Apple Security Advisory 2015-09-30-03 - OS X El Capitan 10.11 is now available and addresses close to 100 vulnerabilities that may exist in prior releases.
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APPLE-SA-2015-09-30-3 OS X El Capitan 10.11
OS X El Capitan 10.11 is now available and addresses the following:
Address Book
Available for: Mac OS X v10.6.8 and later
Impact: A local attacker may be able to inject arbitrary code to
processes loading the Address Book framework
Description: An issue existed in Address Book framework's handling
of an environment variable. This issue was addressed through improved
environment variable handling.
CVE-ID
CVE-2015-5897 : Dan Bastone of Gotham Digital Science
AirScan
Available for: Mac OS X v10.6.8 and later
Impact: An attacker with a privileged network position may be able
to extract payload from eSCL packets sent over a secure connection
Description: An issue existed in the processing of eSCL packets.
This issue was addressed through improved validation checks.
CVE-ID
CVE-2015-5853 : an anonymous researcher
apache_mod_php
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in PHP
Description: Multiple vulnerabilities existed in PHP versions prior
to 5.5.27, including one which may have led to remote code execution.
This issue was addressed by updating PHP to version 5.5.27.
CVE-ID
CVE-2014-9425
CVE-2014-9427
CVE-2014-9652
CVE-2014-9705
CVE-2014-9709
CVE-2015-0231
CVE-2015-0232
CVE-2015-0235
CVE-2015-0273
CVE-2015-1351
CVE-2015-1352
CVE-2015-2301
CVE-2015-2305
CVE-2015-2331
CVE-2015-2348
CVE-2015-2783
CVE-2015-2787
CVE-2015-3329
CVE-2015-3330
Apple Online Store Kit
Available for: Mac OS X v10.6.8 and later
Impact: A malicious application may gain access to a user's keychain
items
Description: An issue existed in validation of access control lists
for iCloud keychain items. This issue was addressed through improved
access control list checks.
CVE-ID
CVE-2015-5836 : XiaoFeng Wang of Indiana University, Luyi Xing of
Indiana University, Tongxin Li of Peking University, Tongxin Li of
Peking University, Xiaolong Bai of Tsinghua University
AppleEvents
Available for: Mac OS X v10.6.8 and later
Impact: A user connected through screen sharing can send Apple
Events to a local user's session
Description: An issue existed with Apple Event filtering that
allowed some users to send events to other users. This was addressed
by improved Apple Event handling.
CVE-ID
CVE-2015-5849 : Jack Lawrence (@_jackhl)
Audio
Available for: Mac OS X v10.6.8 and later
Impact: Playing a malicious audio file may lead to an unexpected
application termination
Description: A memory corruption issue existed in the handling of
audio files. This issue issue was addressed through improved memory
handling.
CVE-ID
CVE-2015-5862 : YoungJin Yoon of Information Security Lab. (Adv.:
Prof. Taekyoung Kwon), Yonsei University, Seoul, Korea
bash
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in bash
Description: Multiple vulnerabilities existed in bash versions prior
to 3.2 patch level 57. These issues were addressed by updating bash
version 3.2 to patch level 57.
CVE-ID
CVE-2014-6277
CVE-2014-7186
CVE-2014-7187
Certificate Trust Policy
Available for: Mac OS X v10.6.8 and later
Impact: Update to the certificate trust policy
Description: The certificate trust policy was updated. The complete
list of certificates may be viewed at https://support.apple.com/en-
us/HT202858.
CFNetwork Cookies
Available for: Mac OS X v10.6.8 and later
Impact: An attacker in a privileged network position can track a
user's activity
Description: A cross-domain cookie issue existed in the handling of
top level domains. The issue was address through improved
restrictions of cookie creation.
CVE-ID
CVE-2015-5885 : Xiaofeng Zheng of Blue Lotus Team, Tsinghua
University
CFNetwork FTPProtocol
Available for: Mac OS X v10.6.8 and later
Impact: Malicious FTP servers may be able to cause the client to
perform reconnaissance on other hosts
Description: An issue existed in the handling of FTP packets when
using the PASV command. This issue was resolved through improved
validation.
CVE-ID
CVE-2015-5912 : Amit Klein
CFNetwork HTTPProtocol
Available for: Mac OS X v10.6.8 and later
Impact: A maliciously crafted URL may be able to bypass HSTS and
leak sensitive data
Description: A URL parsing vulnerability existed in HSTS handling.
This issue was addressed through improved URL parsing.
