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nessusThis script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.FREEBSD_PKG_CFF0B2E2071611EB9E5D08002728F74C.NASL
HistoryOct 06, 2020 - 12:00 a.m.

FreeBSD : libexif -- multiple vulnerabilities (cff0b2e2-0716-11eb-9e5d-08002728f74c)

2020-10-0600:00:00
This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
17

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.01 Low

EPSS

Percentile

83.4%

Release notes :

Lots of fixes exposed by fuzzers like AFL, ClusterFuzz, OSSFuzz and others :

CVE-2016-6328: fixed integer overflow when parsing maker notes

CVE-2017-7544: fixed buffer overread

CVE-2018-20030: Fix for recursion DoS

CVE-2019-9278: replaced integer overflow checks the compiler could optimize away by safer constructs

CVE-2020-0093: read overflow

CVE-2020-12767: fixed division by zero

CVE-2020-13112: Various buffer overread fixes due to integer overflows in maker notes

CVE-2020-13113: Potential use of uninitialized memory

CVE-2020-13114: Time consumption DoS when parsing canon array markers

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2020 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(141191);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/10/06");

  script_name(english:"FreeBSD : libexif -- multiple vulnerabilities (cff0b2e2-0716-11eb-9e5d-08002728f74c)");
  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:
"Release notes :

Lots of fixes exposed by fuzzers like AFL, ClusterFuzz, OSSFuzz and
others :

CVE-2016-6328: fixed integer overflow when parsing maker notes

CVE-2017-7544: fixed buffer overread

CVE-2018-20030: Fix for recursion DoS

CVE-2019-9278: replaced integer overflow checks the compiler could
optimize away by safer constructs

CVE-2020-0093: read overflow

CVE-2020-12767: fixed division by zero 

CVE-2020-13112: Various buffer overread fixes due to integer overflows
in maker notes

CVE-2020-13113: Potential use of uninitialized memory 

CVE-2020-13114: Time consumption DoS when parsing canon array markers"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://github.com/libexif/libexif/blob/master/NEWS"
  );
  # https://vuxml.freebsd.org/freebsd/cff0b2e2-0716-11eb-9e5d-08002728f74c.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?0327a07a"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected package.");
  script_set_attribute(attribute:"risk_factor", value:"High");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/10/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/10/06");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 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:"libexif<0.6.22")) 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");
VendorProductVersionCPE
freebsdfreebsdlibexifp-cpe:/a:freebsd:freebsd:libexif
freebsdfreebsdcpe:/o:freebsd:freebsd

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.01 Low

EPSS

Percentile

83.4%