Vulnerabilities > CVE-2016-1723 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Apple Safari

047910
CVSS 8.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
apple
CWE-119
nessus
NVD
Published: 2016-02-01
Updated: 2024-11-21

Summary

WebKit, as used in Apple iOS before 9.2.1 and Safari before 9.0.3, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-1725 and CVE-2016-1726.

Vulnerable Configurations

Part Description Count
Application
Apple
143
OS
Apple
144

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Nessus

  • NASL familyMacOS X Local Security Checks
    NASL idMACOSX_SAFARI9_0_3.NASL
    descriptionThe version of Apple Safari installed on the remote Mac OS X host is prior to 9.0.3. It is, therefore, affected by the following vulnerabilities : - Multiple memory corruption vulnerabilities exist in WebKit due to improper validation of user-supplied input. A remote attacker, via a specially crafted website, can exploit these issues to execute arbitrary code or cause a denial of service. (CVE-2016-1723, CVE-2016-1724, CVE-2016-1725, CVE-2016-1726, CVE-2016-1727) - A flaw exists in the Cascading Style Sheets (CSS) implementation in WebKit CSS when handling the
    last seen2020-06-01
    modified2020-06-02
    plugin id88597
    published2016-02-05
    reporterThis script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/88597
    titleMac OS X : Apple Safari < 9.0.3 Multiple Vulnerabilities
    code
    #
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(88597);
  script_version("1.5");
  script_cvs_date("Date: 2019/11/20");

  script_cve_id(
    "CVE-2016-1723",
    "CVE-2016-1724",
    "CVE-2016-1725",
    "CVE-2016-1726",
    "CVE-2016-1727",
    "CVE-2016-1728"
  );
  script_bugtraq_id(81263);
  script_xref(name:"APPLE-SA", value:"APPLE-SA-2016-01-19-3");

  script_name(english:"Mac OS X : Apple Safari < 9.0.3 Multiple Vulnerabilities");
  script_summary(english:"Checks the Safari version.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has a web browser installed that is affected by
multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Apple Safari installed on the remote Mac OS X host is
prior to 9.0.3. It is, therefore, affected by the following
vulnerabilities :

  - Multiple memory corruption vulnerabilities exist in
    WebKit due to improper validation of user-supplied
    input. A remote attacker, via a specially crafted
    website, can exploit these issues to execute arbitrary
    code or cause a denial of service. (CVE-2016-1723,
    CVE-2016-1724, CVE-2016-1725, CVE-2016-1726,
    CVE-2016-1727)

  - A flaw exists in the Cascading Style Sheets (CSS)
    implementation in WebKit CSS when handling the
    'a:visited button' CSS selector while evaluating the
    height of the containing element. A remote attacker
    can exploit this, via a crafted website, to obtain
    sensitive browser history information. (CVE-2016-1728)");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT205730");
  # http://lists.apple.com/archives/security-announce/2016/Jan/msg00004.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c7e0375f");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Apple Safari version 9.0.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:R/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:"cvss_score_source", value:"CVE-2016-1727");

  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:"2016/01/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:apple:safari");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_Safari31.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/MacOSX/Version", "MacOSX/Safari/Installed");

  exit(0);
}

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

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
os = get_kb_item("Host/MacOSX/Version");
if (!os) audit(AUDIT_OS_NOT, "Mac OS X");

if (!ereg(pattern:"Mac OS X 10\.(9|10|11)([^0-9]|$)", string:os)) audit(AUDIT_OS_NOT, "Mac OS X 10.9 / 10.10 / 10.11");

installed = get_kb_item_or_exit("MacOSX/Safari/Installed", exit_code:0);
path    = get_kb_item_or_exit("MacOSX/Safari/Path", exit_code:1);
version = get_kb_item_or_exit("MacOSX/Safari/Version", exit_code:1);

fixed_version = "9.0.3";

