VMware Workstation 12.x < 12.5.6 Insecure Library Loading Privilege Escalation (VMSA-2017-0009) (Linux)

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

include("compat.inc");

if (description)
{
  script_id(100417);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/05/19");

  script_cve_id("CVE-2017-4915");
  script_bugtraq_id(98566);
  script_xref(name:"VMSA", value:"2017-0009");

  script_name(english:"VMware Workstation 12.x < 12.5.6 Insecure Library Loading Privilege Escalation (VMSA-2017-0009) (Linux)");
  script_summary(english:"Checks the VMware Workstation version.");

  script_set_attribute(attribute:"synopsis", value:
"A virtualization application installed on the remote Linux host is
affected by a privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of VMware Workstation installed on the remote Linux host
is 12.x prior to 12.5.6. It is, therefore, affected by a privilege
escalation vulnerability in the ALSA sound driver due to insecurely
loading shared libraries via the '.asoundrc' configuration file. A
local attacker can exploit this, by loading specially crafted
libraries, to gain root privileges on the host.");
  script_set_attribute(attribute:"see_also", value:"https://www.vmware.com/security/advisories/VMSA-2017-0009.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to VMware Workstation version 12.5.6 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-4915");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'VMware Workstation ALSA Config File Local Privilege Escalation');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/05/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/05/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/05/25");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:vmware:workstation");
  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2017-2026 Tenable Network Security, Inc.");

  script_dependencies("vmware_workstation_linux_installed.nbin");
  script_exclude_keys("SMB/Registry/Enumerated");
  script_require_keys("installed_sw/VMware Workstation", "Settings/ParanoidReport");

  exit(0);
}

include('vdf.inc');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'linux'}}
  ],
  'checks': [
    {
      'product': {'name': 'VMware Workstation', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        { 'min_version' : '12.0', 'fixed_version' : '12.5.6' }
      ]
    }
  ]
};

var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:result);