CVE-ID
CVE-2015-5858 : Xiaofeng Zheng of Blue Lotus Team, Tsinghua
University
CFNetwork HTTPProtocol
Available for: Mac OS X v10.6.8 and later
Impact: A malicious website may be able to track users in Safari
private browsing mode
Description: An issue existed in the handling of HSTS state in
Safari private browsing mode. This issue was addressed through
improved state handling.
CVE-ID
CVE-2015-5860 : Sam Greenhalgh of RadicalResearch Ltd
CFNetwork Proxies
Available for: Mac OS X v10.6.8 and later
Impact: Connecting to a malicious web proxy may set malicious
cookies for a website
Description: An issue existed in the handling of proxy connect
responses. This issue was addressed by removing the set-cookie header
while parsing the connect response.
CVE-ID
CVE-2015-5841 : Xiaofeng Zheng of Blue Lotus Team, Tsinghua
University
CFNetwork SSL
Available for: Mac OS X v10.6.8 and later
Impact: An attacker with a privileged network position may intercept
SSL/TLS connections
Description: A certificate validation issue existed in NSURL when a
certificate changed. This issue was addressed through improved
certificate validation.
CVE-ID
CVE-2015-5824 : Timothy J. Wood of The Omni Group
CFNetwork SSL
Available for: Mac OS X v10.6.8 and later
Impact: An attacker may be able to decrypt data protected by SSL
Description: There are known attacks on the confidentiality of RC4.
An attacker could force the use of RC4, even if the server preferred
better ciphers, by blocking TLS 1.0 and higher connections until
CFNetwork tried SSL 3.0, which only allows RC4. This issue was
addressed by removing the fallback to SSL 3.0.
CoreCrypto
Available for: Mac OS X v10.6.8 and later
Impact: An attacker may be able to determine a private key
Description: By observing many signing or decryption attempts, an
attacker may have been able to determine the RSA private key. This
issue was addressed using improved encryption algorithms.
CoreText
Available for: Mac OS X v10.6.8 and later
Impact: Processing a maliciously crafted font file may lead to
arbitrary code execution
Description: A memory corruption issue existed in the processing of
font files. This issue was addressed through improved input
validation.
CVE-ID
CVE-2015-5874 : John Villamil (@day6reak), Yahoo Pentest Team
Dev Tools
Available for: Mac OS X v10.6.8 and later
Impact: A malicious application may be able to execute arbitrary
code with system privileges
Description: A memory corruption issue existed in dyld. This was
addressed through improved memory handling.
CVE-ID
CVE-2015-5876 : beist of grayhash
Dev Tools
Available for: Mac OS X v10.6.8 and later
Impact: An application may be able to bypass code signing
Description: An issue existed with validation of the code signature
of executables. This issue was addressed through improved bounds
checking.
CVE-ID
CVE-2015-5839 : @PanguTeam
Disk Images
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
system privileges
Description: A memory corruption issue existed in DiskImages. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5847 : Filippo Bigarella, Luca Todesco
dyld
Available for: Mac OS X v10.6.8 and later
Impact: An application may be able to bypass code signing
Description: An issue existed with validation of the code signature
of executables. This issue was addressed through improved bounds
checking.
CVE-ID
CVE-2015-5839 : TaiG Jailbreak Team
EFI
Available for: Mac OS X v10.6.8 and later
Impact: A malicious application can prevent some systems from
booting
Description: An issue existed with the addresses covered by the
protected range register. This issue was fixed by changing the
protected range.
CVE-ID
CVE-2015-5900 : Xeno Kovah & Corey Kallenberg from LegbaCore
EFI
Available for: Mac OS X v10.6.8 and later
Impact: A malicious Apple Ethernet Thunderbolt adapter may be able
to affect firmware flashing
Description: Apple Ethernet Thunderbolt adapters could modify the
host firmware if connected during an EFI update. This issue was
addressed by not loading option ROMs during updates.
CVE-ID
CVE-2015-5914 : Trammell Hudson of Two Sigma Investments and snare
Finder
Available for: Mac OS X v10.6.8 and later
Impact: The "Secure Empty Trash" feature may not securely delete
files placed in the Trash
Description: An issue existed in guaranteeing secure deletion of
Trash files on some systems, such as those with flash storage. This
issue was addressed by removing the "Secure Empty Trash" option.
CVE-ID
CVE-2015-5901 : Apple
Game Center
Available for: Mac OS X v10.6.8 and later
Impact: A malicious Game Center application may be able to access a
player's email address
Description: An issue existed in Game Center in the handling of a
player's email. This issue was addressed through improved access
restrictions.
