NewStart CGSL MAIN 7.02 : sssd Vulnerability (NS-SA-2025-0194)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from ZTE advisory NS-SA-2025-0194. The text
# itself is copyright (C) ZTE, Inc.
##

include('compat.inc');

if (description)
{
  script_id(242826);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/07/25");

  script_cve_id("CVE-2023-3758");

  script_name(english:"NewStart CGSL MAIN 7.02 : sssd Vulnerability (NS-SA-2025-0194)");

  script_set_attribute(attribute:"synopsis", value:
"The remote NewStart CGSL host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote NewStart CGSL host, running version MAIN 7.02, has sssd packages installed that are affected by a
vulnerability:

  - A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated
    users. This may lead to improper authorization issues, granting or denying access to resources
    inappropriately. (CVE-2023-3758)

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://security.gd-linux.com/notice/NS-SA-2025-0194");
  script_set_attribute(attribute:"see_also", value:"https://security.gd-linux.com/info/CVE-2023-3758");
  script_set_attribute(attribute:"solution", value:
"Upgrade the vulnerable CGSL sssd packages. Note that updated packages may not be available yet. Please contact ZTE for
more information.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:H/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:H/PR:L/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-2023-3758");

  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:"2024/04/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/07/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/25");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libipa_hbac");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libsss_autofs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libsss_certmap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libsss_idmap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libsss_nss_idmap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libsss_sudo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:python3-sssdconfig");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-ad");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-common-pac");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-ipa");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-krb5-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-nfs-idmap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:sssd-proxy");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_main:7");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/ZTE-CGSL/release", "Host/ZTE-CGSL/rpm-list", "Host/cpu");

  exit(0);
}

include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var os_release = get_kb_item('Host/ZTE-CGSL/release');
if (isnull(os_release) || os_release !~ "^CGSL (MAIN|CORE)") audit(AUDIT_OS_NOT, 'NewStart Carrier Grade Server Linux');

if (os_release !~ "CGSL\sMAIN\s7\.02")
  audit(AUDIT_OS_NOT, 'NewStart CGSL MAIN 7.02');

if (!get_kb_item('Host/ZTE-CGSL/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$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'NewStart Carrier Grade Server Linux', cpu);

var flag = 0;

var pkgs = {
  'CGSL MAIN 7.02': [
    'libipa_hbac-2.9.4-2.zncgsl7.2',
    'libsss_autofs-2.9.4-2.zncgsl7.2',
    'libsss_certmap-2.9.4-2.zncgsl7.2',
    'libsss_idmap-2.9.4-2.zncgsl7.2',
    'libsss_nss_idmap-2.9.4-2.zncgsl7.2',
    'libsss_sudo-2.9.4-2.zncgsl7.2',
    'python3-sssdconfig-2.9.4-2.zncgsl7.2',
    'sssd-2.9.4-2.zncgsl7.2',
    'sssd-ad-2.9.4-2.zncgsl7.2',
    'sssd-client-2.9.4-2.zncgsl7.2',
    'sssd-common-2.9.4-2.zncgsl7.2',
    'sssd-common-pac-2.9.4-2.zncgsl7.2',
    'sssd-ipa-2.9.4-2.zncgsl7.2',
    'sssd-krb5-2.9.4-2.zncgsl7.2',
    'sssd-krb5-common-2.9.4-2.zncgsl7.2',
    'sssd-ldap-2.9.4-2.zncgsl7.2',
    'sssd-nfs-idmap-2.9.4-2.zncgsl7.2',
    'sssd-proxy-2.9.4-2.zncgsl7.2'
  ]
};
var pkg_list = pkgs[os_release];
var pkg;
foreach (pkg in pkg_list)
  if (rpm_check(reference:pkg, release:'ZTE ' + os_release, rpm_spec_vers_cmp:TRUE)) 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, 'sssd');
}