Lucene search

K
nessusThis script is Copyright (C) 2020-2023 and is owned by Tenable, Inc. or an Affiliate thereof.PULSE_CONNECT_SECURE-SA-44588.NASL
HistoryOct 09, 2020 - 12:00 a.m.

Pulse Connect Secure < 9.1R8.2 (SA44588)

2020-10-0900:00:00
This script is Copyright (C) 2020-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
78

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.005

Percentile

76.1%

According to its self-reported version, the version of Pulse Connect Secure running on the remote host is prior to 9.1R8.2. It is, therefore, affected by multiple vulnerabilities:

  • A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to upload custom template to perform an arbitrary code execution. (CVE-2020-8243)

  • A vulnerability in the authenticated user web interface of Pulse Connect Secure and Pulse Policy Secure < 9.1R8.2 could allow attackers to conduct Cross-Site Scripting (XSS). (CVE-2020-8238)

  • A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to gain arbitrary file reading access through Pulse Collaboration via XML External Entity (XXE) vulnerability. (CVE-2020-8256)

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

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

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

if (description)
{
  script_id(141359);
  script_version("1.12");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");

  script_cve_id("CVE-2020-8238", "CVE-2020-8243", "CVE-2020-8256");
  script_xref(name:"IAVA", value:"2020-A-0444-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/04/23");

  script_name(english:"Pulse Connect Secure < 9.1R8.2 (SA44588)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the version of Pulse Connect Secure running on the remote host is prior 
to 9.1R8.2. It is, therefore, affected by multiple vulnerabilities:

  -  A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated
     attacker to upload custom template to perform an arbitrary code execution. (CVE-2020-8243)

  - A vulnerability in the authenticated user web interface of Pulse Connect Secure and Pulse Policy Secure <
    9.1R8.2 could allow attackers to conduct Cross-Site Scripting (XSS). (CVE-2020-8238)

  - A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated
    attacker to gain arbitrary file reading access through Pulse Collaboration via XML External Entity (XXE)
    vulnerability. (CVE-2020-8256)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44588/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2cb5f3ae");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Pulse Connect Secure version 9.1R8.2 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:H/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-2020-8243");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/07/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/10/09");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:pulsesecure:pulse_connect_secure");
  script_set_attribute(attribute:"stig_severity", value:"I");
  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) 2020-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("pulse_connect_secure_detect.nbin");
  script_require_keys("installed_sw/Pulse Connect Secure");

  exit(0);
}

include('http.inc');
include('vcf.inc');
include('vcf_extras.inc');

port = get_http_port(default:443, embedded:TRUE);
app_info = vcf::pulse_connect_secure::get_app_info(app:'Pulse Connect Secure', port:port, full_version:TRUE, webapp:TRUE);

# full ver from https://www-prev.pulsesecure.net/download/techpubs/current/2158/pulse-connect-secure/pcs/9.1rx/9.1r8/ps-pcs-sa-9.1r8.2-releasenotes.pdf
constraints = [
 {'fixed_version':'9.1.8.8511', 'fixed_display':'9.1R8.2'}
];
vcf::check_version_and_report(
  app_info:app_info,
  constraints:constraints,
  severity:SECURITY_WARNING,
  flags:{'xss':TRUE}
);

VendorProductVersionCPE
pulsesecurepulse_connect_securecpe:/a:pulsesecure:pulse_connect_secure

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.005

Percentile

76.1%