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nessusThis script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2022-8318.NASL
HistoryNov 16, 2022 - 12:00 a.m.

RHEL 9 : libldb (RHSA-2022:8318)

2022-11-1600:00:00
This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
15
red hat
rhel 9
libldb
security update
samba
vulnerability
cve-2022-32746
use-after-free
ldap
nessus
package
moderate
update

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

31.6%

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:8318 advisory.

  • samba: AD users can induce a use-after-free in the server process with an LDAP add or modify request (CVE-2022-32746)

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

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2022:8318. The text
# itself is copyright (C) Red Hat, Inc.
##

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

if (description)
{
  script_id(167599);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/28");

  script_cve_id("CVE-2022-32746");
  script_xref(name:"RHSA", value:"2022:8318");

  script_name(english:"RHEL 9 : libldb (RHSA-2022:8318)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2022:8318 advisory.

  - samba: AD users can induce a use-after-free in the server process with an LDAP add or modify request
    (CVE-2022-32746)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1f1eb6cc");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2022/rhsa-2022_8318.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?259d239b");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#moderate");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2022:8318");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2077490");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2108215");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P");
  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:N/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-32746");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(416);
  script_set_attribute(attribute:"vendor_severity", value:"Moderate");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/07/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/11/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/11/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ldb-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libldb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libldb-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-ldb");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm.inc');
include('rhel.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '9')) audit(AUDIT_OS_NOT, 'Red Hat 9.x', 'Red Hat ' + os_ver);

if (!get_kb_item('Host/RedHat/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 && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

