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nessusThis script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.FREEBSD_PKG_B56FE6BBB1B111E59728002590263BF5.NASL
HistoryJan 04, 2016 - 12:00 a.m.

FreeBSD : qemu -- denial of service vulnerabilities in eepro100 NIC support (b56fe6bb-b1b1-11e5-9728-002590263bf5)

2016-01-0400:00:00
This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
8

Prasad J Pandit, Red Hat Product Security Team, reports :

Qemu emulator built with the i8255x (PRO100) emulation support is vulnerable to an infinite loop issue. It could occur while processing a chain of commands located in the Command Block List (CBL). Each Command Block(CB) points to the next command in the list. An infinite loop unfolds if the link to the next CB points to the same block or there is a closed loop in the chain.

A privileged(CAP_SYS_RAWIO) user inside guest could use this flaw to crash the Qemu instance resulting in DoS.

#%NASL_MIN_LEVEL 70300
#
# (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('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(87704);
  script_version("2.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2015-8345");

  script_name(english:"FreeBSD : qemu -- denial of service vulnerabilities in eepro100 NIC support (b56fe6bb-b1b1-11e5-9728-002590263bf5)");
  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:
"Prasad J Pandit, Red Hat Product Security Team, reports :

Qemu emulator built with the i8255x (PRO100) emulation support is
vulnerable to an infinite loop issue. It could occur while processing
a chain of commands located in the Command Block List (CBL). Each
Command Block(CB) points to the next command in the list. An infinite
loop unfolds if the link to the next CB points to the same block or
there is a closed loop in the chain.

A privileged(CAP_SYS_RAWIO) user inside guest could use this flaw to
crash the Qemu instance resulting in DoS."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205813"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205814"
  );
  # http://www.openwall.com/lists/oss-security/2015/11/25/3
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.openwall.com/lists/oss-security/2015/11/25/3"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://lists.gnu.org/archive/html/qemu-devel/2015-10/msg03911.html"
  );
  # http://git.qemu.org/?p=qemu.git;a=commit;h=00837731d254908a841d69298a4f9f077babaf24
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?b0d6d8b2"
  );
  # https://github.com/seanbruno/qemu-bsd-user/commit/00837731d254908a841d69298a4f9f077babaf24
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?b7fa189b"
  );
  # https://vuxml.freebsd.org/freebsd/b56fe6bb-b1b1-11e5-9728-002590263bf5.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?4afe6a5a"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/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:qemu");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:qemu-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:qemu-sbruno");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:qemu-user-static");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/10/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/04");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 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:"qemu<2.5.50")) flag++;
if (pkg_test(save_report:TRUE, pkg:"qemu-devel<2.5.50")) flag++;
if (pkg_test(save_report:TRUE, pkg:"qemu-sbruno<2.5.50.g20160213")) flag++;
if (pkg_test(save_report:TRUE, pkg:"qemu-user-static<2.5.50.g20160213")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:pkg_report_get());
  else security_note(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
VendorProductVersionCPE
freebsdfreebsdqemup-cpe:/a:freebsd:freebsd:qemu
freebsdfreebsdqemu-develp-cpe:/a:freebsd:freebsd:qemu-devel
freebsdfreebsdqemu-sbrunop-cpe:/a:freebsd:freebsd:qemu-sbruno
freebsdfreebsdqemu-user-staticp-cpe:/a:freebsd:freebsd:qemu-user-static
freebsdfreebsdcpe:/o:freebsd:freebsd