if (ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1)
{
  if (report_verbosity > 0)
  {
    report =
      '\n  Path              : ' + path +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fixed_version +
      '\n';
    security_hole(port:0, extra:report);
  }
  else security_hole(0);
}
else audit(AUDIT_INST_PATH_NOT_VULN, "Safari", version, path);
  • NASL familyGentoo Local Security Checks
    NASL idGENTOO_GLSA-201706-15.NASL
    descriptionThe remote host is affected by the vulnerability described in GLSA-201706-15 (WebKitGTK+: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in WebKitGTK+. Please review the CVE identifiers referenced below for details. Impact : A remote attack can use multiple vectors to execute arbitrary code or cause a denial of service condition. Workaround : There is no known workaround at this time.
    last seen2020-06-01
    modified2020-06-02
    plugin id100675
    published2017-06-08
    reporterThis script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/100675
    titleGLSA-201706-15 : WebKitGTK+: Multiple vulnerabilities
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 201706-15.
#
# The advisory text is Copyright (C) 2001-2017 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include("compat.inc");

if (description)
{
  script_id(100675);
  script_version("3.2");
  script_cvs_date("Date: 2019/04/10 16:10:17");

  script_cve_id("CVE-2015-2330", "CVE-2015-7096", "CVE-2015-7098", "CVE-2016-1723", "CVE-2016-1724", "CVE-2016-1725", "CVE-2016-1726", "CVE-2016-1727", "CVE-2016-1728", "CVE-2016-4692", "CVE-2016-4743", "CVE-2016-7586", "CVE-2016-7587", "CVE-2016-7589", "CVE-2016-7592", "CVE-2016-7598", "CVE-2016-7599", "CVE-2016-7610", "CVE-2016-7611", "CVE-2016-7623", "CVE-2016-7632", "CVE-2016-7635", "CVE-2016-7639", "CVE-2016-7640", "CVE-2016-7641", "CVE-2016-7642", "CVE-2016-7645", "CVE-2016-7646", "CVE-2016-7648", "CVE-2016-7649", "CVE-2016-7652", "CVE-2016-7654", "CVE-2016-7656", "CVE-2016-9642", "CVE-2016-9643", "CVE-2017-2350", "CVE-2017-2354", "CVE-2017-2355", "CVE-2017-2356", "CVE-2017-2362", "CVE-2017-2363", "CVE-2017-2364", "CVE-2017-2365", "CVE-2017-2366", "CVE-2017-2367", "CVE-2017-2369", "CVE-2017-2371", "CVE-2017-2373", "CVE-2017-2376", "CVE-2017-2377", "CVE-2017-2386", "CVE-2017-2392", "CVE-2017-2394", "CVE-2017-2395", "CVE-2017-2396", "CVE-2017-2405", "CVE-2017-2415", "CVE-2017-2419", "CVE-2017-2433", "CVE-2017-2442", "CVE-2017-2445", "CVE-2017-2446", "CVE-2017-2447", "CVE-2017-2454", "CVE-2017-2455", "CVE-2017-2457", "CVE-2017-2459", "CVE-2017-2460", "CVE-2017-2464", "CVE-2017-2465", "CVE-2017-2466", "CVE-2017-2468", "CVE-2017-2469", "CVE-2017-2470", "CVE-2017-2471", "CVE-2017-2475", "CVE-2017-2476", "CVE-2017-2481", "CVE-2017-2496", "CVE-2017-2504", "CVE-2017-2505", "CVE-2017-2506", "CVE-2017-2508", "CVE-2017-2510", "CVE-2017-2514", "CVE-2017-2515", "CVE-2017-2521", "CVE-2017-2525", "CVE-2017-2526", "CVE-2017-2528", "CVE-2017-2530", "CVE-2017-2531", "CVE-2017-2536", "CVE-2017-2539", "CVE-2017-2544", "CVE-2017-2547", "CVE-2017-2549", "CVE-2017-6980", "CVE-2017-6984");
  script_xref(name:"GLSA", value:"201706-15");

  script_name(english:"GLSA-201706-15 : WebKitGTK+: Multiple vulnerabilities");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-201706-15
(WebKitGTK+: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in WebKitGTK+. Please
      review the CVE identifiers referenced below for details.
  
Impact :

    A remote attack can use multiple vectors to execute arbitrary code or
      cause a denial of service condition.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/201706-15"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All WebKitGTK+ users should upgrade to the latest version:
      # emerge --sync
      # emerge --ask --oneshot --verbose '>=net-libs/webkit-gtk-2.16.3:4'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/PR:N/UI:R/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:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:webkit-gtk");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/06/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/06/08");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Gentoo Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"net-libs/webkit-gtk", unaffected:make_list("ge 2.16.3"), vulnerable:make_list("lt 2.16.3"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "WebKitGTK+");
}

References