CVE-ID
CVE-2015-5855 : Nasser Alnasser
Heimdal
Available for: Mac OS X v10.6.8 and later
Impact: An attacker may be able to replay Kerberos credentials to
the SMB server
Description: An authentication issue existed in Kerberos
credentials. This issue was addressed through additional validation
of credentials using a list of recently seen credentials.
CVE-ID
CVE-2015-5913 : Tarun Chopra of Microsoft Corporation, U.S. and Yu
Fan of Microsoft Corporation, China
ICU
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in ICU
Description: Multiple vulnerabilities existed in ICU versions prior
to 53.1.0. These issues were addressed by updating ICU to version
55.1.
CVE-ID
CVE-2014-8146
CVE-2014-8147
CVE-2015-5922
Install Framework Legacy
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to gain root privileges
Description: A restriction issue existed in the Install private
framework containing a privileged executable. This issue was
addressed by removing the executable.
CVE-ID
CVE-2015-5888 : Apple
Intel Graphics Driver
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
system privileges
Description: Multiple memory corruption issues existed in the Intel
Graphics Driver. These issues were addressed through improved memory
handling.
CVE-ID
CVE-2015-5830 : Yuki MIZUNO (@mzyy94)
CVE-2015-5877 : Camillus Gerard Cai
IOAudioFamily
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to determine kernel memory layout
Description: An issue existed in IOAudioFamily that led to the
disclosure of kernel memory content. This issue was addressed by
permuting kernel pointers.
CVE-ID
CVE-2015-5864 : Luca Todesco
IOGraphics
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: Multiple memory corruption issues existed in the
kernel. These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-5871 : Ilja van Sprundel of IOActive
CVE-2015-5872 : Ilja van Sprundel of IOActive
CVE-2015-5873 : Ilja van Sprundel of IOActive
CVE-2015-5890 : Ilja van Sprundel of IOActive
IOGraphics
Available for: Mac OS X v10.6.8 and later
Impact: A malicious application may be able to determine kernel
memory layout
Description: An issue existed in IOGraphics which could have led to
the disclosure of kernel memory layout. This issue was addressed
through improved memory management.
CVE-ID
CVE-2015-5865 : Luca Todesco
IOHIDFamily
Available for: Mac OS X v10.6.8 and later
Impact: A malicious application may be able to execute arbitrary
code with system privileges
Description: Multiple memory corruption issues existed in
IOHIDFamily. These issues were addressed through improved memory
handling.
CVE-ID
CVE-2015-5866 : Apple
CVE-2015-5867 : moony li of Trend Micro
IOStorageFamily
Available for: Mac OS X v10.6.8 and later
Impact: A local attacker may be able to read kernel memory
Description: A memory initialization issue existed in the kernel.
This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5863 : Ilja van Sprundel of IOActive
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: Multiple memory corruption issues existed in the
Kernel. These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-5868 : Cererdlong of Alibaba Mobile Security Team
CVE-2015-5896 : Maxime Villard of m00nbsd
CVE-2015-5903 : CESG
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: A local process can modify other processes without
entitlement checks
Description: An issue existed where root processes using the
processor_set_tasks API were allowed to retrieve the task ports of
other processes. This issue was addressed through additional
entitlement checks.
CVE-ID
CVE-2015-5882 : Pedro Vilaca, working from original research by
Ming-chieh Pan and Sung-ting Tsai; Jonathan Levin
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: A local attacker may control the value of stack cookies
Description: Multiple weaknesses existed in the generation of user
space stack cookies. These issues were addressed through improved
generation of stack cookies.
CVE-ID
CVE-2013-3951 : Stefan Esser
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: An attacker may be able to launch denial of service attacks
on targeted TCP connections without knowing the correct sequence
number
Description: An issue existed in xnu's validation of TCP packet
headers. This issue was addressed through improved TCP packet header
validation.
CVE-ID
CVE-2015-5879 : Jonathan Looney
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: An attacker in a local LAN segment may disable IPv6 routing
Description: An insufficient validation issue existed in the
handling of IPv6 router advertisements that allowed an attacker to
set the hop limit to an arbitrary value. This issue was addressed by
enforcing a minimum hop limit.
CVE-ID
CVE-2015-5869 : Dennis Spindel Ljungmark
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to determine kernel memory layout
Description: An issue existed that led to the disclosure of kernel
memory layout. This was addressed through improved initialization of
kernel memory structures.
CVE-ID
CVE-2015-5842 : beist of grayhash
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to determine kernel memory layout
Description: An issue existed in debugging interfaces that led to
the disclosure of memory content. This issue was addressed by
sanitizing output from debugging interfaces.
