Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : OpenJDK 8 vulnerabilities (USN-6696-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-6696-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##

include('compat.inc');

if (description)
{
  script_id(192188);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/27");

  script_cve_id(
    "CVE-2024-20918",
    "CVE-2024-20919",
    "CVE-2024-20921",
    "CVE-2024-20926",
    "CVE-2024-20945",
    "CVE-2024-20952"
  );
  script_xref(name:"USN", value:"6696-1");

  script_name(english:"Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : OpenJDK 8 vulnerabilities (USN-6696-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple
vulnerabilities as referenced in the USN-6696-1 advisory.

    Yi Yang discovered that the Hotspot component of OpenJDK 8 incorrectly handled array accesses in the C1
    compiler. An attacker could possibly use this issue to cause a denial of service, execute arbitrary code
    or bypass Java sandbox restrictions. (CVE-2024-20918)

    It was discovered that the Hotspot component of OpenJDK 8 did not properly verify bytecode in certain
    situations. An attacker could possibly use this issue to bypass Java sandbox restrictions.
    (CVE-2024-20919)

    It was discovered that the Hotspot component of OpenJDK 8 had an optimization flaw when generating range
    check loop predicates. An attacker could possibly use this issue to cause a denial of service, execute
    arbitrary code or bypass Java sandbox restrictions. (CVE-2024-20921)

    Valentin Eudeline discovered that OpenJDK 8 incorrectly handled certain options in the Nashorn JavaScript
    subcomponent. An attacker could possibly use this issue to execute arbitrary code. (CVE-2024-20926)

    It was discovered that OpenJDK 8 could produce debug logs that contained private keys used for digital
    signatures. An attacker could possibly use this issue to obtain sensitive information. (CVE-2024-20945)

    Hubert Kario discovered that the TLS implementation in OpenJDK 8 had a timing side-channel and incorrectly
    handled RSA padding. A remote attacker could possibly use this issue to recover sensitive information.
    (CVE-2024-20952)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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://ubuntu.com/security/notices/USN-6696-1");
  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:N");
  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:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-20952");

  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:"2024/01/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/03/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:23.10");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-demo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jdk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jdk-headless");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre-headless");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre-zero");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:openjdk-8-source");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"Ubuntu Security Notice (C) 2024 Canonical, Inc. / NASL script (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "ubuntu_pro_sub_detect.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('debian_package.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('18.04' >< os_release || '20.04' >< os_release || '22.04' >< os_release || '23.10' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 18.04 / 20.04 / 22.04 / 23.10', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) 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, 'Ubuntu', cpu);
var ubuntu_pro_detected = get_kb_item('Host/Ubuntu/Pro/Services/esm-apps');
ubuntu_pro_detected = !empty_or_null(ubuntu_pro_detected);

var pro_caveat_needed = FALSE;

var pkgs = [
    {'osver': '18.04', 'pkgname': 'openjdk-8-demo', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '18.04', 'pkgname': 'openjdk-8-jdk', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '18.04', 'pkgname': 'openjdk-8-jdk-headless', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '18.04', 'pkgname': 'openjdk-8-jre', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '18.04', 'pkgname': 'openjdk-8-jre-headless', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '18.04', 'pkgname': 'openjdk-8-jre-zero', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '18.04', 'pkgname': 'openjdk-8-source', 'pkgver': '8u402-ga-2ubuntu1~18.04', 'ubuntu_pro': TRUE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-demo', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-jdk', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-jdk-headless', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-jre', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-jre-headless', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-jre-zero', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '20.04', 'pkgname': 'openjdk-8-source', 'pkgver': '8u402-ga-2ubuntu1~20.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-demo', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-jdk', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-jdk-headless', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-jre', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-jre-headless', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-jre-zero', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '22.04', 'pkgname': 'openjdk-8-source', 'pkgver': '8u402-ga-2ubuntu1~22.04', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-demo', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-jdk', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-jdk-headless', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-jre', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-jre-headless', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-jre-zero', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE},
    {'osver': '23.10', 'pkgname': 'openjdk-8-source', 'pkgver': '8u402-ga-2ubuntu1~23.10.1', 'ubuntu_pro': FALSE}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  var pro_required = NULL;
  if (!empty_or_null(package_array['ubuntu_pro'])) pro_required = package_array['ubuntu_pro'];
  if (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) {
        flag++;
        if (!ubuntu_pro_detected && !pro_caveat_needed) pro_caveat_needed = pro_required;
    }
  }
}

if (flag)
{
  var extra = '';
  if (pro_caveat_needed) {
    extra += 'NOTE: This vulnerability check contains fixes that apply to packages only \n';
    extra += 'available in Ubuntu ESM repositories. Access to these package security updates \n';
    extra += 'require an Ubuntu Pro subscription.\n\n';
  }
  extra += ubuntu_report_get();
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : extra
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'openjdk-8-demo / openjdk-8-jdk / openjdk-8-jdk-headless / etc');
}