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nessusThis script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.SL_20220908_OPEN_VM_TOOLS_ON_SL7_X.NASL
HistorySep 08, 2022 - 12:00 a.m.

Scientific Linux Security Update : open-vm-tools on SL7.x x86_64 (2022:6381)

2022-09-0800:00:00
This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
15

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.2%

The remote Scientific Linux 7 host has packages installed that are affected by a vulnerability as referenced in the SLSA-2022:6381-1 advisory.

  • open-vm-tools: local root privilege escalation in the virtual machine (CVE-2022-31676)

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 is (C) Scientific Linux.
#

include('compat.inc');

if (description)
{
  script_id(164889);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/05");

  script_cve_id("CVE-2022-31676");
  script_xref(name:"RHSA", value:"RHSA-2022:6381");

  script_name(english:"Scientific Linux Security Update : open-vm-tools on SL7.x x86_64 (2022:6381)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Scientific Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Scientific Linux 7 host has packages installed that are affected by a vulnerability as referenced in the
SLSA-2022:6381-1 advisory.

  - open-vm-tools: local root privilege escalation in the virtual machine (CVE-2022-31676)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.scientificlinux.org/category/sl-errata/slsa-20226381-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/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:L/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-2022-31676");

  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:"2022/08/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/09/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/09/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fermilab:scientific_linux");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:open-vm-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:open-vm-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:open-vm-tools-desktop");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:open-vm-tools-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:open-vm-tools-test");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Scientific Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2022 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/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var release = get_kb_item('Host/RedHat/release');
if (isnull(release) || 'Scientific Linux' >!< release) audit(AUDIT_OS_NOT, 'Scientific Linux');
var os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Scientific Linux');
var os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Scientific Linux 7.x', 'Scientific Linux ' + 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) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Scientific Linux', cpu);

var pkgs = [
    {'reference':'open-vm-tools-11.0.5-3.el7_9.4', 'cpu':'x86_64', 'release':'SL7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'open-vm-tools-debuginfo-11.0.5-3.el7_9.4', 'cpu':'x86_64', 'release':'SL7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'open-vm-tools-desktop-11.0.5-3.el7_9.4', 'cpu':'x86_64', 'release':'SL7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'open-vm-tools-devel-11.0.5-3.el7_9.4', 'cpu':'x86_64', 'release':'SL7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'open-vm-tools-test-11.0.5-3.el7_9.4', 'cpu':'x86_64', 'release':'SL7', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach package_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;
  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['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (reference && release) {
    if (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)) 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, 'open-vm-tools / open-vm-tools-debuginfo / open-vm-tools-desktop / etc');
}
VendorProductVersionCPE
fermilabscientific_linuxcpe:/o:fermilab:scientific_linux
fermilabscientific_linuxopen-vm-toolsp-cpe:/a:fermilab:scientific_linux:open-vm-tools
fermilabscientific_linuxopen-vm-tools-debuginfop-cpe:/a:fermilab:scientific_linux:open-vm-tools-debuginfo
fermilabscientific_linuxopen-vm-tools-desktopp-cpe:/a:fermilab:scientific_linux:open-vm-tools-desktop
fermilabscientific_linuxopen-vm-tools-develp-cpe:/a:fermilab:scientific_linux:open-vm-tools-devel
fermilabscientific_linuxopen-vm-tools-testp-cpe:/a:fermilab:scientific_linux:open-vm-tools-test

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.2%