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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.ROCKY_LINUX_RLSA-2023-3593.NASL
HistoryAug 31, 2023 - 12:00 a.m.

Rocky Linux 8 : .NET 7.0 (RLSA-2023:3593)

2023-08-3100:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13
rocky linux 8
.net
visual studio
vulnerabilities
rlsa-2023:3593
elevation of privilege
denial of service
remote code execution
nuget client

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.01

Percentile

83.9%

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:3593 advisory.

  • .NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-24936)

  • .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability (CVE-2023-29331)

  • NuGet Client Remote Code Execution Vulnerability (CVE-2023-29337)

  • .NET and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-32032)

  • .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2023-33128)

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

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2023:3593.
##

include('compat.inc');

if (description)
{
  script_id(180385);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/31");

  script_cve_id(
    "CVE-2023-24936",
    "CVE-2023-29331",
    "CVE-2023-29337",
    "CVE-2023-32032",
    "CVE-2023-33128"
  );
  script_xref(name:"RLSA", value:"2023:3593");

  script_name(english:"Rocky Linux 8 : .NET 7.0 (RLSA-2023:3593)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Rocky Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
RLSA-2023:3593 advisory.

  - .NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-24936)

  - .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability (CVE-2023-29331)

  - NuGet Client Remote Code Execution Vulnerability (CVE-2023-29337)

  - .NET and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-32032)

  - .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2023-33128)

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://errata.rockylinux.org/RLSA-2023:3593");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2192438");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2212615");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2212617");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2212618");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2213703");
  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:R/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-2023-24936");

  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:"2023/06/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/08/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:aspnetcore-runtime-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:aspnetcore-targeting-pack-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-apphost-pack-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-apphost-pack-7.0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-host");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-host-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-hostfxr-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-hostfxr-7.0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-runtime-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-runtime-7.0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-sdk-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-sdk-7.0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-sdk-7.0-source-built-artifacts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-targeting-pack-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet-templates-7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:dotnet7.0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:netstandard-targeting-pack-2.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rocky:linux:8");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Rocky 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/local_checks_enabled", "Host/RockyLinux/release", "Host/RockyLinux/rpm-list", "Host/cpu");

  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/RockyLinux/release');
if (isnull(os_release) || 'Rocky Linux' >!< os_release) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_ver = pregmatch(pattern: "Rocky(?: Linux)? release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Rocky Linux 8.x', 'Rocky Linux ' + os_ver);

if (!get_kb_item('Host/RockyLinux/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, 'Rocky Linux', cpu);

var pkgs = [
    {'reference':'aspnetcore-runtime-7.0-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'aspnetcore-runtime-7.0-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'aspnetcore-targeting-pack-7.0-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'aspnetcore-targeting-pack-7.0-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-apphost-pack-7.0-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-apphost-pack-7.0-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-apphost-pack-7.0-debuginfo-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-apphost-pack-7.0-debuginfo-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-host-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-host-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-host-debuginfo-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-host-debuginfo-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-hostfxr-7.0-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-hostfxr-7.0-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-hostfxr-7.0-debuginfo-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-hostfxr-7.0-debuginfo-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-runtime-7.0-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-runtime-7.0-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-runtime-7.0-debuginfo-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-runtime-7.0-debuginfo-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-debuginfo-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-debuginfo-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-source-built-artifacts-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-sdk-7.0-source-built-artifacts-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-targeting-pack-7.0-7.0.7-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-targeting-pack-7.0-7.0.7-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-templates-7.0-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet-templates-7.0-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet7.0-debuginfo-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'dotnet7.0-debuginfo-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'netstandard-targeting-pack-2.1-7.0.107-1.el8_8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'netstandard-targeting-pack-2.1-7.0.107-1.el8_8', 'cpu':'x86_64', 'release':'8', '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 = 'Rocky-' + 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 && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
    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 / etc');
}

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.01

Percentile

83.9%