7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
32.8%
The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5519 advisory.
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 dsa-5519. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(182750);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/02");
script_cve_id("CVE-2023-4692", "CVE-2023-4693");
script_name(english:"Debian DSA-5519-1 : grub2 - 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 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dsa-5519 advisory.
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://security-tracker.debian.org/tracker/source-package/grub2");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2023/dsa-5519");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-4692");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-4693");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/grub2");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bookworm/grub2");
script_set_attribute(attribute:"solution", value:
"Upgrade the grub2 packages.
For the stable distribution (bookworm), these problems have been fixed in version 2.06-13+deb12u1.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-4692");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/10/06");
script_set_attribute(attribute:"patch_publication_date", value:"2023/10/06");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/10/07");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-coreboot");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-coreboot-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-coreboot-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-amd64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-amd64-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-amd64-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-amd64-signed-template");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm64-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm64-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-arm64-signed-template");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-ia32");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-ia32-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-ia32-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-efi-ia32-signed-template");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-emu");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-emu-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-firmware-qemu");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-ieee1275");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-ieee1275-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-ieee1275-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-linuxbios");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-mount-udeb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-pc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-pc-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-pc-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-rescue-pc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-theme-starfield");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-uboot");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-uboot-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-uboot-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-xen-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-xen-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-xen-host");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-yeeloong");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-yeeloong-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub-yeeloong-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:grub2-common");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:12.0");
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:"^(11)\.[0-9]+|^(12)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 11.0 / 12.0', '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': '11.0', 'prefix': 'grub-common', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-coreboot', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-coreboot-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-coreboot-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-amd64', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-amd64-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-amd64-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-amd64-signed-template', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm64', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm64-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm64-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-arm64-signed-template', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-ia32', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-ia32-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-ia32-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-efi-ia32-signed-template', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-emu', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-emu-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-firmware-qemu', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-ieee1275', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-ieee1275-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-ieee1275-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-linuxbios', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-mount-udeb', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-pc', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-pc-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-pc-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-rescue-pc', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-theme-starfield', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-uboot', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-uboot-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-uboot-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-xen', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-xen-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-xen-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-xen-host', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-yeeloong', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-yeeloong-bin', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub-yeeloong-dbg', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub2', 'reference': '2.06-3~deb11u6'},
{'release': '11.0', 'prefix': 'grub2-common', 'reference': '2.06-3~deb11u6'},
{'release': '12.0', 'prefix': 'grub-common', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-coreboot', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-coreboot-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-coreboot-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-amd64', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-amd64-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-amd64-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-amd64-signed-template', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm64', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm64-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm64-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-arm64-signed-template', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-ia32', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-ia32-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-ia32-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-efi-ia32-signed-template', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-emu', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-emu-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-firmware-qemu', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-ieee1275', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-ieee1275-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-ieee1275-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-linuxbios', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-mount-udeb', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-pc', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-pc-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-pc-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-rescue-pc', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-theme-starfield', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-uboot', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-uboot-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-uboot-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-xen', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-xen-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-xen-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-xen-host', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-yeeloong', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-yeeloong-bin', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub-yeeloong-dbg', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub2', 'reference': '2.06-13+deb12u1'},
{'release': '12.0', 'prefix': 'grub2-common', 'reference': '2.06-13+deb12u1'}
];
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, 'grub-common / grub-coreboot / grub-coreboot-bin / grub-coreboot-dbg / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | grub-common | p-cpe:/a:debian:debian_linux:grub-common |
debian | debian_linux | grub-coreboot | p-cpe:/a:debian:debian_linux:grub-coreboot |
debian | debian_linux | grub-coreboot-bin | p-cpe:/a:debian:debian_linux:grub-coreboot-bin |
debian | debian_linux | grub-coreboot-dbg | p-cpe:/a:debian:debian_linux:grub-coreboot-dbg |
debian | debian_linux | grub-efi | p-cpe:/a:debian:debian_linux:grub-efi |
debian | debian_linux | grub-efi-amd64 | p-cpe:/a:debian:debian_linux:grub-efi-amd64 |
debian | debian_linux | grub-efi-amd64-bin | p-cpe:/a:debian:debian_linux:grub-efi-amd64-bin |
debian | debian_linux | grub-efi-amd64-dbg | p-cpe:/a:debian:debian_linux:grub-efi-amd64-dbg |
debian | debian_linux | grub-efi-amd64-signed-template | p-cpe:/a:debian:debian_linux:grub-efi-amd64-signed-template |
debian | debian_linux | grub-efi-arm | p-cpe:/a:debian:debian_linux:grub-efi-arm |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4692
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4693
packages.debian.org/source/bookworm/grub2
packages.debian.org/source/bullseye/grub2
security-tracker.debian.org/tracker/CVE-2023-4692
security-tracker.debian.org/tracker/CVE-2023-4693
security-tracker.debian.org/tracker/source-package/grub2
www.debian.org/security/2023/dsa-5519
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
32.8%