IBM DB2 9.7 < FP11 Special Build 37314 / 10.1 < FP6 Special Build 37313 / 10.5 < FP10 Special Build 37311 / 11.1.3 < FP3 JDBC Driver Unsafe Deserialization Local Privilege Escalation (UNIX)

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(108588);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/07/26");

  script_cve_id("CVE-2017-1677");
  script_bugtraq_id(103422);

  script_name(english:"IBM DB2 9.7 < FP11 Special Build 37314 / 10.1 < FP6 Special Build 37313 / 10.5 < FP10 Special Build 37311 / 11.1.3 < FP3 JDBC Driver Unsafe Deserialization Local Privilege Escalation (UNIX)");
  script_summary(english:"Checks the DB2 signature.");

  script_set_attribute(attribute:"synopsis", value:
"The remote database server is affected by a local privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its version, the installation of IBM DB2 running on the
remote host is either 9.7 prior to Fix Pack 11 Special Build 37314,
10.1 prior to Fix Pack 6 Special Build 37313, 10.5 prior to Fix Pack 10
Special Build 37311, or 11.1.3 prior to Fix Pack 3. It is, therefore,
affected by a local privilege escalation vulnerability in the DB2 JDBC
driver.");
  script_set_attribute(attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=swg22012896");
  # https://www.ibm.com/blogs/psirt/ibm-security-bulletin-ibm-db2-performs-unsafe-deserialization-in-db2-jdbc-driver-cve-2017-1677/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?af7ae113");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate IBM DB2 Fix Pack or Special Build based on the
most recent fix pack level for your branch.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/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-2017-1677");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/03/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/03/23");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:db2");
  script_set_attribute(attribute:"agent", value:"all");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("db2_installed.nbin");
  script_require_keys("installed_sw/DB2 Server");
  script_exclude_keys("SMB/db2/Installed");

  exit(0);
}

include('vcf_extras_db2.inc');

# The remote host's OS is Windows, not Linux.
if (get_kb_item('SMB/db2/Installed'))
  audit(AUDIT_OS_NOT, 'Linux', 'Windows');

var app_info = vcf::ibm_db2::get_app_info();
# DB2 has an optional OpenSSH server that will run on
# windows.  We need to exit out if we picked up the windows
# installation that way.
if ('Windows' >< app_info['platform'])
  audit(AUDIT_HOST_NOT, 'a Linux based operating system');

var constraints = [
  {'equal':'9.7.0.11', 'fixed_build':'37314'},
  {'equal':'10.1.0.6', 'fixed_build':'37313'},
  {'equal':'10.5.0.10', 'fixed_build':'37311'},
  {'min_version':'9.7', 'fixed_version':'9.7.0.11', 'fixed_display':'9.7.0.11 + Special Build 37314'},
  {'min_version':'10.1', 'fixed_version':'10.1.0.6', 'fixed_display':'10.1.0.6 + Special Build 37313'},
  {'min_version':'10.5', 'fixed_version':'10.5.0.10', 'fixed_display':'10.5.0.10 + Special Build 37311'},
  {'min_version':'11.1', 'fixed_version':'11.1.3.3'}
];

vcf::ibm_db2::check_version_and_report(
  app_info:app_info,
  constraints:constraints,
  severity:SECURITY_NOTE
);