openSUSE 16: ctdb / ctdb-pcp-pmda / ldb-tools / libldb-devel / libldb2 / etc (openSUSE-SU-2026:21475-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# openSUSE Security Update openSUSE-SU-2026:21475-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(331556);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/08/01");

  script_cve_id(
    "CVE-2026-6949",
    "CVE-2026-15779",
    "CVE-2026-58216",
    "CVE-2026-58218",
    "CVE-2026-58221",
    "CVE-2026-58222",
    "CVE-2026-58224"
  );
  script_xref(name:"IAVA", value:"2026-A-0794");

  script_name(english:"openSUSE 16: ctdb / ctdb-pcp-pmda / ldb-tools / libldb-devel / libldb2 / etc (openSUSE-SU-2026:21475-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the
openSUSE-SU-2026:21475-1 advisory.

    - CVE-2026-6949: TSIG packet with crafted name compression can crash internal DNS server (bsc#1271672).
    - CVE-2026-15779: `pam_winbind` module with `mkhomedir` set allows `chown` of critical system paths
    without validation
      (bsc#1271469).
    - CVE-2026-58216: 6-byte heap OOB read in packet parser of the `kpasswd` service (bsc#1271674).
    - CVE-2026-58218: DNS TKEY negotiation stores unauthenticated GSS contexts in a fixed FIFO before
    authentication
      completes (bsc#1271675).
    - CVE-2026-58221: authenticated LDAP access to internal LDB special DNs permits domain takeover
    (bsc#1271676).
    - CVE-2026-58222: LDAP Compare filter injection and trusted-request confusion disclose protected
    attributes
      (bsc#1271677).
    - CVE-2026-58224: heap OOB read due to unchecked packet length fields in CTDB (bsc#1271673).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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/1271469");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271672");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271673");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271674");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271675");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271676");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271677");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-15779");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58216");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58218");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58221");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58222");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58224");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-6949");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/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:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-58222");

  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:"2026/07/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/08/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ctdb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ctdb-pcp-pmda");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ldb-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libldb-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libldb2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python3-ldb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-ad-dc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-ad-dc-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-ceph");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-client-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-dcerpc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-dsdb-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-gpupdate");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-ldb-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-libs-python3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-python3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-test");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-tool");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-winbind");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:samba-winbind-libs");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:16.0");
  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) 2026 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, '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 (os_release !~ "^(SUSE16\.0)$") audit(AUDIT_OS_RELEASE_NOT, 'openSUSE', '16.0', os_release);
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':'ctdb-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ctdb-pcp-pmda-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'ldb-tools-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libldb-devel-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libldb2-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'python3-ldb-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-ad-dc-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-ad-dc-libs-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-ceph-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'cpu':'aarch64', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-ceph-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'cpu':'x86_64', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-client-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-client-libs-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-dcerpc-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-devel-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-dsdb-modules-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-gpupdate-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-ldb-ldap-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-libs-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-libs-python3-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-python3-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-test-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-tool-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-winbind-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'samba-winbind-libs-4.22.9+git.538.af6cb4fb2e-160000.1.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var _cpu = 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['cpu'])) cpu = package_array['cpu'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (rpm_check(release:_release, 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, 'ctdb / ctdb-pcp-pmda / ldb-tools / libldb-devel / libldb2 / etc');
}