue. Vulnerable applications will use the `Rack::File` middleware or the
    `Rack::Utils.byte_ranges` methods (this includes Rails applications). The vulnerability is fixed in
    3.0.9.1 and 2.2.8.1. (CVE-2024-26141)

  - Rack is a modular Ruby web server interface. Carefully crafted headers can cause header parsing in Rack to
    take longer than expected resulting in a possible denial of service issue. Accept and Forwarded headers
    are impacted. Ruby 3.2 has mitigations for this problem, so Rack applications using Ruby 3.2 or newer are
    unaffected. This vulnerability is fixed in 2.0.9.4, 2.1.4.4, 2.2.8.1, and 3.0.9.1. (CVE-2024-26146)

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://bugzilla.suse.com/1220239");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1220242");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1220248");
  # https://lists.suse.com/pipermail/sle-security-updates/2024-March/018091.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1cef53f2");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-25126");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-26141");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-26146");
  script_set_attribute(attribute:"solution", value:
"Update the affected ruby2.5-rubygem-rack, ruby2.5-rubygem-rack-doc and / or ruby2.5-rubygem-rack-testsuite 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:C/C:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-26141");

  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:"2024/02/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/03/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-rubygem-rack");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  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/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES|SUSE)") audit(AUDIT_OS_NOT, "SUSE / openSUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)\d+|SUSE([\d.]+))", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE / openSUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15|SUSE15\.5)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15 / openSUSE 15', 'SUSE / openSUSE (' + os_ver + ')');

if (!get_kb_item("Host/SuSE/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, 'SUSE / openSUSE (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2|3|4|5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP2/3/4/5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'ruby2.5-rubygem-rack-2.0.8-150000.3.21.2', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
    {'reference':'ruby2.5-rubygem-rack-doc-2.0.8-150000.3.21.2', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
    {'reference':'ruby2.5-rubygem-rack-testsuite-2.0.8-150000.3.21.2', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
    {'reference':'ruby2.5-rubygem-rack-2.0.8-150000.3.21.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-ha-release-15.2']},
    {'reference':'ruby2.5-rubygem-rack-2.0.8-150000.3.21.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-ha-release-15.3']},
    {'reference':'ruby2.5-rubygem-rack-2.0.8-150000.3.21.2', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-ha-release-15.4']},
    {'reference':'ruby2.5-rubygem-rack-2.0.8-150000.3.21.2', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-ha-release-15.5']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var exists_check = NULL;
  var rpm_spec_vers_cmp = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = 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['exists_check'])) exists_check = package_array['exists_check'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (exists_check) {
      var check_flag = 0;
      foreach var check (exists_check) {
        if (!rpm_exists(release:_release, rpm:check)) continue;
        check_flag++;
      }
      if (!check_flag) continue;
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

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, 'ruby2.5-rubygem-rack / ruby2.5-rubygem-rack-doc / etc');
}