PostgreSQL 8.3 < 8.3.20 / 8.4 < 8.4.13 / 9.0 < 9.0.9 / 9.1 < 9.1.5 Multiple Vulnerabilities

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

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

if (description)
{
  script_id(63354);
  script_version("1.16");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/04");

  script_cve_id("CVE-2012-3488", "CVE-2012-3489");
  script_bugtraq_id(55072, 55074);

  script_name(english:"PostgreSQL 8.3 < 8.3.20 / 8.4 < 8.4.13 / 9.0 < 9.0.9 / 9.1 < 9.1.5 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"The remote database server is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of PostgreSQL installed on the remote host is 8.3.x prior
to 8.3.20, 8.4.x prior to 8.4.13, 9.0.x prior to 9.0.9, or 9.1.x prior
to 9.1.5.  It therefore is potentially affected by multiple
vulnerabilities :

  - A flaw in contrib/xml2's xslt_process can be used to
    read and write arbitrary files. (CVE-2012-3488)

  - An xml_parse() DTD validation flaw can be used to read
    arbitrary files. (CVE-2012-3489)");
  script_set_attribute(attribute:"see_also", value:"http://www.postgresql.org/about/news/1407/");
  script_set_attribute(attribute:"see_also", value:"https://www.postgresql.org/docs/8.3/release-8-3-20.html");
  script_set_attribute(attribute:"see_also", value:"http://www.postgresql.org/docs/8.4/static/release-8-4-13.html");
  script_set_attribute(attribute:"see_also", value:"https://www.postgresql.org/docs/9.0/release-9-0-9.html");
  script_set_attribute(attribute:"see_also", value:"http://www.postgresql.org/docs/9.1/static/release-9-1-5.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to PostgreSQL 8.3.20 / 8.4.13 / 9.0.9 / 9.1.5 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/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:L/PR:N/UI:N/S:U/C:L/I:L/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-2012-3488");

  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:"2012/08/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/08/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/12/28");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:postgresql:postgresql");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2012-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("postgresql_version.nbin");
  script_require_ports("Services/postgresql", 5432);

  exit(0);
}

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

port = get_service(svc:"postgresql", default:5432, exit_on_fail:TRUE);

version = get_kb_item_or_exit('database/'+port+'/postgresql/version');
source = get_kb_item_or_exit('database/'+port+'/postgresql/source');
database = get_kb_item('database/'+port+'/postgresql/database_name');

get_backport_banner(banner:source);
if (backported && report_paranoia < 2) audit(AUDIT_BACKPORT_SERVICE, port, 'PostgreSQL server');

ver = split(version, sep:'.');
for (i=0; i < max_index(ver); i++)
  ver[i] = int(ver[i]);

if (
  (ver[0] == 8 && ver[1] == 3 && ver[2] < 20) ||
  (ver[0] == 8 && ver[1] == 4 && ver[2] < 13) ||
  (ver[0] == 9 && ver[1] == 0 && ver[2] < 9) ||
  (ver[0] == 9 && ver[1] == 1 && ver[2] < 5)
)
{
  if (report_verbosity > 0)
  {
    report = '';
    if(database)
      report += '\n  Database name     : ' + database ;
    report +=
      '\n  Version source    : ' + source + 
      '\n  Installed version : ' + version +
      '\n  Fixed version     : 8.3.20 / 8.4.13 / 9.0.9 / 9.1.5\n';
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
  exit(0);
}
else audit(AUDIT_LISTEN_NOT_VULN, 'PostgreSQL', port, version);