Search...

FreeBSD : ntp -- multiple vulnerabilities (5237f5d7-c020-11e5-b397-d050996490d0)

2016-01-22T00:00:00
ID FREEBSD_PKG_5237F5D7C02011E5B397D050996490D0.NASL
Type nessus
Reporter Tenable
Modified 2018-11-10T00:00:00

Description

Network Time Foundation reports :

NTF's NTP Project has been notified of the following low- and medium-severity vulnerabilities that are fixed in ntp-4.2.8p6, released on Tuesday, 19 January 2016 :

  • Bug 2948 / CVE-2015-8158: Potential Infinite Loop in ntpq. Reported by Cisco ASIG.

  • Bug 2945 / CVE-2015-8138: origin: Zero Origin Timestamp Bypass. Reported by Cisco ASIG.

  • Bug 2942 / CVE-2015-7979: Off-path Denial of Service (DoS) attack on authenticated broadcast mode. Reported by Cisco ASIG.

  • Bug 2940 / CVE-2015-7978: Stack exhaustion in recursive traversal of restriction list. Reported by Cisco ASIG.

  • Bug 2939 / CVE-2015-7977: reslist NULL pointer dereference. Reported by Cisco ASIG.

  • Bug 2938 / CVE-2015-7976: ntpq saveconfig command allows dangerous characters in filenames. Reported by Cisco ASIG.

  • Bug 2937 / CVE-2015-7975: nextvar() missing length check. Reported by Cisco ASIG.

  • Bug 2936 / CVE-2015-7974: Skeleton Key: Missing key check allows impersonation between authenticated peers. Reported by Cisco ASIG.

  • Bug 2935 / CVE-2015-7973: Deja Vu: Replay attack on authenticated broadcast mode. Reported by Cisco ASIG.

Additionally, mitigations are published for the following two issues :

  • Bug 2947 / CVE-2015-8140: ntpq vulnerable to replay attacks. Reported by Cisco ASIG.

  • Bug 2946 / CVE-2015-8139: Origin Leak: ntpq and ntpdc, disclose origin. Reported by Cisco ASIG.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2018 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
#    published online in any format, converted to PDF, PostScript,
#    RTF and other formats) must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.
# 
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include("compat.inc");

if (description)
{
  script_id(88068);
  script_version("2.13");
  script_cvs_date("Date: 2018/11/10 11:49:45");

  script_cve_id("CVE-2015-7973", "CVE-2015-7974", "CVE-2015-7975", "CVE-2015-7976", "CVE-2015-7977", "CVE-2015-7978", "CVE-2015-7979", "CVE-2015-8138", "CVE-2015-8139", "CVE-2015-8140", "CVE-2015-8158");
  script_xref(name:"FreeBSD", value:"SA-16:09.ntp");

  script_name(english:"FreeBSD : ntp -- multiple vulnerabilities (5237f5d7-c020-11e5-b397-d050996490d0)");
  script_summary(english:"Checks for updated packages in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote FreeBSD host is missing one or more security-related
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Network Time Foundation reports :

NTF's NTP Project has been notified of the following low- and
medium-severity vulnerabilities that are fixed in ntp-4.2.8p6,
released on Tuesday, 19 January 2016 :

- Bug 2948 / CVE-2015-8158: Potential Infinite Loop in ntpq. Reported
by Cisco ASIG.

- Bug 2945 / CVE-2015-8138: origin: Zero Origin Timestamp Bypass.
Reported by Cisco ASIG.

- Bug 2942 / CVE-2015-7979: Off-path Denial of Service (DoS) attack on
authenticated broadcast mode. Reported by Cisco ASIG.

- Bug 2940 / CVE-2015-7978: Stack exhaustion in recursive traversal of
restriction list. Reported by Cisco ASIG.

- Bug 2939 / CVE-2015-7977: reslist NULL pointer dereference. Reported
by Cisco ASIG.

- Bug 2938 / CVE-2015-7976: ntpq saveconfig command allows dangerous
characters in filenames. Reported by Cisco ASIG.

- Bug 2937 / CVE-2015-7975: nextvar() missing length check. Reported
by Cisco ASIG.

- Bug 2936 / CVE-2015-7974: Skeleton Key: Missing key check allows
impersonation between authenticated peers. Reported by Cisco ASIG.

- Bug 2935 / CVE-2015-7973: Deja Vu: Replay attack on authenticated
broadcast mode. Reported by Cisco ASIG.

Additionally, mitigations are published for the following two issues :

- Bug 2947 / CVE-2015-8140: ntpq vulnerable to replay attacks.
Reported by Cisco ASIG.

- Bug 2946 / CVE-2015-8139: Origin Leak: ntpq and ntpdc, disclose
origin. Reported by Cisco ASIG."
  );
  # http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?d42322ca"
  );
  # https://vuxml.freebsd.org/freebsd/5237f5d7-c020-11e5-b397-d050996490d0.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?ac5aee1a"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:ntp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:ntp-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/01/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/22");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"FreeBSD Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


include("audit.inc");
include("freebsd_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (pkg_test(save_report:TRUE, pkg:"ntp<4.2.8p6")) flag++;
if (pkg_test(save_report:TRUE, pkg:"ntp-devel<4.3.90")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
JSON Vulners Source
Initial Source


All product names, logos, and brands are property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, logos, and brands does not imply endorsement.If you are an owner of some content and want it to be removed, please mail to content@vulners.com Vulners, 2018
Protected by