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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.ORACLELINUX_ELSA-2023-0021.NASL
HistoryJan 05, 2023 - 12:00 a.m.

Oracle Linux 9 : webkit2gtk3 (ELSA-2023-0021)

2023-01-0500:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
20
oracle linux 9
webkit2gtk3
type confusion
vulnerability
elsa-2023-0021
safari
tvos
macos ventura
ios
ipados
arbitrary code execution
cve-2022-42856
nessus scanner

EPSS

0.008

Percentile

81.6%

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-0021 advisory.

  • A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1… (CVE-2022-42856)

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-2023-0021.
##

include('compat.inc');

if (description)
{
  script_id(169527);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/15");

  script_cve_id("CVE-2022-42856");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/01/04");

  script_name(english:"Oracle Linux 9 : webkit2gtk3 (ELSA-2023-0021)");

  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-2023-0021 advisory.

  - A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2,
    tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted
    web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been
    actively exploited against versions of iOS released before iOS 15.1.. (CVE-2022-42856)

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-2023-0021.html");
  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:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-42856");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/12/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/01/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/01/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:webkit2gtk3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:webkit2gtk3-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:webkit2gtk3-jsc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:webkit2gtk3-jsc-devel");
  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':'webkit2gtk3-2.36.7-1.el9_1.1', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-devel-2.36.7-1.el9_1.1', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-jsc-2.36.7-1.el9_1.1', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-2.36.7-1.el9_1.1', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-devel-2.36.7-1.el9_1.1', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-jsc-2.36.7-1.el9_1.1', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1', 'cpu':'i686', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-2.36.7-1.el9_1.1', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-devel-2.36.7-1.el9_1.1', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-jsc-2.36.7-1.el9_1.1', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1', '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, 'webkit2gtk3 / webkit2gtk3-devel / webkit2gtk3-jsc / etc');
}