Vulnerabilities > CVE-2012-0876 - Resource Exhaustion vulnerability in multiple products

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

include("compat.inc");

if (description)
{
  script_id(89039);
  script_version("1.5");
  script_cvs_date("Date: 2019/11/19");

  script_cve_id(
    "CVE-2011-4940",
    "CVE-2011-4944",
    "CVE-2012-0441",
    "CVE-2012-0876",
    "CVE-2012-1033",
    "CVE-2012-1148",
    "CVE-2012-1150",
    "CVE-2012-1667",
    "CVE-2012-3817",
    "CVE-2012-5703"
  );
  script_bugtraq_id(
    51239,
    51898,
    52379,
    52732,
    53772,
    54083,
    54658,
    56571
  );
  script_xref(name:"VMSA", value:"2012-0016");

  script_name(english:"VMware ESX / ESXi Multiple Vulnerabilities (VMSA-2012-0016) (remote check)");
  script_summary(english:"Checks the ESX / ESXi version and build number.");

  script_set_attribute(attribute:"synopsis", value:
"The remote VMware ESX / ESXi host is missing a security-related patch.");
  script_set_attribute(attribute:"description", value:
"The remote VMware ESX / ESXi host is missing a security-related patch.
It is, therefore, affected by multiple vulnerabilities, including
remote code execution vulnerabilities, in several components and
third-party libraries :

  - bind
  - expat
  - nspr and nss
  - python
  - vSphere API");
  script_set_attribute(attribute:"see_also", value:"http://www.vmware.com/security/advisories/VMSA-2012-0016.html");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate patch according to the vendor advisory that
pertains to ESX version 4.1 or ESXi version  4.1.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-1667");

  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:"2012/11/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/11/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/29");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:vmware:esx");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:vmware:esxi");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("vmware_vsphere_detect.nbin");
  script_require_keys("Host/VMware/version", "Host/VMware/release");
  script_require_ports("Host/VMware/vsphere");

  exit(0);
}

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

version = get_kb_item_or_exit("Host/VMware/version");
release = get_kb_item_or_exit("Host/VMware/release");
port    = get_kb_item_or_exit("Host/VMware/vsphere");

# Version + build map
# https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1014508
fixes = make_array();
fixes["ESXi 4.1"] = 874690;
fixes["ESX 4.1"]  = 874690;

matches = eregmatch(pattern:'^VMware (ESXi?).*build-([0-9]+)$', string:release);
if (empty_or_null(matches))
  exit(1, 'Failed to extract the ESX / ESXi build number.');

type  = matches[1];
build = int(matches[2]);

fixed_build = fixes[version];

if (!isnull(fixed_build) && build < fixed_build)
{
  padding = crap(data:" ", length:8 - strlen(type)); # Spacing alignment

  report = '\n  ' + type + ' version' + padding + ': ' + version +
           '\n  Installed build : ' + build +
           '\n  Fixed build     : ' + fixed_build +
           '\n';

  security_report_v4(extra:report, port:port, severity:SECURITY_HOLE);
}
else
  audit(AUDIT_INST_VER_NOT_VULN, "VMware " + version + " build " + build);

#
# (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(91526);
  script_version("2.7");
  script_cvs_date("Date: 2018/11/23 12:49:57");

  script_cve_id("CVE-2012-6702", "CVE-2016-5300");

  script_name(english:"FreeBSD : expat -- multiple vulnerabilities (c9c252f5-2def-11e6-ae88-002590263bf5)");
  script_summary(english:"Checks for updated package in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote FreeBSD host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Sebastian Pipping reports :

CVE-2012-6702 -- Resolve troublesome internal call to srand that was
introduced with Expat 2.1.0 when addressing CVE-2012-0876 (issue #496)

CVE-2016-5300 -- Use more entropy for hash initialization than the
original fix to CVE-2012-0876."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210155"
  );
  # https://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?4a9e2354"
  );
  # http://www.openwall.com/lists/oss-security/2016/03/18/3
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.openwall.com/lists/oss-security/2016/03/18/3"
  );
  # https://vuxml.freebsd.org/freebsd/c9c252f5-2def-11e6-ae88-002590263bf5.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?eccb43af"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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:expat");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/03/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/06/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/06/09");
  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:"expat<2.1.1_1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Mandriva Linux Security Advisory MDVSA-2013:117. 
# The text itself is copyright (C) Mandriva S.A.
#

include("compat.inc");

if (description)
{
  script_id(66129);
  script_version("1.7");
  script_cvs_date("Date: 2019/08/02 13:32:55");

  script_cve_id("CVE-2011-4944");
  script_bugtraq_id(52732);
  script_xref(name:"MDVSA", value:"2013:117");
  script_xref(name:"MGASA", value:"2012-0170");

  script_name(english:"Mandriva Linux Security Advisory : python (MDVSA-2013:117)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Mandriva Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated python packages fix security vulnerabilities :

A race condition was found in the way the Python distutils module set
file permissions during the creation of the .pypirc file. If a local
user had access to the home directory of another user who is running
distutils, they could use this flaw to gain access to that user's
.pypirc file, which can contain usernames and passwords for code
repositories (CVE-2011-4944).

Additionally, python has been built against the system expat and ffi
libraries, to avoid any future issues with those (mitigates
CVE-2012-0876 for expat)."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://wiki.mageia.org/en/Support/Advisories/MGAA-2012-0160"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64python-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64python2.7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:python-docs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:tkinter");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:tkinter-apps");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:business_server:1");

  script_set_attribute(attribute:"patch_publication_date", value:"2013/04/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/04/20");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Mandriva Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/Mandrake/release", "Host/Mandrake/rpm-list");

  exit(0);
}


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


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);


flag = 0;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"lib64python-devel-2.7.3-4.3.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"lib64python2.7-2.7.3-4.3.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"python-2.7.3-4.3.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", reference:"python-docs-2.7.3-4.3.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"tkinter-2.7.3-4.3.mbs1")) flag++;
if (rpm_check(release:"MDK-MBS1", cpu:"x86_64", reference:"tkinter-apps-2.7.3-4.3.mbs1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
  else security_note(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");