openSUSE 15 Security Update : pcp (SUSE-SU-2022:1509-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2022:1509-1. The text itself
# is copyright (C) SUSE.
##

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

if (description)
{
  script_id(170215);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/07");

  script_cve_id("CVE-2020-8025");
  script_xref(name:"SuSE", value:"SUSE-SU-2022:1509-1");

  script_name(english:"openSUSE 15 Security Update : pcp (SUSE-SU-2022:1509-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-
SU-2022:1509-1 advisory.

  - A Incorrect Execution-Assigned Permissions vulnerability in the permissions package of SUSE Linux
    Enterprise Server 12-SP4, SUSE Linux Enterprise Server 15-LTSS, SUSE Linux Enterprise Server for SAP 15;
    openSUSE Leap 15.1, openSUSE Tumbleweed sets the permissions for some of the directories of the pcp
    package to unintended settings. This issue affects: SUSE Linux Enterprise Server 12-SP4 permissions
    versions prior to 20170707-3.24.1. SUSE Linux Enterprise Server 15-LTSS permissions versions prior to
    20180125-3.27.1. SUSE Linux Enterprise Server for SAP 15 permissions versions prior to 20180125-3.27.1.
    openSUSE Leap 15.1 permissions versions prior to 20181116-lp151.4.24.1. openSUSE Tumbleweed permissions
    versions prior to 20200624. (CVE-2020-8025)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1171883");
  # https://lists.suse.com/pipermail/sle-security-updates/2022-May/010922.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5469d15e");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8025");
  script_set_attribute(attribute:"solution", value:
"Update the affected pcp-pmda-kvm, pcp-pmda-postgresql and / or python-pcp packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-8025");

  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:"2020/08/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/01/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  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) 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/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 !~ "^SUSE") audit(AUDIT_OS_NOT, "openSUSE");
var os_ver = pregmatch(pattern: "^(SUSE[\d.]+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'openSUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SUSE15\.3|SUSE15\.4)$", string:os_ver)) audit(AUDIT_OS_NOT, 'openSUSE 15', '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, 'openSUSE (' + os_ver + ')', cpu);

var pkgs = [
    {'reference':'pcp-pmda-kvm-3.11.9-150000.5.14.1', 'release':'SUSE15.3', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.3']},
    {'reference':'pcp-pmda-postgresql-3.11.9-150000.5.14.1', 'release':'SUSE15.3', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.3']},
    {'reference':'python-pcp-3.11.9-150000.5.14.1', 'release':'SUSE15.3', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.3']},
    {'reference':'pcp-pmda-kvm-3.11.9-150000.5.14.1', 'release':'SUSE15.4', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.4']},
    {'reference':'pcp-pmda-postgresql-3.11.9-150000.5.14.1', 'release':'SUSE15.4', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.4']},
    {'reference':'python-pcp-3.11.9-150000.5.14.1', 'release':'SUSE15.4', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.4']}
];

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_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, 'pcp-pmda-kvm / pcp-pmda-postgresql / python-pcp');
}