SUSE SLED15 / SLES15 Security Update : python3 (SUSE-SU-2022:4281-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2022:4281-1. The text itself
# is copyright (C) SUSE.
##

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

if (description)
{
  script_id(168289);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/14");

  script_cve_id(
    "CVE-2019-18348",
    "CVE-2020-8492",
    "CVE-2020-10735",
    "CVE-2022-37454"
  );
  script_xref(name:"IAVA", value:"2020-A-0103-S");
  script_xref(name:"SuSE", value:"SUSE-SU-2022:4281-1");

  script_name(english:"SUSE SLED15 / SLES15 Security Update : python3 (SUSE-SU-2022:4281-1)");

  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 SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by
multiple vulnerabilities as referenced in the SUSE-SU-2022:4281-1 advisory.

  - An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0.
    CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument
    to urllib.request.urlopen with \r
 (specifically in the host component of a URL) followed by an HTTP
    header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue.
    (This is not exploitable when glibc has CVE-2016-10739 fixed.). This is fixed in: v2.7.18, v2.7.18rc1;
    v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4,
    v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1. (CVE-2019-18348)

  - A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when
    using int(text), a system could take 50ms to parse an int string with 100,000 digits and 5s for
    1,000,000 digits (float, decimal, int.from_bytes(), and int() for binary bases 2, 4, 8, 16, and 32 are not
    affected). The highest threat from this vulnerability is to system availability. (CVE-2020-10735)

  - Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1
    allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client
    because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. (CVE-2020-8492)

  - The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer
    overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties.
    This occurs in the sponge function interface. (CVE-2022-37454)

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/1188607");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1203125");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1204577");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-18348");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-10735");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8492");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-37454");
  # https://lists.suse.com/pipermail/sle-security-updates/2022-November/013149.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4f4c1fbe");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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-2019-18348");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2022-37454");

  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:"2019/10/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/11/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/11/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libpython3_6m1_0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-curses");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-dbm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-idle");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-tk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-tools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 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 !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED15|SLED_SAP15|SLES15|SLES_SAP15)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15', 'SUSE (' + 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 (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLED15" && (! preg(pattern:"^(3|4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLED15 SP3/4", os_ver + " SP" + service_pack);
if (os_ver == "SLED_SAP15" && (! preg(pattern:"^(3|4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLED_SAP15 SP3/4", os_ver + " SP" + service_pack);
if (os_ver == "SLES15" && (! preg(pattern:"^(3|4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP3/4", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP15" && (! preg(pattern:"^(3|4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP15 SP3/4", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'libpython3_6m1_0-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'libpython3_6m1_0-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-base-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-base-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-curses-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-curses-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-dbm-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-dbm-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-devel-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-devel-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-idle-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-idle-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-tk-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-tk-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.3']},
    {'reference':'python3-tools-3.6.15-150300.10.37.2', 'sp':'4', 'release':'SLED_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'python3-tools-3.6.15-150300.10.37.2', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'libpython3_6m1_0-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'libpython3_6m1_0-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-base-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-base-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-curses-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-curses-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-dbm-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-dbm-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-devel-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-devel-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-idle-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-idle-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-tk-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-tk-3.6.15-150300.10.37.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.3', 'sle-module-basesystem-release-15.3', 'sled-release-15.3', 'sles-release-15.3']},
    {'reference':'python3-tools-3.6.15-150300.10.37.2', 'sp':'4', 'release':'SLED15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-development-tools-release-15.4', 'sled-release-15.4', 'sles-release-15.4']},
    {'reference':'python3-tools-3.6.15-150300.10.37.2', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-development-tools-release-15.4', 'sled-release-15.4', 'sles-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, 'libpython3_6m1_0 / python3 / python3-base / python3-curses / etc');
}