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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.AL2_ALASPHP8_0-2023-002.NASL
HistorySep 13, 2023 - 12:00 a.m.

Amazon Linux 2 : php (ALASPHP8.0-2023-002)

2023-09-1300:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
6

The version of php installed on the remote host is prior to 8.0.28-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2PHP8.0-2023-002 advisory.

  • In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid. (CVE-2023-0567)

  • In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space. (CVE-2023-0662)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2 Security Advisory ALASPHP8.0-2023-002.
##

include('compat.inc');

if (description)
{
  script_id(181376);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/18");

  script_cve_id("CVE-2023-0567", "CVE-2023-0568", "CVE-2023-0662");
  script_xref(name:"IAVA", value:"2023-A-0105-S");
  script_xref(name:"IAVA", value:"2023-A-0423");

  script_name(english:"Amazon Linux 2 : php (ALASPHP8.0-2023-002)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2 host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The version of php installed on the remote host is prior to 8.0.28-1. It is, therefore, affected by multiple
vulnerabilities as referenced in the ALAS2PHP8.0-2023-002 advisory.

  - In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may
    accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database,
    it may lead to an application allowing any password for this entry as valid. (CVE-2023-0567)

  - In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP
    form upload can cause high resource consumption and excessive number of log entries. This can cause denial
    of service on the affected server by exhausting CPU resources or disk space. (CVE-2023-0662)

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://alas.aws.amazon.com/AL2/ALASPHP8.0-2023-002.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/faqs.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-0567.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-0568.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-0662.html");
  script_set_attribute(attribute:"solution", value:
"Run 'yum update php' to update your system.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/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:H/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:"cvss_score_source", value:"CVE-2023-0568");

  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:"2023/02/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/08/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-bcmath");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-cli");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-dba");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-embedded");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-enchant");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-fpm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-gd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-gmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-intl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-mbstring");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-mysqlnd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-odbc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-opcache");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-pdo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-pgsql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-process");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-pspell");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-snmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-soap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-sodium");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:php-xml");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2");
  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:"Amazon Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");

  exit(0);
}

include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var alas_release = get_kb_item("Host/AmazonLinux/release");
if (isnull(alas_release) || !strlen(alas_release)) audit(AUDIT_OS_NOT, "Amazon Linux");
var os_ver = pregmatch(pattern: "^AL(A|\d+|-\d+)", string:alas_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "2")
{
  if (os_ver == 'A') os_ver = 'AMI';
  audit(AUDIT_OS_NOT, "Amazon Linux 2", "Amazon Linux " + os_ver);
}

if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

var pkgs = [
    {'reference':'php-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-bcmath-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-bcmath-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-cli-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-cli-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-common-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-common-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-dba-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-dba-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-dbg-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-dbg-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-debuginfo-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-debuginfo-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-devel-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-devel-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-embedded-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-embedded-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-enchant-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-enchant-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-fpm-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-fpm-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-gd-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-gd-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-gmp-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-gmp-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-intl-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-intl-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-ldap-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-ldap-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-mbstring-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-mbstring-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-mysqlnd-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-mysqlnd-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-odbc-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-odbc-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-opcache-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-opcache-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-pdo-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-pdo-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-pgsql-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-pgsql-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-process-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-process-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-pspell-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-pspell-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-snmp-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-snmp-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-soap-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-soap-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-sodium-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-sodium-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-xml-8.0.28-1.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'},
    {'reference':'php-xml-8.0.28-1.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'php8.0'}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var el_string = NULL;
  var rpm_spec_vers_cmp = NULL;
  var epoch = NULL;
  var allowmaj = NULL;
  var exists_check = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) 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");
}
VendorProductVersionCPE
amazonlinuxphpp-cpe:/a:amazon:linux:php
amazonlinuxphp-bcmathp-cpe:/a:amazon:linux:php-bcmath
amazonlinuxphp-clip-cpe:/a:amazon:linux:php-cli
amazonlinuxphp-commonp-cpe:/a:amazon:linux:php-common
amazonlinuxphp-dbap-cpe:/a:amazon:linux:php-dba
amazonlinuxphp-dbgp-cpe:/a:amazon:linux:php-dbg
amazonlinuxphp-debuginfop-cpe:/a:amazon:linux:php-debuginfo
amazonlinuxphp-develp-cpe:/a:amazon:linux:php-devel
amazonlinuxphp-embeddedp-cpe:/a:amazon:linux:php-embedded
amazonlinuxphp-enchantp-cpe:/a:amazon:linux:php-enchant
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