Fedora 43 : php (2026-f4272d87ef)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2026-f4272d87ef
#

include('compat.inc');

if (description)
{
  script_id(326232);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/10");
  script_xref(name:"FEDORA", value:"2026-f4272d87ef");

  script_name(english:"Fedora 43 : php (2026-f4272d87ef)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the
FEDORA-2026-f4272d87ef advisory.

    **PHP version 8.4.23** (03 Jul 2026)

    **Core:**

    * Fixed bug [GH-22280](https://github.com/php/php-src/issues/22280) (Incorrect compile error for goto to
    label preceding try/finally block). (Pratik Bhujel)

    **BCMath:**

    * Fixed issues with oversized allocations and signed overflow in bcround() and BcMath\Number::round().
    (edorian)

    **Date:**

    * Fix incorrect recurrence check of DatePeriod::createFromISO8601String(). (ndossche)

    **DOM:**

    * Fix [GH-22219](https://github.com/php/php-src/issues/22219) (Dom\XMLDocument::schemaValidate fails to
    resolve xs:QName with prefix from imported schema). (David Carlier)

    **Exif:**

    * Read correct value for single and double tags. (ndossche)

    **GD:**

    * Fixed bug [GH-22121](https://github.com/php/php-src/issues/22121) (Double free in gdImageSetStyle()
    after overflow-triggered early return). (iliaal)
    * Fixed bug [GH-19666](https://github.com/php/php-src/issues/19666) (imageconvolution() unexpected nan
    filter value). (David Carlier)
    * Fixed bug [GH-19739](https://github.com/php/php-src/issues/19739) (imageellipse/imagefilledellipse
    overflow). (David Carlier)
    * Fixed bug [GH-19730](https://github.com/php/php-src/issues/19730) (imageaffine overflow). (David
    Carlier)

    **Intl:**

    * Fix incorrect argument positions for uninitialized calendar arguments in IntlCalendar::equals(),
    ::before(), ::after(), and ::isEquivalentTo(), and for invalid start/end arguments in
    transliterator_transliterate(). (Weilin Du)
    * Fixed IntlTimeZone::getDisplayName() to synchronize object error state for invalid display types.
    (Weilin Du)
    * Fixed Spoofchecker restriction-level APIs to only be exposed with ICU 53 and later. (Graham Campbell)

    **mysqli:**

    * Fix stmt->query leak in mysqli_execute_query() validation errors. (David Carlier)

    **Opcache:**

    * Fixed bug [GH-20469](https://github.com/php/php-src/issues/20469) (Unsafe inheritance cache replay with
    reentrant autoloading). (Levi Morrison)

    **OpenSSL:**

    * Fixed bug [GH-22187](https://github.com/php/php-src/issues/22187) (Memory corruption (zend_mm_heap
    corrupted) in openssl_encrypt with AES-WRAP-PAD). (David Carlier)

    **Phar:**

    * Fixed a bypass of the magic .phar directory protection in Phar::addEmptyDir() for paths starting with
    /.phar, while allowing non-magic directory names that merely share the .phar prefix. (Weilin Du)

    **Reflection:**

    * Preserve class-name case in ReflectionClass::getProperty() error messages and autoloading. (jorgsowa)

    **Sqlite:**

    * Fix error checks for column retrieval. (ndossche)

    **Zlib:**

    * Fixed memory leak if deflate initialization fails and there is a dict. (ndossche)
    * Fixed memory leak in inflate_add(). (ndossche)


Tenable has extracted the preceding description block directly from the Fedora 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://bodhi.fedoraproject.org/updates/FEDORA-2026-f4272d87ef");
  script_set_attribute(attribute:"solution", value:
"Update the affected php package.");
  script_set_attribute(attribute:"risk_factor", value:"High");

  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:"2026/07/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:43");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:php");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Fedora 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/RedHat/release", "Host/RedHat/rpm-list");

  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) || 'Fedora' >!< os_product) audit(AUDIT_OS_NOT, 'Fedora');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
if (! preg(pattern:"^43([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'Fedora 43', 'Fedora ' + os_version);

if (!get_kb_item('Host/RedHat/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, 'Fedora', cpu);

var constraints = [
  {
    'release': '43',
    'pkgs': [
      {'reference':'php-8.4.23-1.fc43', '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, 'php');
}