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HomeResourcesAdvisoriesMultiple Vulnerabilities in Apple Products Could Allow for Arbitrary Code Execution

Multiple Vulnerabilities in Apple Products Could Allow for Arbitrary Code Execution

MS-ISAC ADVISORY NUMBER:

2017-066

DATE(S) ISSUED:

07/19/2017

OVERVIEW:

Multiple vulnerabilities have been discovered in watchOS, iOS, tvOS, macOS, iCloud for Windows, and iTunes for Windows and Safari, the most severe of which could allow for arbitrary code execution. watchOS is the mobile operating system for the Apple Watch and is based on the iOS operating system. iOS is a mobile operating system for mobile devices, including the iPhone, iPad, and iPod touch. tvOS is an operating system for the fourth-generation Apple TV digital media player. macOS is Appleā€™s desktop and server operating system for Macintosh computers. iCloud is a cloud storage and cloud computing service from Apple. iTunes for Windows is a media player, media library, online radio broadcaster, and mobile device management application developed by Apple. Safari is a web browser available for OS X and Microsoft Windows.

Successful exploitation of the most severe of these vulnerabilities could result in arbitrary code execution within the context of the application, an attacker gaining the same privileges as the logged-on user, or the bypassing of security restrictions. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

THREAT INTELLIGENCE:

There are currently no reports of these vulnerabilities being exploited in the wild.

SYSTEMS AFFECTED:

  • watchOS Versions prior to 3.2.3
  • iOS versions prior to 10.3.3
  • tvOS versions prior to 10.2.2
  • macOS versions prior to Sierra 10.12.6, Security Update 2017-003 El Capitan, and Security Update 2017-003 Yosemite
  • Safari versions prior to 10.1.2
  • iCloud for Windows versions prior to 6.2.2
  • iTunes for Windows versions prior to 12.6.2

RISK:

Government:
  • Large and medium government entities: HIGH
  • Small government entities: MEDIUM
Businesses:
  • Large and medium business entities: HIGH
  • Small business entities: MEDIUM
Home Users:
LOW

TECHNICAL SUMMARY:

Multiple vulnerabilities have been discovered in watchOS, iOS, tvOS, macOS, iCloud for Windows, and iTunes for Windows, and Safari. The most severe of these vulnerabilities could allow for arbitrary code execution. Details of these vulnerabilities are as follows:

  • A buffer overflow issue was addressed through improved memory handling. (CVE-2017-7062)
  • A memory corruption issue was addressed with improved bounds checking. (CVE-2017-7008)
  • Multiple memory corruption issues were addressed with improved memory handling. (CVE-2017-7009, CVE-2017-7012, CVE-2017-7014, CVE-2017-7015, CVE-2017-7017, CVE-2017-7018, CVE-2017-7019, CVE-2017-7020, CVE-2017-7021, CVE-2017-7022, CVE-2017-7023, CVE-2017-7024, CVE-2017-7025, CVE-2017-7026, CVE-2017-7027, CVE-2017-7030, CVE-2017-7032, CVE-2017-7033, CVE-2017-7034, CVE-2017-7035, CVE-2017-7037, CVE-2017-7039, CVE-2017-7040, CVE-2017-7041, CVE-2017-7042, CVE-2017-7043, CVE-2017-7044, CVE-2017-7046, CVE-2017-7047, CVE-2017-7048, CVE-2017-7049, CVE-2017-7050, CVE-2017-7051, CVE-2017-7052, CVE-2017-7054, CVE-2017-7055, CVE-2017-7056, CVE-2017-7061, CVE-2017-7069, CVE-2017-8248, CVE-2017-9417)
  • A validation issue was addressed with improved input sanitization. (CVE-2017-7028, CVE-2017-7029, CVE-2017-7036, CVE-2017-7045, CVE-2017-7067)
  • A buffer overflow was addressed through improved bounds checking. (CVE-2017-7068)
  • An out-of-bounds read was addressed through improved bounds checking. (CVE-2017-7010, CVE-2017-7013)
  • Processing maliciously crafted web content may allow cross-origin data to be exfiltrated by using SVG filters to conduct a timing side-channel attack. This issue was addressed by not painting the cross-origin buffer into the frame that gets filtered. (CVE-2017-7006)
  • A logic issue existed in the handling of DOMParser. This issue was addressed with improved state management. (CVE-2017-7038, CVE-2017-7059)
  • An access issue was addressed with additional restrictions. (CVE-2017-7053)
  • A memory initialization issue was addressed through improved memory handling. (CVE-2017-7064)
  • An issue existed where a malicious or compromised website could show infinite print dialogs and make users believe their browser was locked. The issue was addressed through throttling of print dialogs. (CVE-2017-7060)
  • A state management issue was addressed with improved frame handling. (CVE-2017-7011)
  • Memory corruption issues were addressed through improved input validation. (CVE-2017-7016, CVE-2017-7031)
  • Multiple issues were addressed by updating to version 7.54.0. (CVE-2017-2629, CVE-2017-7468, CVE-2016-9586, CVE-2016-9594)
  • A resource exhaustion issue was addressed through improved input validation. (CVE-2017-7007)
  • A memory consumption issue was addressed through improved memory handling. (CVE-2017-7063)
  • A lock screen issue was addressed with improved state management. (CVE-2017-7058)
  • An inconsistent user interface issue was addressed with improved state management. (CVE-2017-2517)

Successful exploitation of the most severe of these vulnerabilities could result in arbitrary code execution within the context of the application, an attacker gaining the same privileges as the logged-on user, or the bypassing of security restrictions. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

RECOMENDATIONS:

We recommend the following actions be taken:

  • Apply appropriate patches provided by Apple to vulnerable systems immediately after appropriate testing.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
  • Remind users not to download, accept, or execute files from un-trusted or unknown sources.
  • Remind users not to visit untrusted websites or follow links provided by unknown or un-trusted sources.
  • Apply the Principle of Least Privilege to all systems and services.

REFERENCES:

CVE:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9586 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9594 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2517 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2629 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7006 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7007 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7008 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7009 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7010 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7011 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7012 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7013 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7014 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7015 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7016 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7017 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7018 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7019 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7020 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7022 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7023 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7024 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7025 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7026 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7027 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7028 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7029 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7030 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7031 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7032 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7033 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7034 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7035 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7036 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7037 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7038 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7039 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7040 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7041 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7042 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7043 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7044 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7045 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7046 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7047 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7048 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7049 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7050 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7051 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7052 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7053 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7054 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7055 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7056 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7058 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7059 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7060 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7061 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7062 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7063 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7064 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7067 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7068 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7069 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7468 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8248 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9417

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