Oracle Linux 9 : php (ELSA-2026-87151)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2026-87151.
##

include('compat.inc');

if (description)
{
  script_id(370307);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/22");

  script_cve_id("CVE-2026-91765", "CVE-2026-109618", "CVE-2026-109619");
  script_xref(name:"IAVA", value:"2026-A-1074-S");
  script_xref(name:"IAVA", value:"2026-A-1141");

  script_name(english:"Oracle Linux 9 : php (ELSA-2026-87151)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2026-87151 advisory.

    - Fix IPv6 ACL bypass in FastCGI listen.allowed_clients due to partial address comparison
      CVE-2026-91768
    - Fix Various packet overreads in mysqlnd wire protocol
      CVE-2025-1218
    - Fix TLS hostname verification falls back to CN after SAN mismatch
      CVE-2026-91769
    - Fix Heap buffer overflow in php_openssl_matches_wildcard_name() on crafted server certificate wildcard
    CN
      CVE-2026-91767
    - Fix Integer overflow in phar_tar_number() allowing TAR archive entry injection
      CVE-2026-6103
    - Fix Unbounded recursion in server-side cleanup_xml_node()
      CVE-2026-91765
    - Fix Integer overflow to buffer overflow in SOAP HTTP parsing
      CVE-2025-14181
    - Fix Out-of-bounds read in convert.* stream filters when line-break-chars contains NUL
      CVE-2026-92842
    - Fix Cross-origin credential leak in HTTP stream wrapper redirects
      CVE-2026-91766
    - Fix Out-of-bounds read in the HTTP stream wrapper when following a redirect with an empty Location
    header
      CVE-2026-93682

Tenable has extracted the preceding description block directly from the Oracle 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://linux.oracle.com/errata/ELSA-2026-87151.html");
  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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-109619");

  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:"2026/09/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-bcmath");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-cli");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-dba");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-embedded");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-enchant");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-ffi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-fpm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-gd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-gmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-intl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-mbstring");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-mysqlnd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-odbc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-opcache");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-pdo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-pgsql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-process");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-snmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-soap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:php-xml");
  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:"Oracle Linux 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_info2.nasl");
  script_require_keys("Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");

  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) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_product)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
if (! preg(pattern:"^9([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'Oracle Linux 9.x', 'Oracle Linux ' + 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$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);

var constraints = [
  {
    'release': '9',
    'pkgs': [
      {'reference':'php-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-bcmath-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-cli-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-common-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-dba-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-dbg-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-devel-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-embedded-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-enchant-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-ffi-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-fpm-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-gd-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-gmp-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-intl-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-ldap-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-mbstring-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-mysqlnd-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-odbc-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-opcache-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-pdo-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-pgsql-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-process-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-snmp-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-soap-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-xml-8.0.30-8.el9_8.1', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-bcmath-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-cli-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-common-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-dba-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-dbg-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-devel-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-embedded-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-enchant-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-ffi-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-fpm-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-gd-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-gmp-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-intl-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-ldap-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-mbstring-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-mysqlnd-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-odbc-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-opcache-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-pdo-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-pgsql-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-process-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-snmp-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-soap-8.0.30-8.el9_8.1', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'php-xml-8.0.30-8.el9_8.1', '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, 'php / php-bcmath / php-cli / etc');
}