var constraints = [
  {
    'repo_relative_urls': [
      'content/dist/rhel9/9.1/aarch64/baseos/debug',
      'content/dist/rhel9/9.1/aarch64/baseos/os',
      'content/dist/rhel9/9.1/aarch64/baseos/source/SRPMS',
      'content/dist/rhel9/9.1/aarch64/codeready-builder/debug',
      'content/dist/rhel9/9.1/aarch64/codeready-builder/os',
      'content/dist/rhel9/9.1/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.1/ppc64le/baseos/debug',
      'content/dist/rhel9/9.1/ppc64le/baseos/os',
      'content/dist/rhel9/9.1/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel9/9.1/ppc64le/codeready-builder/debug',
      'content/dist/rhel9/9.1/ppc64le/codeready-builder/os',
      'content/dist/rhel9/9.1/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.1/s390x/baseos/debug',
      'content/dist/rhel9/9.1/s390x/baseos/os',
      'content/dist/rhel9/9.1/s390x/baseos/source/SRPMS',
      'content/dist/rhel9/9.1/s390x/codeready-builder/debug',
      'content/dist/rhel9/9.1/s390x/codeready-builder/os',
      'content/dist/rhel9/9.1/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.1/x86_64/baseos/debug',
      'content/dist/rhel9/9.1/x86_64/baseos/os',
      'content/dist/rhel9/9.1/x86_64/baseos/source/SRPMS',
      'content/dist/rhel9/9.1/x86_64/codeready-builder/debug',
      'content/dist/rhel9/9.1/x86_64/codeready-builder/os',
      'content/dist/rhel9/9.1/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.2/aarch64/baseos/debug',
      'content/dist/rhel9/9.2/aarch64/baseos/os',
      'content/dist/rhel9/9.2/aarch64/baseos/source/SRPMS',
      'content/dist/rhel9/9.2/aarch64/codeready-builder/debug',
      'content/dist/rhel9/9.2/aarch64/codeready-builder/os',
      'content/dist/rhel9/9.2/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.2/ppc64le/baseos/debug',
      'content/dist/rhel9/9.2/ppc64le/baseos/os',
      'content/dist/rhel9/9.2/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel9/9.2/ppc64le/codeready-builder/debug',
      'content/dist/rhel9/9.2/ppc64le/codeready-builder/os',
      'content/dist/rhel9/9.2/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.2/s390x/baseos/debug',
      'content/dist/rhel9/9.2/s390x/baseos/os',
      'content/dist/rhel9/9.2/s390x/baseos/source/SRPMS',
      'content/dist/rhel9/9.2/s390x/codeready-builder/debug',
      'content/dist/rhel9/9.2/s390x/codeready-builder/os',
      'content/dist/rhel9/9.2/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.2/x86_64/baseos/debug',
      'content/dist/rhel9/9.2/x86_64/baseos/os',
      'content/dist/rhel9/9.2/x86_64/baseos/source/SRPMS',
      'content/dist/rhel9/9.2/x86_64/codeready-builder/debug',
      'content/dist/rhel9/9.2/x86_64/codeready-builder/os',
      'content/dist/rhel9/9.2/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.3/aarch64/baseos/debug',
      'content/dist/rhel9/9.3/aarch64/baseos/os',
      'content/dist/rhel9/9.3/aarch64/baseos/source/SRPMS',
      'content/dist/rhel9/9.3/aarch64/codeready-builder/debug',
      'content/dist/rhel9/9.3/aarch64/codeready-builder/os',
      'content/dist/rhel9/9.3/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.3/ppc64le/baseos/debug',
      'content/dist/rhel9/9.3/ppc64le/baseos/os',
      'content/dist/rhel9/9.3/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel9/9.3/ppc64le/codeready-builder/debug',
      'content/dist/rhel9/9.3/ppc64le/codeready-builder/os',
      'content/dist/rhel9/9.3/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.3/s390x/baseos/debug',
      'content/dist/rhel9/9.3/s390x/baseos/os',
      'content/dist/rhel9/9.3/s390x/baseos/source/SRPMS',
      'content/dist/rhel9/9.3/s390x/codeready-builder/debug',
      'content/dist/rhel9/9.3/s390x/codeready-builder/os',
      'content/dist/rhel9/9.3/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.3/x86_64/baseos/debug',
      'content/dist/rhel9/9.3/x86_64/baseos/os',
      'content/dist/rhel9/9.3/x86_64/baseos/source/SRPMS',
      'content/dist/rhel9/9.3/x86_64/codeready-builder/debug',
      'content/dist/rhel9/9.3/x86_64/codeready-builder/os',
      'content/dist/rhel9/9.3/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.4/aarch64/baseos/debug',
      'content/dist/rhel9/9.4/aarch64/baseos/os',
      'content/dist/rhel9/9.4/aarch64/baseos/source/SRPMS',
      'content/dist/rhel9/9.4/aarch64/codeready-builder/debug',
      'content/dist/rhel9/9.4/aarch64/codeready-builder/os',
      'content/dist/rhel9/9.4/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.4/ppc64le/baseos/debug',
      'content/dist/rhel9/9.4/ppc64le/baseos/os',
      'content/dist/rhel9/9.4/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel9/9.4/ppc64le/codeready-builder/debug',
      'content/dist/rhel9/9.4/ppc64le/codeready-builder/os',
      'content/dist/rhel9/9.4/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.4/s390x/baseos/debug',
      'content/dist/rhel9/9.4/s390x/baseos/os',
      'content/dist/rhel9/9.4/s390x/baseos/source/SRPMS',
      'content/dist/rhel9/9.4/s390x/codeready-builder/debug',
      'content/dist/rhel9/9.4/s390x/codeready-builder/os',
      'content/dist/rhel9/9.4/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9.4/x86_64/baseos/debug',
      'content/dist/rhel9/9.4/x86_64/baseos/os',
      'content/dist/rhel9/9.4/x86_64/baseos/source/SRPMS',
      'content/dist/rhel9/9.4/x86_64/codeready-builder/debug',
      'content/dist/rhel9/9.4/x86_64/codeready-builder/os',
      'content/dist/rhel9/9.4/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9/aarch64/baseos/debug',
      'content/dist/rhel9/9/aarch64/baseos/os',
      'content/dist/rhel9/9/aarch64/baseos/source/SRPMS',
      'content/dist/rhel9/9/aarch64/codeready-builder/debug',
      'content/dist/rhel9/9/aarch64/codeready-builder/os',
      'content/dist/rhel9/9/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9/ppc64le/baseos/debug',
      'content/dist/rhel9/9/ppc64le/baseos/os',
      'content/dist/rhel9/9/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel9/9/ppc64le/codeready-builder/debug',
      'content/dist/rhel9/9/ppc64le/codeready-builder/os',
      'content/dist/rhel9/9/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9/s390x/baseos/debug',
      'content/dist/rhel9/9/s390x/baseos/os',
      'content/dist/rhel9/9/s390x/baseos/source/SRPMS',
      'content/dist/rhel9/9/s390x/codeready-builder/debug',
      'content/dist/rhel9/9/s390x/codeready-builder/os',
      'content/dist/rhel9/9/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9/x86_64/baseos/debug',
      'content/dist/rhel9/9/x86_64/baseos/os',
      'content/dist/rhel9/9/x86_64/baseos/source/SRPMS',
      'content/dist/rhel9/9/x86_64/codeready-builder/debug',
      'content/dist/rhel9/9/x86_64/codeready-builder/os',
      'content/dist/rhel9/9/x86_64/codeready-builder/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'ldb-tools-2.5.2-1.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libldb-2.5.2-1.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libldb-devel-2.5.2-1.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-ldb-2.5.2-1.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
foreach var constraint_array ( constraints ) {
  var repo_relative_urls = NULL;
  if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
  foreach var pkg ( constraint_array['pkgs'] ) {
    var reference = NULL;
    var _release = NULL;
    var sp = NULL;
    var _cpu = NULL;
    var el_string = NULL;
    var rpm_spec_vers_cmp = NULL;
    var epoch = NULL;
    var allowmaj = NULL;
    var exists_check = NULL;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        _release &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
        rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'ldb-tools / libldb / libldb-devel / python3-ldb');
}

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

31.6%