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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2020-0218.NASL
HistoryJan 27, 2020 - 12:00 a.m.

RHEL 7 / 8 : Ansible security update (2.9.4) (Moderate) (RHSA-2020:0218)

2020-01-2700:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
24

CVSS2

6.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:C/I:P/A:P

CVSS3

7.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

17.7%

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:0218 advisory.

Ansible is a simple model-driven configuration management, multi-node     deployment, and remote-task execution system. Ansible works over SSH and     does not require any software or daemons to be installed on remote nodes.
Extension modules can be written in any language and are transferred to     managed machines automatically.

The following packages have been upgraded to a newer upstream version:
ansible (2.9.4)

Bug Fix(es):
* CVE-2019-14904 Ansible: vulnerability in solaris_zone module via crafted     solaris zone
* CVE-2019-14905 Ansible: malicious code could craft filename in     nxos_file_copy module

See:
https://github.com/ansible/ansible/blob/v2.9.4/changelogs/CHANGELOG-v2.9.rst     for details on bug fixes in this release.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2020:0218. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(133249);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/03");

  script_cve_id("CVE-2019-14904", "CVE-2019-14905");
  script_xref(name:"RHSA", value:"2020:0218");

  script_name(english:"RHEL 7 / 8 : Ansible security update (2.9.4) (Moderate) (RHSA-2020:0218)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for Ansible.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2020:0218 advisory.

    Ansible is a simple model-driven configuration management, multi-node
    deployment, and remote-task execution system. Ansible works over SSH and
    does not require any software or daemons to be installed on remote nodes.
    Extension modules can be written in any language and are transferred to
    managed machines automatically.

    The following packages have been upgraded to a newer upstream version:
    ansible (2.9.4)

    Bug Fix(es):
    * CVE-2019-14904 Ansible: vulnerability in solaris_zone module via crafted
    solaris zone
    * CVE-2019-14905 Ansible: malicious code could craft filename in
    nxos_file_copy module

    See:
    https://github.com/ansible/ansible/blob/v2.9.4/changelogs/CHANGELOG-v2.9.rst
    for details on bug fixes in this release.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_0218.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a688469f");
  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-2020:0218");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1776943");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1776944");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL Ansible package based on the guidance in RHSA-2020:0218.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/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:L/AC:L/PR:H/UI:N/S:C/C:H/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-2019-14904");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(73, 78);
  script_set_attribute(attribute:"vendor_severity", value:"Moderate");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/27");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ansible");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ansible-test");
  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) 2020-2024 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_list(operator: 'ge', os_version: os_ver, rhel_versions: ['7','8'])) audit(AUDIT_OS_NOT, 'Red Hat 7.x / 8.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/layered/rhel8/aarch64/ansible/2/debug',
      'content/dist/layered/rhel8/aarch64/ansible/2/os',
      'content/dist/layered/rhel8/aarch64/ansible/2/source/SRPMS',
      'content/dist/layered/rhel8/ppc64le/ansible/2/debug',
      'content/dist/layered/rhel8/ppc64le/ansible/2/os',
      'content/dist/layered/rhel8/ppc64le/ansible/2/source/SRPMS',
      'content/dist/layered/rhel8/s390x/ansible/2/debug',
      'content/dist/layered/rhel8/s390x/ansible/2/os',
      'content/dist/layered/rhel8/s390x/ansible/2/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/ansible/2/debug',
      'content/dist/layered/rhel8/x86_64/ansible/2/os',
      'content/dist/layered/rhel8/x86_64/ansible/2/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'ansible-2.9.4-1.el8ae', 'release':'8', 'el_string':'el8ae', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'ansible-2'},
      {'reference':'ansible-test-2.9.4-1.el8ae', 'release':'8', 'el_string':'el8ae', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'ansible-2'}
    ]
  },
  {
    'repo_relative_urls': [
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/ansible/2/debug',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/ansible/2/os',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/ansible/2/source/SRPMS',
      'content/dist/rhel/power-le/7/7Server/ppc64le/ansible/2/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/ansible/2/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/ansible/2/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/ansible/2/debug',
      'content/dist/rhel/server/7/7Server/x86_64/ansible/2/os',
      'content/dist/rhel/server/7/7Server/x86_64/ansible/2/source/SRPMS',
      'content/dist/rhel/system-z/7/7Server/s390x/ansible/2/debug',
      'content/dist/rhel/system-z/7/7Server/s390x/ansible/2/os',
      'content/dist/rhel/system-z/7/7Server/s390x/ansible/2/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'ansible-2.9.4-1.el7ae', 'release':'7', 'el_string':'el7ae', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'ansible-2'},
      {'reference':'ansible-test-2.9.4-1.el7ae', 'release':'7', 'el_string':'el7ae', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'ansible-2'}
    ]
  }
];

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, 'ansible / ansible-test');
}
VendorProductVersionCPE
redhatenterprise_linuxansible-testp-cpe:/a:redhat:enterprise_linux:ansible-test
redhatenterprise_linuxansiblep-cpe:/a:redhat:enterprise_linux:ansible
redhatenterprise_linux8cpe:/o:redhat:enterprise_linux:8
redhatenterprise_linux7cpe:/o:redhat:enterprise_linux:7

CVSS2

6.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:C/I:P/A:P

CVSS3

7.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

17.7%