Ubuntu 16.04 LTS : PHP regression (USN-3211-2)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-3211-2. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include('compat.inc');

if (description)
{
  script_id(97521);
  script_version("3.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/20");

  script_cve_id(
    "CVE-2016-10158",
    "CVE-2016-10159",
    "CVE-2016-10160",
    "CVE-2016-10161",
    "CVE-2016-10162",
    "CVE-2016-7479",
    "CVE-2016-9137",
    "CVE-2016-9935",
    "CVE-2016-9936",
    "CVE-2017-5340"
  );
  script_xref(name:"USN", value:"3211-2");

  script_name(english:"Ubuntu 16.04 LTS : PHP regression (USN-3211-2)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15
upstream release. PHP 7.0.15 introduced a regression when using MySQL
with large blobs. This update fixes the problem with a backported fix.

It was discovered that PHP incorrectly handled certain invalid objects
when unserializing data. A remote attacker could use this issue to
cause PHP to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2016-7479)

It was discovered that PHP incorrectly handled certain
invalid objects when unserializing data. A remote attacker
could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code.
(CVE-2016-9137)

It was discovered that PHP incorrectly handled unserializing
certain wddxPacket XML documents. A remote attacker could
use this issue to cause PHP to crash, resulting in a denial
of service, or possibly execute arbitrary code.
(CVE-2016-9935)

It was discovered that PHP incorrectly handled certain
invalid objects when unserializing data. A remote attacker
could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code.
(CVE-2016-9936)

It was discovered that PHP incorrectly handled certain EXIF
data. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2016-10158)

It was discovered that PHP incorrectly handled certain PHAR
archives. A remote attacker could use this issue to cause
PHP to crash or consume resources, resulting in a denial of
service. (CVE-2016-10159)

It was discovered that PHP incorrectly handled certain PHAR
archives. A remote attacker could use this issue to cause
PHP to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2016-10160)

It was discovered that PHP incorrectly handled certain
invalid objects when unserializing data. A remote attacker
could use this issue to cause PHP to crash, resulting in a
denial of service. (CVE-2016-10161)

It was discovered that PHP incorrectly handled unserializing
certain wddxPacket XML documents. A remote attacker could
use this issue to cause PHP to crash, resulting in a denial
of service. (CVE-2016-10162)

It was discovered that PHP incorrectly handled certain
invalid objects when unserializing data. A remote attacker
could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code.
(CVE-2017-5340).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/notices/USN-3211-2");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  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:"cvss_score_source", value:"CVE-2017-5340");

  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:"2017/01/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/03/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/03/03");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-php7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libphp7.0-embed");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-bcmath");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-bz2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-cgi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-cli");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-curl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-dba");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-enchant");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-fpm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-gd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-gmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-imap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-interbase");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-intl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-json");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-mbstring");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-mcrypt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-odbc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-opcache");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-pgsql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-phpdbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-pspell");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-readline");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-recode");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-snmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-soap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-sqlite3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-sybase");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-tidy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-xml");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-xmlrpc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-xsl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:php7.0-zip");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"Ubuntu Security Notice (C) 2017-2023 Canonical, Inc. / NASL script (C) 2017-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.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 (! ('16.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 16.04', '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 pkgs = [
    {'osver': '16.04', 'pkgname': 'libapache2-mod-php7.0', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'libphp7.0-embed', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-bcmath', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-bz2', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-cgi', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-cli', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-common', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-curl', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-dba', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-dev', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-enchant', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-fpm', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-gd', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-gmp', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-imap', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-interbase', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-intl', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-json', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-ldap', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-mbstring', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-mcrypt', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-mysql', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-odbc', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-opcache', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-pgsql', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-phpdbg', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-pspell', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-readline', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-recode', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-snmp', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-soap', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-sqlite3', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-sybase', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-tidy', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-xml', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-xmlrpc', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-xsl', 'pkgver': '7.0.15-0ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'php7.0-zip', 'pkgver': '7.0.15-0ubuntu0.16.04.4'}
];

var flag = 0;
foreach 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 (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libapache2-mod-php7.0 / libphp7.0-embed / php7.0 / php7.0-bcmath / etc');
}