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About the security content of macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan - Apple Support

Description

## About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the [Apple security updates](<https://support.apple.com/kb/HT201222>) page. For more information about security, see the [Apple Product Security](<https://support.apple.com/kb/HT201220>) page. You can encrypt communications with Apple using the [Apple Product Security PGP Key](<https://support.apple.com/kb/HT201601>). Apple security documents reference vulnerabilities by [CVE-ID](<http://cve.mitre.org/about/>) when possible. ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Released December 6, 2017 **APFS** Available for: macOS High Sierra 10.13.1 Impact: APFS encryption keys may not be securely deleted after hibernating Description: A logic issue existed in APFS when deleting keys during hibernation. This was addressed with improved state management. CVE-2017-13887: David Ryskalczyk Entry added June 21, 2018 **apache** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: Processing a maliciously crafted Apache configuration directive may result in the disclosure of process memory Description: Multiple issues were addressed by updating to version 2.4.28. CVE-2017-9798: Hanno Böck Entry updated December 18, 2018 **Auto Unlock** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2017-13905: Samuel Groß (@5aelo) Entry added October 18, 2018 **CFNetwork Session** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-7172: Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative Entry added January 22, 2018 **Contacts** Available for: macOS High Sierra 10.13.1 Impact: Sharing contact information may lead to unexpected data sharing Description: An issue existed in the handling of Contact sharing. This issue was addressed with improved handling of user information. CVE-2017-13892: Ryan Manly of Glenbrook High School District 225 Entry added October 18, 2018 **CoreAnimation** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with elevated privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-7171: 360 Security working with Trend Micro's Zero Day Initiative, and Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative Entry added January 22, 2018 **CoreFoundation** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2017-7151: Samuel Groß (@5aelo) Entry added October 18, 2018 **curl** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: Malicious FTP servers may be able to cause the client to read out-of-bounds memory Description: An out-of-bounds read issue existed in the FTP PWD response parsing. This issue was addressed with improved bounds checking. CVE-2017-1000254: Max Dymond **Directory Utility** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Not impacted: macOS Sierra 10.12.6 and earlier Impact: An attacker may be able to bypass administrator authentication without supplying the administrator’s password Description: A logic error existed in the validation of credentials. This was addressed with improved credential validation. CVE-2017-13872 **ICU** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: An integer overflow was addressed through improved input validation. CVE-2017-15422: Yuan Deng of Ant-financial Light-Year Security Lab Entry added March 14, 2018 **Intel Graphics Driver** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13883: Yu Wang of Didi Research America CVE-2017-7163: Yu Wang of Didi Research America CVE-2017-7155: Yu Wang of Didi Research America Entry updated December 21, 2017 **Intel Graphics Driver** Available for: macOS High Sierra 10.13.1 Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed through improved input validation. CVE-2017-13878: Ian Beer of Google Project Zero **Intel Graphics Driver** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: An out-of-bounds read was addressed through improved bounds checking. CVE-2017-13875: Ian Beer of Google Project Zero **IOAcceleratorFamily** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-7159: found by IMF developed by HyungSeok Han (daramg.gift) of SoftSec, KAIST (softsec.kaist.ac.kr) Entry updated December 21, 2017 **IOKit** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: An input validation issue existed in the kernel. This issue was addressed through improved input validation. CVE-2017-13848: Alex Plaskett of MWR InfoSecurity CVE-2017-13858: an anonymous researcher **IOKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: Multiple memory corruption issues were addressed through improved state management. CVE-2017-13847: Ian Beer of Google Project Zero **IOKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-7162: Tencent Keen Security Lab (@keen_lab) working with Trend Micro's Zero Day Initiative Entry updated January 10, 2018 **Kernel** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13904: Kevin Backhouse of Semmle Ltd. Entry added February 14, 2018 **Kernel** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to read kernel memory (Meltdown) Description: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache. CVE-2017-5754: Jann Horn of Google Project Zero; Moritz Lipp of Graz University of Technology; Michael Schwarz of Graz University of Technology; Daniel Gruss of Graz University of Technology; Thomas Prescher of Cyberus Technology GmbH; Werner Haas of Cyberus Technology GmbH; Stefan Mangard of Graz University of Technology; Paul Kocher; Daniel Genkin of University of Pennsylvania and University of Maryland; Yuval Yarom of University of Adelaide and Data61; and Mike Hamburg of Rambus (Cryptography Research Division) Entry updated January 5, 2018 **Kernel** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13862: Apple CVE-2017-13867: Ian Beer of Google Project Zero Entry updated December 21, 2017 **Kernel** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2017-7173: Brandon Azad Entry updated January 11, 2018 **Kernel** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13876: Ian Beer of Google Project Zero **Kernel** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: A type confusion issue was addressed with improved memory handling. CVE-2017-13855: Jann Horn of Google Project Zero **Kernel** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13865: Ian Beer of Google Project Zero **Kernel** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13868: Brandon Azad CVE-2017-13869: Jann Horn of Google Project Zero **Kernel** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: An input validation issue existed in the kernel. This issue was addressed through improved input validation. CVE-2017-7154: Jann Horn of Google Project Zero Entry added December 21, 2017 **Mail** Available for: macOS High Sierra 10.13.1 Impact: A S/MIME encrypted email may be inadvertently sent unencrypted if the receiver's S/MIME certificate is not installed Description: An inconsistent user interface issue was addressed with improved state management. CVE-2017-13871: Lukas Pitschl of GPGTools Entry updated December 21, 2017 **Mail Drafts** Available for: macOS High Sierra 10.13.1 Impact: An attacker with a privileged network position may be able to intercept mail Description: An encryption issue existed with S/MIME credentials. The issue was addressed with additional checks and user control. CVE-2017-13860: Michael Weishaar of INNEO Solutions GmbH Entry updated January 10, 2018 **OpenSSL** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: An out-of-bounds read issue existed in X.509 IPAddressFamily parsing. This issue was addressed with improved bounds checking. CVE-2017-3735: found by OSS-Fuzz **Perl** Available for: macOS Sierra 10.12.6 Impact: This bugs can allow remote attackers to cause a denial of service Description: Public CVE-2017-12837 was addressed by updating the function in Perl 5.18 CVE-2017-12837: Jakub Wilk Entry added October 18, 2018 **Screen Sharing Server** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.1 Impact: A user with screen sharing access may be able to access any file readable by root Description: A permissions issue existed in the handling of screen sharing sessions. This issue was addressed with improved permissions handling. CVE-2017-7158: Trevor Jacques of Toronto Entry updated December 21, 2017 **SIP** Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A configuration issue was addressed with additional restrictions. CVE-2017-13911: Timothy Perfitt of Twocanoes Software Entry updated August 8, 2018, updated September 25, 2018 **Wi-Fi** Available for: macOS High Sierra 10.13.1 Impact: An unprivileged user may change Wi-Fi system parameters leading to denial of service Description: An access issue existed with privileged Wi-Fi system configuration. This issue was addressed with additional restrictions. CVE-2017-13886: David Kreitschmann and Matthias Schulz of Secure Mobile Networking Lab at TU Darmstadt Entry added May 2, 2018 ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## Additional recognition **Mail** We would like to acknowledge Jon Bottarini of HackerOne for their assistance. Entry added February 6, 2020


Affected Software


CPE Name Name Version
macos sierra 10.12.6
macos high sierra 10.13.1
os x el capitan 10.11.6
security update 2017
macos high sierra 10.13.2

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