TencentOS Server 4: dcmtk (TSSA-2025:0211)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Tencent Linux Security Advisory TSSA-2025:0211.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(238894);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/12/04");

  script_cve_id(
    "CVE-2022-43272",
    "CVE-2024-34508",
    "CVE-2024-34509",
    "CVE-2024-47796",
    "CVE-2024-52333",
    "CVE-2025-25472",
    "CVE-2025-25474",
    "CVE-2025-25475"
  );

  script_name(english:"TencentOS Server 4: dcmtk (TSSA-2025:0211)");

  script_set_attribute(attribute:"synopsis", value:
"The remote TencentOS Server 4 host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is,
therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0211 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2022-43272:
    DCMTK v3.6.7 was discovered to contain a memory leak via the T_ASC_Association object.

    CVE-2024-47796:
    An improper array index validation vulnerability exists in the nowindow functionality of OFFIS DCMTK
    3.6.8. A specially crafted DICOM file can lead to an out-of-bounds write. An attacker can provide a
    malicious file to trigger this vulnerability.

    CVE-2025-25472:
    A buffer overflow in DCMTK git master v3.6.9+ DEV allows attackers to cause a Denial of Service (DoS) via
    a crafted DCM file.

    CVE-2025-25474:
    DCMTK v3.6.9+ DEV was discovered to contain a buffer overflow via the component /dcmimgle/diinpxt.h.

    CVE-2024-52333:
    An improper array index validation vulnerability exists in the determineMinMax functionality of OFFIS
    DCMTK 3.6.8. A specially crafted DICOM file can lead to an out-of-bounds write. An attacker can provide a
    malicious file to trigger this vulnerability.

    CVE-2024-34509:
    dcmdata in DCMTK before 3.6.9 has a segmentation fault via an invalid DIMSE message.

    CVE-2024-34508:
    dcmnet in DCMTK before 3.6.9 has a segmentation fault via an invalid DIMSE message.

    CVE-2025-25475:
    A NULL pointer dereference in the component /libsrc/dcrleccd.cc of DCMTK v3.6.9+ DEV allows attackers to
    cause a Denial of Service (DoS) via a crafted DICOM file.

Tenable has extracted the preceding description block directly from the Tencent Linux 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://mirrors.tencent.com/tlinux/errata/tssa-20250211.xml");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/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:N/UI:R/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-2024-52333");

  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:"2025/03/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/03/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:tencent:tencentos_server:4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:tencent:tencentos_server:dcmtk");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tencent 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_info2.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/etc/os-release", "Host/TencentOS/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'TencentOS' >!< os_product) audit(AUDIT_OS_NOT, 'TencentOS');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'TencentOS');
if (! preg(pattern:"^4([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'TencentOS 4.x', 'TencentOS ' + os_version);

if (!get_kb_item('Host/TencentOS/rpm-list')) 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, 'TencentOS', cpu);

var constraints = [
  {
    'release': '4',
    'pkgs': [
      {'reference':'dcmtk-3.6.9-1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-3.6.9-1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-debuginfo-3.6.9-1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-debuginfo-3.6.9-1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-debugsource-3.6.9-1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-debugsource-3.6.9-1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-devel-3.6.9-1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'dcmtk-devel-3.6.9-1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'dcmtk / dcmtk-debuginfo / dcmtk-debugsource / etc');
}