Ubuntu 16.04 LTS / 16.10 : php7.0 regression (USN-3211-2)

2017-03-03T00:00:00
ID UBUNTU_USN-3211-2.NASL
Type nessus
Reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-08-02T00:00:00

Description

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.

                                        
                                            #
# (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("3.6");
  script_cvs_date("Date: 2019/09/18 12:31:46");

  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 / 16.10 : php7.0 regression (USN-3211-2)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  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://usn.ubuntu.com/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: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:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  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: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-fpm");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.10");

  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:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(16\.04|16\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04 / 16.10", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"16.04", pkgname:"libapache2-mod-php7.0", pkgver:"7.0.15-0ubuntu0.16.04.4")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"php7.0-cgi", pkgver:"7.0.15-0ubuntu0.16.04.4")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"php7.0-cli", pkgver:"7.0.15-0ubuntu0.16.04.4")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"php7.0-fpm", pkgver:"7.0.15-0ubuntu0.16.04.4")) flag++;
if (ubuntu_check(osver:"16.10", pkgname:"libapache2-mod-php7.0", pkgver:"7.0.15-0ubuntu0.16.10.4")) flag++;
if (ubuntu_check(osver:"16.10", pkgname:"php7.0-cgi", pkgver:"7.0.15-0ubuntu0.16.10.4")) flag++;
if (ubuntu_check(osver:"16.10", pkgname:"php7.0-cli", pkgver:"7.0.15-0ubuntu0.16.10.4")) flag++;
if (ubuntu_check(osver:"16.10", pkgname:"php7.0-fpm", pkgver:"7.0.15-0ubuntu0.16.10.4")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libapache2-mod-php7.0 / php7.0-cgi / php7.0-cli / php7.0-fpm");
}