Debian dla-4042 : asterisk - 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-4042. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(215046);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/02/05");

  script_cve_id("CVE-2024-53566");

  script_name(english:"Debian dla-4042 : asterisk - 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-4042
advisory.

    -------------------------------------------------------------------------
    Debian LTS Advisory DLA-4042-1                [email protected]
    https://www.debian.org/lts/security/                       Daniel Leidert
    February 06, 2025                             https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : asterisk
    Version        : 1:16.28.0~dfsg-0+deb11u6
    CVE ID         : CVE-2024-53566
    Debian Bug     :

    An issue has been found in asterisk, an Open Source Private Branch
    Exchange.

    CVE-2024-53566

       It is possible to access files outside the configuration directory
       via AMI and path traversal even when live_dangerously is not
       enabled.

    For Debian 11 bullseye, this problem has been fixed in version
    1:16.28.0~dfsg-0+deb11u6.

    We recommend that you upgrade your asterisk packages.

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

    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/asterisk");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2024-53566");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/asterisk");
  script_set_attribute(attribute:"solution", value:
"Upgrade the asterisk packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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-2024-53566");

  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:"2024/12/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/02/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/02/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-config");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-dahdi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-mobile");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-mp3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-ooh323");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-tests");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-voicemail");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-voicemail-imapstorage");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-voicemail-odbcstorage");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:asterisk-vpb");
  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) 2025 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': 'asterisk', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-config', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-dahdi', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-dev', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-doc', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-mobile', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-modules', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-mp3', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-mysql', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-ooh323', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-tests', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-voicemail', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-voicemail-imapstorage', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-voicemail-odbcstorage', 'reference': '1:16.28.0~dfsg-0+deb11u6'},
    {'release': '11.0', 'prefix': 'asterisk-vpb', 'reference': '1:16.28.0~dfsg-0+deb11u6'}
];

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_HOLE,
    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, 'asterisk / asterisk-config / asterisk-dahdi / asterisk-dev / etc');
}