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openvasCopyright (C) 2016 Greenbone AGOPENVAS:1361412562310809216
HistorySep 12, 2016 - 12:00 a.m.

CPython Man in Middle Attack and Code Execution Vulnerabilities - Windows

2016-09-1200:00:00
Copyright (C) 2016 Greenbone AG
plugins.openvas.org
69

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.6 High

AI Score

Confidence

High

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.028 Low

EPSS

Percentile

90.5%

CPython is prone to a man in middle attack and an arbitrary
code execution vulnerability.

# SPDX-FileCopyrightText: 2016 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:python:python";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.809216");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2016-5636", "CVE-2016-0772");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-02-09 11:29:00 +0000 (Sat, 09 Feb 2019)");
  script_tag(name:"creation_date", value:"2016-09-12 12:56:46 +0530 (Mon, 12 Sep 2016)");
  script_tag(name:"qod_type", value:"remote_banner");
  script_name("CPython Man in Middle Attack and Code Execution Vulnerabilities - Windows");

  script_tag(name:"summary", value:"CPython is prone to a man in middle attack and an arbitrary
  code execution vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"Multiple flaws exist due to the smtplib library in CPython
  does not return an error when StartTLS fails and integer overflow error in the 'get_data'
  function in 'zipimport.c' script.");

  script_tag(name:"impact", value:"Successful exploitation will allow man-in-the-middle attackers
  to bypass the TLS protections and remote attackers to cause buffer overflow.");

  script_tag(name:"affected", value:"CPython before 2.7.12, 3.x before 3.4.5, and 3.5.x
  before 3.5.2.");

  script_tag(name:"solution", value:"Update to version CPython 2.7.12, 3.4.5, 3.5.2 or later.");

  script_tag(name:"solution_type", value:"VendorFix");

  script_xref(name:"URL", value:"https://hg.python.org/cpython/rev/d590114c2394");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/91247");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/91225");
  script_xref(name:"URL", value:"https://bugs.python.org/issue26171");

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("gb_python_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("python/detected", "Host/runs_windows");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if(isnull(port = get_app_port(cpe:CPE)))
  exit(0);

if(!infos = get_app_version_and_location(cpe:CPE, port:port, exit_no_version:TRUE, version_regex:"^[0-9]+\.[0-9]+\.[0-9]+"))
  exit(0);

vers = infos["version"];
path = infos["location"];

if(version_is_less(version:vers, test_version:"2.7.12")) {
  fix = "2.7.12";
  VULN = TRUE;
}

else if(vers =~ "^3\.[0-4]") {
  if(version_in_range(version:vers, test_version:"3.0", test_version2:"3.4.4")) {
    fix = "3.4.5";
    VULN = TRUE;
  }
}

else if(vers =~ "^3\.5") {
  if(version_in_range(version:vers, test_version:"3.5.0", test_version2:"3.5.1")) {
    fix = "3.5.2";
    VULN = TRUE;
  }
}

if(VULN) {
  report = report_fixed_ver(installed_version:vers, fixed_version:fix, install_path:path);
  security_message(data:report, port:port);
  exit(0);
}

exit(99);

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.6 High

AI Score

Confidence

High

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.028 Low

EPSS

Percentile

90.5%