CVE-ID
CVE-2015-5870 : Apple
Kernel
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to cause a system denial of service
Description: A state management issue existed in debugging
functionality. This issue was addressed through improved validation.
CVE-ID
CVE-2015-5902 : Sergi Alvarez (pancake) of NowSecure Research Team
libc
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue existed in the kernel. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2014-8611 : Adrian Chadd and Alfred Perlstein of Norse
Corporation
libpthread
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue existed in the kernel. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5899 : Lufeng Li of Qihoo 360 Vulcan Team
libxpc
Available for: Mac OS X v10.6.8 and later
Impact: Many SSH connections could cause a denial of service
Description: launchd had no limit on the number of processes that
could be started by a network connection. This issue was addressed by
limiting the number of SSH processes to 40.
CVE-ID
CVE-2015-5881 : Apple
Login Window
Available for: Mac OS X v10.6.8 and later
Impact: The screen lock may not engage after the specified time
period
Description: An issue existed with captured display locking. The
issue was addressed through improved lock handling.
CVE-ID
CVE-2015-5833 : Carlos Moreira, Rainer Dorau of rainer dorau
informationsdesign, Chris Nehren, Kai Takac, Hans Douma, Toni
Vaahtera, and an anonymous researcher
lukemftpd
Available for: Mac OS X v10.6.8 and later
Impact: A remote attacker may be able to deny service to the FTP
server
Description: A glob-processing issue existed in tnftpd. This issue
was addressed through improved glob validation.
CVE-ID
CVE-2015-5917 : Maksymilian Arciemowicz of cxsecurity.com
Mail
Available for: Mac OS X v10.6.8 and later
Impact: Printing an email may leak sensitive user information
Description: An issue existed in Mail which bypassed user
preferences when printing an email. This issue was addressed through
improved user preference enforcement.
CVE-ID
CVE-2015-5881 : Owen DeLong of Akamai Technologies, Noritaka Kamiya,
Dennis Klein from Eschenburg, Germany, Jeff Hammett of Systim
Technology Partners
Mail
Available for: Mac OS X v10.6.8 and later
Impact: An attacker in a privileged network position may be able to
intercept attachments of S/MIME-encrypted e-mail sent via Mail Drop
Description: An issue existed in handling encryption parameters for
large email attachments sent via Mail Drop. The issue is addressed by
no longer offering Mail Drop when sending an encrypted e-mail.
CVE-ID
CVE-2015-5884 : John McCombs of Integrated Mapping Ltd
Multipeer Connectivity
Available for: Mac OS X v10.6.8 and later
Impact: A local attacker may be able to observe unprotected
multipeer data
Description: An issue existed in convenience initializer handling in
which encryption could be actively downgraded to a non-encrypted
session. This issue was addressed by changing the convenience
initializer to require encryption.
CVE-ID
CVE-2015-5851 : Alban Diquet (@nabla_c0d3) of Data Theorem
NetworkExtension
Available for: Mac OS X v10.6.8 and later
Impact: A malicious application may be able to determine kernel
memory layout
Description: An uninitialized memory issue in the kernel led to the
disclosure of kernel memory content. This issue was addressed through
improved memory initialization.
CVE-ID
CVE-2015-5831 : Maxime Villard of m00nbsd
Notes
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to leak sensitive user information
Description: An issue existed in parsing links in the Notes
application. This issue was addressed through improved input
validation.
CVE-ID
CVE-2015-5878 : Craig Young of Tripwire VERT, an anonymous researcher
Notes
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to leak sensitive user information
Description: A cross-site scripting issue existed in parsing text by
the Notes application. This issue was addressed through improved
input validation.
CVE-ID
CVE-2015-5875 : xisigr of Tencent's Xuanwu LAB (www.tencent.com)
OpenSSH
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in OpenSSH
Description: Multiple vulnerabilities existed in OpenSSH versions
prior to 6.9. These issues were addressed by updating OpenSSH to
version 6.9.
CVE-ID
CVE-2014-2532
OpenSSL
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in OpenSSL
Description: Multiple vulnerabilities existed in OpenSSL versions
prior to 0.9.8zg. These were addressed by updating OpenSSL to version
0.9.8zg.
CVE-ID
CVE-2015-0286
CVE-2015-0287
procmail
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in procmail
Description: Multiple vulnerabilities existed in procmail versions
prior to 3.22. These issues were addressed by removing procmail.
