Vulnerabilities > CVE-2017-6331

047910
CVSS 3.6 - LOW
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
PARTIAL
Availability impact
PARTIAL
local
low complexity
nessus
exploit available

Summary

Prior to SEP 14 RU1 Symantec Endpoint Protection product can encounter an issue of Tamper-Protection Bypass, which is a type of attack that bypasses the real time protection for the application that is run on servers and clients.

Exploit-Db

descriptionSymantec Endpoint Protection 12.1 - Tamper-Protection Bypass. CVE-2017-6331. Local exploit for Windows platform
fileexploits/windows/local/43134.c
idEDB-ID:43134
last seen2017-11-13
modified2017-11-10
platformwindows
port
published2017-11-10
reporterExploit-DB
sourcehttps://www.exploit-db.com/download/43134/
titleSymantec Endpoint Protection 12.1 - Tamper-Protection Bypass
typelocal

Nessus

NASL familyWindows
NASL idSYMANTEC_ENDPOINT_PROT_CLIENT_SYM17-011.NASL
descriptionThe version of Symantec Endpoint Protection (SEP) Client installed on the remote host is 12.1.x prior to 12.1 RU6 MP9 or 14.0.x prior to 14.0 RU1. It is, therefore, affected by a multiple vulnerabilities as referenced in the advisory. Note that Nessus has not tested for this issue but has instead relied only on the application
last seen2020-06-01
modified2020-06-02
plugin id104459
published2017-11-08
reporterThis script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/104459
titleSymantec Endpoint Protection Client 12.1.x < 12.1 RU6 MP9 / 14.0.x < 14.0 RU1 Multiple Vulnerabilities (SYM17-011)
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(104459);
  script_version("1.9");
  script_cvs_date("Date: 2019/11/12");

  script_cve_id("CVE-2017-6331", "CVE-2017-13680", "CVE-2017-13681");
  script_bugtraq_id(101502, 101503, 101504);

  script_name(english:"Symantec Endpoint Protection Client 12.1.x < 12.1 RU6 MP9 / 14.0.x < 14.0 RU1 Multiple Vulnerabilities (SYM17-011)");
  script_summary(english:"Checks the SEP Client version.");

  script_set_attribute(attribute:"synopsis", value:
"The Symantec Endpoint Protection Client installed on the remote host
is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Symantec Endpoint Protection (SEP) Client installed 
on the remote host is 12.1.x prior to 12.1 RU6 MP9 or 14.0.x prior to
14.0 RU1. It is, therefore, affected by a multiple vulnerabilities 
as referenced in the advisory.

Note that Nessus has not tested for this issue but has instead relied
only on the application's self-reported version number.");
  # https://support.symantec.com/en_US/article.SYMSA1418.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a69cd890");
  # https://support.symantec.com/en_US/article.TECH103088.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bcc5e230");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Symantec Endpoint Protection Client version 12.1 RU6 
MP9 / 14.0 RU1 or later.");
  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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-13681");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/11/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/10/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:symantec:endpoint_protection");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("savce_installed.nasl");
  script_require_keys("Antivirus/SAVCE/version");
  script_require_ports(139, 445);

  exit(0);
}

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

app = 'Symantec Endpoint Protection Client';

display_ver = get_kb_item_or_exit('Antivirus/SAVCE/version');
edition = get_kb_item('Antivirus/SAVCE/edition');
if(get_kb_item('SMB/svc/ssSpnAv')) audit(AUDIT_INST_VER_NOT_VULN, "Symantec.cloud Endpoint Protection");
  

if (isnull(edition)) edition = '';
else if (edition == 'sepsb') app += ' Small Business Edition';

fixed_ver = NULL;

if (display_ver =~ "^12\.1\.")
  fixed_ver = '12.1.7369.6900';
else if (display_ver =~ "^14\.0\.")
  fixed_ver = '14.0.3752.1000';
else
  audit(AUDIT_INST_VER_NOT_VULN, app, display_ver);

if (ver_compare(ver:display_ver, fix:fixed_ver, strict:FALSE) == -1)
{
  port = get_kb_item("SMB/transport");
  if (!port) port = 445;

  report =
    '\n  Product           : ' + app +
    '\n  Installed version : ' + display_ver +
    '\n  Fixed version     : ' + fixed_ver +
    '\n';
  security_report_v4(severity:SECURITY_WARNING, port:port, extra:report);
}
else audit(AUDIT_INST_VER_NOT_VULN, app, display_ver);

Packetstorm

data sourcehttps://packetstormsecurity.com/files/download/144950/CVE-2017-6331-SYMANTEC-ENDPOINT-PROTECTION-TAMPER-PROTECTION-BYPASS.txt
idPACKETSTORM:144950
last seen2017-11-14
published2017-11-12
reporterhyp3rlinx
sourcehttps://packetstormsecurity.com/files/144950/Symantec-Endpoint-Protection-12.1.6-Tamper-Protection-Bypass.html
titleSymantec Endpoint Protection 12.1.6 Tamper Protection Bypass