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Debian dla-4743 : ironic-api - security update

🗓️ 17 Aug 2026 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 5 Views

ironic command injection via chroot execution of tenant-controlled binaries and sensitive properties exposed in POST/PATCH responses.

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Refs
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Rows per page
#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-4743. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(335931);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/08/17");

  script_cve_id("CVE-2026-43003", "CVE-2026-54421");

  script_name(english:"Debian dla-4743 : ironic-api - 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 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dla-4743 advisory.

    -------------------------------------------------------------------------
    Debian LTS Advisory DLA-4743-1                [email protected]
    https://www.debian.org/lts/security/          Carlos Henrique Lima Melara
    August 16, 2026                               https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : ironic
    Version        : 1:21.4.4-0+deb12u2
    CVE ID         : CVE-2026-43003 CVE-2026-54421
    Debian Bug     : 1140012 1140187 1144214

    Multiple vulnerabilities were discovered in Ironic, the OpenStack bare metal
    hypervisor API for OpenStack.

    CVE-2026-54421

        Sensitive properties returned unredacted in POST and PATCH HTTP
        responses.

    CVE-2026-43003

        Command injection via chroot execution of tenant-controlled
        binaries.

    OSSN-0106

        API ramdisk endpoints require network-level access controls.


    For Debian 12 bookworm, these problems have been fixed in version
    1:21.4.4-0+deb12u2.

    We recommend that you upgrade your ironic packages.

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

    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: PGP signature

Tenable has extracted the preceding description block directly from the Debian security 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/ironic");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2026-43003");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2026-54421");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bookworm/ironic");
  script_set_attribute(attribute:"solution", value:
"Upgrade the ironic-api packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:S/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:H/PR:L/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-2026-43003");

  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:"2026/05/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/08/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/08/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ironic-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ironic-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ironic-conductor");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ironic-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:python3-ironic");
  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) 2026 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:"^(12)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 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': '12.0', 'prefix': 'ironic-api', 'reference': '1:21.4.4-0+deb12u2'},
    {'release': '12.0', 'prefix': 'ironic-common', 'reference': '1:21.4.4-0+deb12u2'},
    {'release': '12.0', 'prefix': 'ironic-conductor', 'reference': '1:21.4.4-0+deb12u2'},
    {'release': '12.0', 'prefix': 'ironic-doc', 'reference': '1:21.4.4-0+deb12u2'},
    {'release': '12.0', 'prefix': 'python3-ironic', 'reference': '1:21.4.4-0+deb12u2'}
];

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, 'ironic-api / ironic-common / ironic-conductor / ironic-doc / etc');
}

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17 Aug 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5 - 8.5
EPSS0.00823
SSVC
5