Oracle Java SE 1.7.0_271 / 1.8.0_261 / 1.11.0_8 / 1.14.0_2 Multiple Vulnerabilities (Jul 2020 CPU)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(138522);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/12");

  script_cve_id(
    "CVE-2020-14556",
    "CVE-2020-14562",
    "CVE-2020-14573",
    "CVE-2020-14577",
    "CVE-2020-14578",
    "CVE-2020-14579",
    "CVE-2020-14581",
    "CVE-2020-14583",
    "CVE-2020-14593",
    "CVE-2020-14621",
    "CVE-2020-14664"
  );
  script_xref(name:"IAVA", value:"2020-A-0322-S");

  script_name(english:"Oracle Java SE 1.7.0_271 / 1.8.0_261 / 1.11.0_8 / 1.14.0_2 Multiple Vulnerabilities (Jul 2020 CPU)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by multiple vulnerabilities");
  script_set_attribute(attribute:"description", value:
"The version of Oracle (formerly Sun) Java SE or Java for Business installed on the remote host is prior to 7 Update
271, 8 Update 261, 11 Update 8, or 14 Update 2. It is, therefore, affected by multiple vulnerabilities related to the
following components as referenced in the July 2020 CPU advisory:

  - Vulnerability in the Java SE product of Oracle Java SE (component: JavaFX). The supported version that is
    affected is Java SE: 8u251. Difficult to exploit vulnerability allows unauthenticated attacker with
    network access via multiple protocols to compromise Java SE. Successful attacks require human interaction
    from a person other than the attacker and while the vulnerability is in Java SE, attacks may significantly
    impact additional products. Successful attacks of this vulnerability can result in takeover of Java SE.
    Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web
    Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from
    the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java
    deployments, typically in servers, that load and run only trusted code (e.g., code installed by an
    administrator). (CVE-2020-14664)

  - Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). Supported
    versions that are affected are Java SE: 7u261, 8u251, 11.0.7 and 14.0.1; Java SE Embedded: 8u251.
    Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple
    protocols to compromise Java SE, Java SE Embedded. Successful attacks require human interaction from a
    person other than the attacker and while the vulnerability is in Java SE, Java SE Embedded, attacks may
    significantly impact additional products. Successful attacks of this vulnerability can result in takeover
    of Java SE, Java SE Embedded. Note: This vulnerability applies to Java deployments, typically in clients
    running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code
    (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability
    does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code
    installed by an administrator). (CVE-2020-14583)

  - Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: 2D). Supported
    versions that are affected are Java SE: 7u261, 8u251, 11.0.7 and 14.0.1; Java SE Embedded: 8u251. Easily
    exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to
    compromise Java SE, Java SE Embedded. Successful attacks require human interaction from a person other
    than the attacker and while the vulnerability is in Java SE, Java SE Embedded, attacks may significantly
    impact additional products. Successful attacks of this vulnerability can result in unauthorized creation,
    deletion or modification access to critical data or all Java SE, Java SE Embedded accessible data. Note:
    This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start
    applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the
    internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java
    deployments, typically in servers, that load and run only trusted code (e.g., code installed by an
    administrator). (CVE-2020-14593)

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://www.oracle.com/a/tech/docs/cpujul2020cvrf.xml");
  script_set_attribute(attribute:"see_also", value:"https://www.oracle.com/security-alerts/cpujul2020.html");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate patch according to the July 2020 Oracle Critical Patch Update advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/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:R/S:C/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-2020-14556");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-14664");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/07/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:jre");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:jdk");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("sun_java_jre_installed.nasl");
  script_require_keys("SMB/Java/JRE/Installed");

  exit(0);
}

include('misc_func.inc');

# Check each installed JRE.
installs = get_kb_list_or_exit("SMB/Java/JRE/*");

info = "";
vuln = 0;
installed_versions = "";

foreach install (list_uniq(keys(installs)))
{
  ver = install - "SMB/Java/JRE/";
  if (ver !~ "^[0-9.]+") continue;

  installed_versions = installed_versions + " & " + ver;

  # Fixes : (JDK|JRE) 14 Update 2 / 11 Update 8 / 8 Update 261 / 7 Update 271 
  if (
    ver_compare(minver:"1.7.0", ver:ver, fix:"1.7.0_271", regexes:{0:"_(\d+)"}, strict:FALSE) < 0 ||
    ver_compare(minver:"1.8.0", ver:ver, fix:"1.8.0_261", regexes:{0:"_(\d+)"}, strict:FALSE) < 0 ||
    ver_compare(minver:"1.11.0", ver:ver, fix:"1.11.0_8", regexes:{0:"_(\d+)"}, strict:FALSE) < 0 ||
    ver_compare(minver:"1.14.0", ver:ver, fix:"1.14.0_2", regexes:{0:"_(\d+)"}, strict:FALSE) < 0
  )
  {
    dirs = make_list(get_kb_list(install));
    vuln += max_index(dirs);

    foreach dir (dirs)
      info += '\n  Path              : ' + dir;

    info += '\n  Installed version : ' + ver;
    info += '\n  Fixed version     : 1.7.0_271 / 1.8.0_261 / 1.11.0_8 / 1.14.0_2\n';
  }
}

# Report if any were found to be vulnerable.
if (info)
{
  port = get_kb_item("SMB/transport");
  if (!port) port = 445;

  if (vuln > 1) s = "s of Java are";
  else s = " of Java is";

  report =
    '\n' +
    'The following vulnerable instance'+s+' installed on the\n' +
    'remote host :\n' +
    info;
  security_report_v4(severity:SECURITY_WARNING, port:port, extra:report);
}
else
{
  installed_versions = substr(installed_versions, 3);
  if (" & " >< installed_versions)
    exit(0, "The Java "+installed_versions+" installations on the remote host are not affected.");
  else
    audit(AUDIT_INST_VER_NOT_VULN, "Java", installed_versions);
}