Debian dla-3874 : nsis - security update

#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-3874. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(206644);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/05");

  script_cve_id("CVE-2023-37378");

  script_name(english:"Debian dla-3874 : nsis - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-3874
advisory.

    -------------------------------------------------------------------------
    Debian LTS Advisory DLA-3874-1                [email protected]
    https://www.debian.org/lts/security/                       Daniel Leidert
    September 05, 2024                            https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : nsis
    Version        : 3.06.1-1+deb11u1
    CVE ID         : CVE-2023-37378
    Debian Bug     : 1040880

    CVE-2023-37378

        Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles
        access control for an uninstaller directory.

    For Debian 11 bullseye, this problem has been fixed in version
    3.06.1-1+deb11u1.

    We recommend that you upgrade your nsis packages.

    For the detailed security status of nsis please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/nsis

    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    Attachment:
    signature.asc
    Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian security advisory.

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://security-tracker.debian.org/tracker/source-package/nsis");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-37378");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/nsis");
  script_set_attribute(attribute:"solution", value:
"Upgrade the nsis packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  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:N/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-37378");

  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:"2023/07/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/09/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/09/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nsis");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nsis-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nsis-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nsis-pluginapi");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  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) 2024 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]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 11.0', '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': 'nsis', 'reference': '3.06.1-1+deb11u1'},
    {'release': '11.0', 'prefix': 'nsis-common', 'reference': '3.06.1-1+deb11u1'},
    {'release': '11.0', 'prefix': 'nsis-doc', 'reference': '3.06.1-1+deb11u1'},
    {'release': '11.0', 'prefix': 'nsis-pluginapi', 'reference': '3.06.1-1+deb11u1'}
];

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, 'nsis / nsis-common / nsis-doc / nsis-pluginapi');
}