5.8 Medium
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:P/I:P/A:P
7.1 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
7.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
42.4%
The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3689 advisory.
Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access (CVE-2020-0556)
Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of HID messages when no user interaction has occurred in the Central role to authorize such access. An example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556 mitigation would have already addressed this Bluetooth HID Hosts issue. (CVE-2023-45866)
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-3689. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(186966);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/19");
script_cve_id("CVE-2020-0556", "CVE-2023-45866");
script_name(english:"Debian DLA-3689-1 : bluez - LTS security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing one or more security-related updates.");
script_set_attribute(attribute:"description", value:
"The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dla-3689 advisory.
- Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to
potentially enable escalation of privilege and denial of service via adjacent access (CVE-2020-0556)
- Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and
establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of
HID messages when no user interaction has occurred in the Central role to authorize such access. An
example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556
mitigation would have already addressed this Bluetooth HID Hosts issue. (CVE-2023-45866)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/lts/security/2023/dla-3689");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-0556");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-45866");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/bluez");
script_set_attribute(attribute:"solution", value:
"Upgrade the bluez packages.
For Debian 10 Buster, this problem has been fixed in version 5.50-1.2~deb10u4.");
script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:P/I:P/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:C/C:L/I:L/A:L");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-0556");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/12");
script_set_attribute(attribute:"patch_publication_date", value:"2023/12/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/15");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluetooth");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluez");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluez-cups");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluez-hcidump");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluez-obexd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluez-test-scripts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bluez-test-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libbluetooth-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libbluetooth3");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include('debian_package.inc');
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(10)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 10.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);
var pkgs = [
{'release': '10.0', 'prefix': 'bluetooth', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'bluez', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'bluez-cups', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'bluez-hcidump', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'bluez-obexd', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'bluez-test-scripts', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'bluez-test-tools', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'libbluetooth-dev', 'reference': '5.50-1.2~deb10u4'},
{'release': '10.0', 'prefix': 'libbluetooth3', 'reference': '5.50-1.2~deb10u4'}
];
var flag = 0;
foreach package_array ( pkgs ) {
var _release = NULL;
var prefix = NULL;
var reference = NULL;
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (_release && prefix && reference) {
if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : deb_report_get()
);
exit(0);
}
else
{
var tested = deb_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bluetooth / bluez / bluez-cups / bluez-hcidump / bluez-obexd / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | bluetooth | p-cpe:/a:debian:debian_linux:bluetooth |
debian | debian_linux | bluez | p-cpe:/a:debian:debian_linux:bluez |
debian | debian_linux | bluez-cups | p-cpe:/a:debian:debian_linux:bluez-cups |
debian | debian_linux | bluez-hcidump | p-cpe:/a:debian:debian_linux:bluez-hcidump |
debian | debian_linux | bluez-obexd | p-cpe:/a:debian:debian_linux:bluez-obexd |
debian | debian_linux | bluez-test-scripts | p-cpe:/a:debian:debian_linux:bluez-test-scripts |
debian | debian_linux | bluez-test-tools | p-cpe:/a:debian:debian_linux:bluez-test-tools |
debian | debian_linux | libbluetooth-dev | p-cpe:/a:debian:debian_linux:libbluetooth-dev |
debian | debian_linux | libbluetooth3 | p-cpe:/a:debian:debian_linux:libbluetooth3 |
debian | debian_linux | 10.0 | cpe:/o:debian:debian_linux:10.0 |
5.8 Medium
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:P/I:P/A:P
7.1 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
7.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
42.4%