The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5583-1 advisory.
Note that Nessus has not tested for this issue 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 Ubuntu Security Notice USN-5583-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##
include('compat.inc');
if (description)
{
script_id(164486);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/12");
script_cve_id("CVE-2022-2526");
script_xref(name:"USN", value:"5583-1");
script_name(english:"Ubuntu 18.04 LTS : systemd vulnerability (USN-5583-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the
USN-5583-1 advisory.
- systemd-resolved: use-after-free when dealing with DnsStream in resolved-dns-stream.c (CVE-2022-2526)
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://ubuntu.com/security/notices/USN-5583-1");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2022-2526");
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:"2022/08/24");
script_set_attribute(attribute:"patch_publication_date", value:"2022/08/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/08/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnss-myhostname");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnss-mymachines");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnss-resolve");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnss-systemd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpam-systemd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsystemd-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsystemd0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libudev-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libudev1");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:systemd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:systemd-container");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:systemd-coredump");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:systemd-journal-remote");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:systemd-sysv");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:systemd-tests");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:udev");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Ubuntu Local Security Checks");
script_copyright(english:"Ubuntu Security Notice (C) 2022-2023 Canonical, Inc. / NASL script (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/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);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('18.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 18.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);
var pkgs = [
{'osver': '18.04', 'pkgname': 'libnss-myhostname', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libnss-mymachines', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libnss-resolve', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libnss-systemd', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libpam-systemd', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libsystemd-dev', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libsystemd0', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libudev-dev', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'libudev1', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'systemd', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'systemd-container', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'systemd-coredump', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'systemd-journal-remote', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'systemd-sysv', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'systemd-tests', 'pkgver': '237-3ubuntu10.54'},
{'osver': '18.04', 'pkgname': 'udev', 'pkgver': '237-3ubuntu10.54'}
];
var flag = 0;
foreach package_array ( pkgs ) {
var osver = NULL;
var pkgname = NULL;
var pkgver = NULL;
if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
if (osver && pkgname && pkgver) {
if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : ubuntu_report_get()
);
exit(0);
}
else
{
var tested = ubuntu_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libnss-myhostname / libnss-mymachines / libnss-resolve / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | 18.04 | cpe:/o:canonical:ubuntu_linux:18.04:-:lts |
canonical | ubuntu_linux | libnss-myhostname | p-cpe:/a:canonical:ubuntu_linux:libnss-myhostname |
canonical | ubuntu_linux | libnss-mymachines | p-cpe:/a:canonical:ubuntu_linux:libnss-mymachines |
canonical | ubuntu_linux | libnss-resolve | p-cpe:/a:canonical:ubuntu_linux:libnss-resolve |
canonical | ubuntu_linux | libnss-systemd | p-cpe:/a:canonical:ubuntu_linux:libnss-systemd |
canonical | ubuntu_linux | libpam-systemd | p-cpe:/a:canonical:ubuntu_linux:libpam-systemd |
canonical | ubuntu_linux | libsystemd-dev | p-cpe:/a:canonical:ubuntu_linux:libsystemd-dev |
canonical | ubuntu_linux | libsystemd0 | p-cpe:/a:canonical:ubuntu_linux:libsystemd0 |
canonical | ubuntu_linux | libudev-dev | p-cpe:/a:canonical:ubuntu_linux:libudev-dev |
canonical | ubuntu_linux | libudev1 | p-cpe:/a:canonical:ubuntu_linux:libudev1 |