Ubuntu 24.04 LTS / 25.04 : Tomcat vulnerabilities (USN-7705-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-7705-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##

include('compat.inc');

if (description)
{
  script_id(253066);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/08/20");

  script_cve_id(
    "CVE-2024-50379",
    "CVE-2024-52317",
    "CVE-2024-54677",
    "CVE-2025-31650",
    "CVE-2025-31651",
    "CVE-2025-46701"
  );
  script_xref(name:"IAVA", value:"2024-A-0754-S");
  script_xref(name:"IAVA", value:"2024-A-0822-S");
  script_xref(name:"IAVA", value:"2025-A-0313-S");
  script_xref(name:"IAVA", value:"2025-A-0389-S");
  script_xref(name:"USN", value:"7705-1");

  script_name(english:"Ubuntu 24.04 LTS / 25.04 : Tomcat vulnerabilities (USN-7705-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 24.04 LTS / 25.04 host has packages installed that are affected by multiple vulnerabilities as
referenced in the USN-7705-1 advisory.

    It was discovered that Tomcat did not correctly handle case sensitivity. An attacker could possibly use
    this issue to bypass authentication mechanisms. (CVE-2025-46701)

    Elysee Franchuk discovered that Tomcat did not correctly limit the number of attributes for a session. An
    attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04
    LTS. (CVE-2024-54677)

    It was discovered that Tomcat did not correctly sanitize certain URLs. An attacker could possibly use this
    issue to bypass authentication mechanisms. (CVE-2025-31651)

    It was discovered that Tomcat did not correctly handle certain malformed HTTP headers, which could lead to
    a memory leak. An attacker could possibly use this issue to cause a denial of service. This issue only
    affected Ubuntu 24.04 LTS. (CVE-2025-31650)

    It was discovered that Tomcat did not correctly handle concurrent operations under certain circumstances.
    An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 24.04
    LTS. (CVE-2024-50379)

    It was discovered that Tomcat did not correctly handle certain authentication errors. An attacker could
    possibly use this issue to bypass authentication mechanisms. This issue only affected Ubuntu 24.04 LTS.
    (CVE-2024-52316)

Tenable has extracted the preceding description block directly from the Ubuntu 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://ubuntu.com/security/notices/USN-7705-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/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:N/AC:L/PR:N/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:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:P");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-31651");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2025-31650");

  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:"2024/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/08/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:24.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:25.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtomcat10-embed-java");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtomcat10-java");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:tomcat10");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:tomcat10-admin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:tomcat10-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:tomcat10-examples");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:tomcat10-user");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Ubuntu Local Security Checks");

  script_copyright(english:"Ubuntu Security Notice (C) 2025 Canonical, Inc. / NASL script (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "ubuntu_pro_sub_detect.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/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);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('24.04' >< os_release || '25.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 24.04 / 25.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) 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, 'Ubuntu', cpu);
var ubuntu_pro_detected = get_kb_item('Host/Ubuntu/Pro/Services/esm-apps');
ubuntu_pro_detected = !empty_or_null(ubuntu_pro_detected);

var pro_caveat_needed = FALSE;

var pkgs = [
    {'osver': '24.04', 'pkgname': 'libtomcat10-embed-java', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '24.04', 'pkgname': 'libtomcat10-java', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '24.04', 'pkgname': 'tomcat10', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '24.04', 'pkgname': 'tomcat10-admin', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '24.04', 'pkgname': 'tomcat10-common', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '24.04', 'pkgname': 'tomcat10-examples', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '24.04', 'pkgname': 'tomcat10-user', 'pkgver': '10.1.16-1ubuntu0.1~esm3', 'ubuntu_pro': TRUE, 'cves': ['CVE-2024-50379', 'CVE-2024-52316', 'CVE-2024-54677', 'CVE-2025-31650', 'CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'libtomcat10-embed-java', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'libtomcat10-java', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'tomcat10', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'tomcat10-admin', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'tomcat10-common', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'tomcat10-examples', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']},
    {'osver': '25.04', 'pkgname': 'tomcat10-user', 'pkgver': '10.1.35-1ubuntu0.1', 'ubuntu_pro': FALSE, 'cves': ['CVE-2025-31651', 'CVE-2025-46701']}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  if (!empty_or_null(package_array['cves'])) cves = package_array['cves'];
  var pro_required = NULL;
  if (!empty_or_null(package_array['ubuntu_pro'])) pro_required = package_array['ubuntu_pro'];
  if (osver && pkgname && pkgver) {
    if (deb_check(release:osver, prefix:pkgname, reference:pkgver, cves:cves)) {
        flag++;
        if (!ubuntu_pro_detected && !pro_caveat_needed) pro_caveat_needed = pro_required;
    }
  }
}

if (flag)
{
  var extra = '';
  if (pro_caveat_needed) {
    extra += 'NOTE: This vulnerability check contains fixes that apply to packages only \n';
    extra += 'available in Ubuntu ESM repositories. Access to these package security updates \n';
    extra += 'require an Ubuntu Pro subscription.\n\n';
  }
  extra += ubuntu_report_get();
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : extra
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libtomcat10-embed-java / libtomcat10-java / tomcat10 / etc');
}