Sun Java JRE Applet Handling Privilege Escalation (231261) (Unix)

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

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

if (description)
{
  script_id(64826);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2008-0657");
  script_bugtraq_id(27650);
  script_xref(name:"SECUNIA", value:"28795");

  script_name(english:"Sun Java JRE Applet Handling Privilege Escalation (231261) (Unix)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Unix host has an application that is affected by privilege
escalation vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Sun Java Runtime Environment (JRE) installed on the
remote host reportedly contains two vulnerabilities that may
independently allow an untrusted application or applet to elevate its
privileges by, for example, granting itself permission to read and write
local files or execute local applications subject to the privileges of
the user running the application or applet.");
  script_set_attribute(attribute:"see_also", value:"https://download.oracle.com/sunalerts/1018968.1.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Sun JDK and JRE 6 Update 2 / JDK and JRE 5.0 Update 14 or
later and remove, if necessary, any affected versions.");
  script_set_attribute(attribute:"agent", value:"unix");
  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_attribute(attribute:"cvss_score_source", value:"CVE-2008-0657");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(264);

  script_set_attribute(attribute:"patch_publication_date", value:"2008/02/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/02/22");

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

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2013-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("sun_java_jre_installed_unix.nasl");
  script_require_keys("Host/Java/JRE/Installed");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");

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

info = "";
vuln = 0;
vuln2 = 0;
installed_versions = "";
granular = "";
foreach install (list_uniq(keys(installs)))
{
  ver = install - "Host/Java/JRE/Unmanaged/";
  if (ver !~ "^[0-9.]+") continue;
  installed_versions = installed_versions + " & " + ver;
  if (
    ver =~ "^1\.6\.0_0[01][^0-9]?" ||
    ver =~ "^1\.5\.0_(0[0-9]|1[0-3])[^0-9]?"
  )
  {
    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     : 1.6.0_02 / 1.5.0_14\n';
  }
  else if (ver =~ "^[\d\.]+$")
  {
    dirs = make_list(get_kb_list(install));
    foreach dir (dirs)
      granular += "The Oracle Java version "+ver+" at "+dir+" is not granular enough to make a determination."+'\n';
  }
  else
  {
    dirs = make_list(get_kb_list(install));
    vuln2 += max_index(dirs);
  }

}


# Report if any were found to be vulnerable.
if (info)
{
  if (report_verbosity > 0)
  {
    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_hole(port:0, extra:report);
  }
  else security_hole(0);
  if (granular) exit(0, granular);
}
else
{
  if (granular) exit(0, granular);

  installed_versions = substr(installed_versions, 3);
  if (vuln2 > 1)
    exit(0, "The Java "+installed_versions+" installs on the remote host are not affected.");
  else
    exit(0, "The Java "+installed_versions+" install on the remote host is not affected.");
}