Vulnerabilities > CVE-2020-7045 - NULL Pointer Dereference vulnerability in multiple products

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

include('compat.inc');

if (description)
{
  script_id(133212);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/14");

  script_cve_id("CVE-2020-7045");

  script_name(english:"Wireshark 3.0.x < 3.0.8 Denial of Service (DoS) Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote Windows host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Wireshark installed on the remote Windows host is prior to 3.0.8. It is, therefore, 
affected by a denial of service (DoS) vulnerability in its Bluetooth Attribute dissector component 
due to insufficient packet processing logic. An unauthenticated, remote attacker can exploit this 
issue, by sending specially crafted packets to an affected host, to cause a DoS condition to occur 
in the component. 

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.wireshark.org/docs/relnotes/wireshark-3.0.8.html");
  script_set_attribute(attribute:"see_also", value:"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258");
  script_set_attribute(attribute:"see_also", value:"https://www.wireshark.org/security/wnpa-sec-2020-02");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Wireshark version 3.0.8 or later.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-7045");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:wireshark:wireshark");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("wireshark_installed.nasl");
  script_require_keys("installed_sw/Wireshark", "SMB/Registry/Enumerated");

  exit(0);
}

include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');

app_info = vcf::get_app_info(app:'Wireshark', win_local:TRUE);

constraints = [
  { 'min_version' : '3.0.0', 'fixed_version' : '3.0.8' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_NOTE);

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

include('compat.inc');

if (description)
{
  script_id(133211);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/14");

  script_cve_id("CVE-2020-7045");

  script_name(english:"Wireshark 3.0.x < 3.0.8  Denial of Service (DoS) Vulnerability (macOS)");

  script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote macOS / Mac OS X host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Wireshark installed on the remote macOS / Mac OS X host is 3.0.x prior to 3.0.8. 
It is, therefore, affected by a denial of service (DoS) vulnerability in its Bluetooth Attribute 
dissector component due to insufficient packet processing logic. An unauthenticated, remote attacker 
can exploit this issue, by sending specially crafted packets to an affected host, to cause a DoS 
condition to occur in the component. 

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.wireshark.org/docs/relnotes/wireshark-3.0.8.html");
  script_set_attribute(attribute:"see_also", value:"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258");
  script_set_attribute(attribute:"see_also", value:"https://www.wireshark.org/security/wnpa-sec-2020-02");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Wireshark version 3.0.8 or later.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-7045");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:wireshark:wireshark");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_wireshark_installed.nbin");
  script_require_keys("installed_sw/Wireshark", "Host/MacOSX/Version", "Host/local_checks_enabled");

  exit(0);
}

include('vcf.inc');

app_info = vcf::get_app_info(app:'Wireshark');

constraints = [
  { 'min_version' : '3.0.0', 'fixed_version' : '3.0.8' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_NOTE);