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nessusThis script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2022-4626-1.NASL
HistoryDec 28, 2022 - 12:00 a.m.

SUSE SLES15 Security Update : freeradius-server (SUSE-SU-2022:4626-1)

2022-12-2800:00:00
This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

51.0%

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4626-1 advisory.

  • In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allows an attacker to substantially reduce the size of an offline dictionary attack. (CVE-2022-41859)

  • In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Instead, it will dereference a NULL pointer, and cause the server to crash. (CVE-2022-41860)

  • A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribute which can cause the server to crash. (CVE-2022-41861)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2022:4626-1. The text itself
# is copyright (C) SUSE.
##

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

if (description)
{
  script_id(169354);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/14");

  script_cve_id("CVE-2022-41859", "CVE-2022-41860", "CVE-2022-41861");
  script_xref(name:"SuSE", value:"SUSE-SU-2022:4626-1");

  script_name(english:"SUSE SLES15 Security Update : freeradius-server (SUSE-SU-2022:4626-1)");

  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 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as
referenced in the SUSE-SU-2022:4626-1 advisory.

  - In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which
    allows an attacker to substantially reduce the size of an offline dictionary attack. (CVE-2022-41859)

  - In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that
    option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that
    failure. Instead, it will dereference a NULL pointer, and cause the server to crash. (CVE-2022-41860)

  - A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary
    attribute which can cause the server to crash. (CVE-2022-41861)

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/1206204");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1206205");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1206206");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-41859");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-41860");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-41861");
  # https://lists.suse.com/pipermail/sle-security-updates/2022-December/013349.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?19ed09a4");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N");
  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:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-41859");

  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:"2022/12/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/12/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/12/28");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-perl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-postgresql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-python3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-sqlite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:freeradius-server-utils");
  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) 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:"^(SLES15|SLES_SAP15)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE 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 == "SLES15" && (! preg(pattern:"^(4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP4", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP15" && (! preg(pattern:"^(4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP15 SP4", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'freeradius-server-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-devel-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-krb5-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-ldap-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-libs-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-mysql-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-perl-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-postgresql-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-python3-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-sqlite-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-utils-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
    {'reference':'freeradius-server-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-devel-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-krb5-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-ldap-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-libs-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-mysql-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-perl-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-postgresql-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-python3-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-sqlite-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-release-15.4', 'sles-release-15.4']},
    {'reference':'freeradius-server-utils-3.0.25-150400.4.4.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.4', 'sle-module-server-applications-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_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, 'freeradius-server / freeradius-server-devel / etc');
}
VendorProductVersionCPE
novellsuse_linuxfreeradius-serverp-cpe:/a:novell:suse_linux:freeradius-server
novellsuse_linuxfreeradius-server-develp-cpe:/a:novell:suse_linux:freeradius-server-devel
novellsuse_linuxfreeradius-server-krb5p-cpe:/a:novell:suse_linux:freeradius-server-krb5
novellsuse_linuxfreeradius-server-ldapp-cpe:/a:novell:suse_linux:freeradius-server-ldap
novellsuse_linuxfreeradius-server-libsp-cpe:/a:novell:suse_linux:freeradius-server-libs
novellsuse_linuxfreeradius-server-mysqlp-cpe:/a:novell:suse_linux:freeradius-server-mysql
novellsuse_linuxfreeradius-server-perlp-cpe:/a:novell:suse_linux:freeradius-server-perl
novellsuse_linuxfreeradius-server-postgresqlp-cpe:/a:novell:suse_linux:freeradius-server-postgresql
novellsuse_linuxfreeradius-server-python3p-cpe:/a:novell:suse_linux:freeradius-server-python3
novellsuse_linuxfreeradius-server-sqlitep-cpe:/a:novell:suse_linux:freeradius-server-sqlite
Rows per page:
1-10 of 121

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

51.0%