CVE-ID
CVE-2014-3618
remote_cmds
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with root
privileges
Description: An issue existed in the usage of environment variables
by the rsh binary. This issue was addressed by dropping setuid
privileges from the rsh binary.
CVE-ID
CVE-2015-5889 : Philip Pettersson
removefile
Available for: Mac OS X v10.6.8 and later
Impact: Processing malicious data may lead to unexpected application
termination
Description: An overflow fault existed in the checkint division
routines. This issue was addressed with improved division routines.
CVE-ID
CVE-2015-5840 : an anonymous researcher
Ruby
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in Ruby
Description: Multiple vulnerabilities existed in Ruby versions prior
to 2.0.0p645. These were addressed by updating Ruby to version
2.0.0p645.
CVE-ID
CVE-2014-8080
CVE-2014-8090
CVE-2015-1855
Security
Available for: Mac OS X v10.6.8 and later
Impact: The lock state of the keychain may be incorrectly displayed
to the user
Description: A state management issue existed in the way keychain
lock status was tracked. This issue was addressed through improved
state management.
CVE-ID
CVE-2015-5915 : Peter Walz of University of Minnesota, David Ephron,
Eric E. Lawrence, Apple
Security
Available for: Mac OS X v10.6.8 and later
Impact: A trust evaluation configured to require revocation checking
may succeed even if revocation checking fails
Description: The kSecRevocationRequirePositiveResponse flag was
specified but not implemented. This issue was addressed by
implementing the flag.
CVE-ID
CVE-2015-5894 : Hannes Oud of kWallet GmbH
Security
Available for: Mac OS X v10.6.8 and later
Impact: A remote server may prompt for a certificate before
identifying itself
Description: Secure Transport accepted the CertificateRequest
message before the ServerKeyExchange message. This issue was
addressed by requiring the ServerKeyExchange first.
CVE-ID
CVE-2015-5887 : Benjamin Beurdouche, Karthikeyan Bhargavan, Antoine
Delignat-Lavaud, Alfredo Pironti, and Jean Karim Zinzindohoue of
INRIA Paris-Rocquencourt, and Cedric Fournet and Markulf Kohlweiss of
Microsoft Research, Pierre-Yves Strub of IMDEA Software Institute
SMB
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue existed in the kernel. This
issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5891 : Ilja van Sprundel of IOActive
SMB
Available for: Mac OS X v10.6.8 and later
Impact: A local user may be able to determine kernel memory layout
Description: An issue existed in SMBClient that led to the
disclosure of kernel memory content. This issue was addressed through
improved bounds checking.
CVE-ID
CVE-2015-5893 : Ilja van Sprundel of IOActive
SQLite
Available for: Mac OS X v10.6.8 and later
Impact: Multiple vulnerabilities in SQLite v3.8.5
Description: Multiple vulnerabilities existed in SQLite v3.8.5.
These issues were addressed by updating SQLite to version 3.8.10.2.
CVE-ID
CVE-2015-3414
CVE-2015-3415
CVE-2015-3416
Telephony
Available for: Mac OS X v10.6.8 and later
Impact: A local attacker can place phone calls without the user's
knowledge when using Continuity
Description: An issue existed in the authorization checks for
placing phone calls. This issue was addressed through improved
authorization checks.
CVE-ID
CVE-2015-3785 : Dan Bastone of Gotham Digital Science
Terminal
Available for: Mac OS X v10.6.8 and later
Impact: Maliciously crafted text could mislead the user in Terminal
Description: Terminal did not handle bidirectional override
characters in the same way when displaying text and when selecting
text. This issue was addressed by suppressing bidirectional override
characters in Terminal.
CVE-ID
CVE-2015-5883 : an anonymous researcher
tidy
Available for: Mac OS X v10.6.8 and later
Impact: Visiting a maliciously crafted website may lead to arbitrary
code execution
Description: Multiple memory corruption issues existed in tidy.
These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-5522 : Fernando Munoz of NULLGroup.com
CVE-2015-5523 : Fernando Munoz of NULLGroup.com
Time Machine
Available for: Mac OS X v10.6.8 and later
Impact: A local attacker may gain access to keychain items
Description: An issue existed in backups by the Time Machine
framework. This issue was addressed through improved coverage of Time
Machine backups.
CVE-ID
CVE-2015-5854 : Jonas Magazinius of Assured AB
Note: OS X El Capitan 10.11 includes the security content of
Safari 9: https://support.apple.com/kb/HT205265.
OS X El Capitan 10.11 may be obtained from the Mac App Store:
https://www.apple.com/support/downloads/
Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222
This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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