Lucene search

K
nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.ORACLELINUX_ELSA-2023-4057.NASL
HistoryJul 20, 2023 - 12:00 a.m.

Oracle Linux 9 : .NET / 7.0 (ELSA-2023-4057)

2023-07-2000:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
7
oracle linux 9
.net
asp.net
visual studio
security
vulnerability
update

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

45.7%

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-4057 advisory.

  • ASP.NET and Visual Studio Security Feature Bypass Vulnerability (CVE-2023-33170)

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 Oracle Linux Security Advisory ELSA-2023-4057.
##

include('compat.inc');

if (description)
{
  script_id(178581);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/20");

  script_cve_id("CVE-2023-33170");

  script_name(english:"Oracle Linux 9 : .NET / 7.0 (ELSA-2023-4057)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the
ELSA-2023-4057 advisory.

  - ASP.NET and Visual Studio Security Feature Bypass Vulnerability (CVE-2023-33170)

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://linux.oracle.com/errata/ELSA-2023-4057.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/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:H/PR:N/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-2023-33170");

  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:"2023/07/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/07/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/07/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:linux:9::appstream");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:linux:9::codeready_builder");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:aspnetcore-runtime-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:aspnetcore-targeting-pack-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-apphost-pack-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-host");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-hostfxr-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-runtime-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-sdk-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-sdk-7.0-source-built-artifacts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-targeting-pack-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dotnet-templates-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:netstandard-targeting-pack-2.1");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^9([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 9', 'Oracle 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$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);

var pkgs = [
    {'reference':'aspnetcore-runtime-7.0-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'aspnetcore-targeting-pack-7.0-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-apphost-pack-7.0-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-host-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-hostfxr-7.0-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-runtime-7.0-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-7.0.109-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-source-built-artifacts-7.0.109-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-targeting-pack-7.0-7.0.9-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-templates-7.0-7.0.109-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'netstandard-targeting-pack-2.1-7.0.109-1.0.1.el9_2', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'aspnetcore-runtime-7.0-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'aspnetcore-targeting-pack-7.0-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-apphost-pack-7.0-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-host-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-hostfxr-7.0-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-runtime-7.0-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-7.0.109-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-source-built-artifacts-7.0.109-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-targeting-pack-7.0-7.0.9-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-templates-7.0-7.0.109-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'netstandard-targeting-pack-2.1-7.0.109-1.0.1.el9_2', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach var 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;
  var exists_check = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = 'EL' + 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 (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && _release) {
    if (exists_check) {
        if (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)) flag++;
    } else {
        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_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, 'aspnetcore-runtime-7.0 / aspnetcore-targeting-pack-7.0 / dotnet-apphost-pack-7.0 / etc');
}
VendorProductVersionCPE
oraclelinux9cpe:/a:oracle:linux:9::appstream
oraclelinux9cpe:/a:oracle:linux:9::codeready_builder
oraclelinux9cpe:/o:oracle:linux:9
oraclelinuxaspnetcore-runtime-7.0p-cpe:/a:oracle:linux:aspnetcore-runtime-7.0
oraclelinuxaspnetcore-targeting-pack-7.0p-cpe:/a:oracle:linux:aspnetcore-targeting-pack-7.0
oraclelinuxdotnet-apphost-pack-7.0p-cpe:/a:oracle:linux:dotnet-apphost-pack-7.0
oraclelinuxdotnet-hostp-cpe:/a:oracle:linux:dotnet-host
oraclelinuxdotnet-hostfxr-7.0p-cpe:/a:oracle:linux:dotnet-hostfxr-7.0
oraclelinuxdotnet-runtime-7.0p-cpe:/a:oracle:linux:dotnet-runtime-7.0
oraclelinuxdotnet-sdk-7.0p-cpe:/a:oracle:linux:dotnet-sdk-7.0
Rows per page:
1-10 of 141

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

45.7%