Fedora 39 : firecracker / libkrun / rust-event-manager / rust-kvm-bindings / etc (2024-04877592b7)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2024-04877592b7
#

include('compat.inc');

if (description)
{
  script_id(190382);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/10");

  script_cve_id("CVE-2023-50711");
  script_xref(name:"FEDORA", value:"2024-04877592b7");

  script_name(english:"Fedora 39 : firecracker / libkrun / rust-event-manager / rust-kvm-bindings / etc (2024-04877592b7)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Fedora 39 host has packages installed that are affected by a vulnerability as referenced in the
FEDORA-2024-04877592b7 advisory.

  - vmm-sys-util is a collection of modules that provides helpers and utilities used by multiple rust-vmm
    components. Starting in version 0.5.0 and prior to version 0.12.0, an issue in the
    `FamStructWrapper::deserialize` implementation provided by the crate for
    `vmm_sys_util::fam::FamStructWrapper` can lead to out of bounds memory accesses. The deserialization does
    not check that the length stored in the header matches the flexible array length. Mismatch in the lengths
    might allow out of bounds memory access through Rust-safe methods. The issue was corrected in version
    0.12.0 by inserting a check that verifies the lengths of compared flexible arrays are equal for any
    deserialized header and aborting deserialization otherwise. Moreover, the API was changed so that header
    length can only be modified through Rust-unsafe code. This ensures that users cannot trigger out-of-bounds
    memory access from Rust-safe code. (CVE-2023-50711)

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://bodhi.fedoraproject.org/updates/FEDORA-2024-04877592b7");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:L/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-2023-50711");

  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:"2024/01/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/02/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/02/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:39");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:firecracker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libkrun");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-event-manager");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-kvm-bindings");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-kvm-ioctls");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-linux-loader");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-userfaultfd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-versionize");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-vhost");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-vhost-user-backend");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-virtio-queue");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-vm-memory");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-vm-superio");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:rust-vmm-sys-util");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:virtiofsd");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

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

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "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 os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Fedora' >!< os_release) audit(AUDIT_OS_NOT, 'Fedora');
var os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
os_ver = os_ver[1];
if (! preg(pattern:"^39([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Fedora 39', 'Fedora ' + 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, 'Fedora', cpu);

var pkgs = [
    {'reference':'firecracker-1.6.0-6.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libkrun-1.7.2-4.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-event-manager-0.4.0-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-kvm-bindings-0.7.0-1.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-kvm-ioctls-0.16.0-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-linux-loader-0.11.0-1.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-userfaultfd-0.8.1-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-versionize-0.2.0-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-vhost-0.10.0-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-vhost-user-backend-0.13.1-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-virtio-queue-0.11.0-1.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-vm-memory-0.14.0-1.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-vm-superio-0.7.0-4.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-vmm-sys-util-0.12.1-2.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'virtiofsd-1.10.1-1.fc39', 'release':'FC39', '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_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, 'firecracker / libkrun / rust-event-manager / rust-kvm-bindings / etc');
}