About the security content of OS X Yosemite v10.10.4 and Security Update 2015-005

This document describes the security content of OS X Yosemite v10.10.4 and Security Update 2015-005.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see How to use the Apple Product Security PGP Key.

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other security updates, see Apple security updates.

OS X Yosemite v10.10.4 and Security Update 2015-005

  • Admin Framework

    Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A process may gain admin privileges without proper authentication

    Description: An issue existed when checking XPC entitlements. This issue was addressed through improved entitlement checking.

    CVE-ID

    CVE-2015-3671 : Emil Kvarnhammar at TrueSec

  • Admin Framework

    Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A non-admin user may obtain admin rights

    Description: An issue existed in the handling of user authentication. This issue was addressed through improved error checking.

    CVE-ID

    CVE-2015-3672 : Emil Kvarnhammar at TrueSec

  • Admin Framework

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: An attacker may abuse Directory Utility to gain root privileges

    Description: Directory Utility was able to be moved and modified to achieve code execution within an entitled process. This issue was addressed by limiting the disk location that writeconfig clients may be executed from.

    CVE-ID

    CVE-2015-3673 : Patrick Wardle of Synack, Emil Kvarnhammar at TrueSec

  • afpserver

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution

    Description: A memory corruption issue existed in the AFP server. This issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-3674 : Dean Jerkovich of NCC Group

  • apache

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: An attacker may be able to access directories that are protected with HTTP authentication without knowing the correct credentials

    Description: The default Apache configuration did not include mod_hfs_apple. If Apache was manually enabled and the configuration was not changed, some files that should not be accessible might have been accessible using a specially crafted URL. This issue was addressed by enabling mod_hfs_apple.

    CVE-ID

    CVE-2015-3675 : Apple

  • apache

    Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Multiple vulnerabilities exist in PHP, the most serious of which may lead to arbitrary code execution

    Description: Multiple vulnerabilities existed in PHP versions prior to 5.5.24 and 5.4.40. These were addressed by updating PHP to versions 5.5.24 and 5.4.40.

    CVE-ID

    CVE-2015-0235

    CVE-2015-0273

  • AppleGraphicsControl

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to determine kernel memory layout

    Description: An issue existed in AppleGraphicsControl which could have led to the disclosure of kernel memory layout. This issue was addressed through improved bounds checking.

    CVE-ID

    CVE-2015-3676 : Chen Liang of KEEN Team

  • AppleFSCompression

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to determine kernel memory layout

    Description: An issue existed in LZVN compression that could have led to the disclosure of kernel memory content. This issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-3677 : an anonymous researcher working with HP's Zero Day Initiative

  • AppleThunderboltEDMService

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: A memory corruption issue existed in the handling of certain Thunderbolt commands from local processes. This issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-3678 : Apple

  • ATS

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: Processing a maliciously crafted font file may lead to an unexpected application termination or arbitrary code execution

    Description: Multiple memory corruption issues existed in handling of certain fonts. These issues were addressed through improved memory handling.

    CVE-ID

    CVE-2015-3679 : Pawel Wylecial working with HP's Zero Day Initiative

    CVE-2015-3680 : Pawel Wylecial working with HP's Zero Day Initiative

    CVE-2015-3681 : John Villamil (@day6reak), Yahoo Pentest Team

    CVE-2015-3682 : 魏诺德

  • Bluetooth

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: A memory corruption issue existed in the Bluetooth HCI interface. This issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-3683 : Roberto Paleari and Aristide Fattori of Emaze Networks

  • Certificate Trust Policy

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: An attacker with a privileged network position may be able to intercept network traffic

    Description: An intermediate certificate was incorrectly issued by the certificate authority CNNIC. This issue was addressed through the addition of a mechanism to trust only a subset of certificates issued prior to the mis-issuance of the intermediate. You can learn more about the security partial trust allow list.

  • Certificate Trust Policy

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Description: The certificate trust policy was updated. The complete list of certificates may be viewed at the OS X Trust Store.

  • CFNetwork HTTPAuthentication

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Following a maliciously crafted URL may lead to arbitrary code execution

    Description: A memory corruption issue existed in handling of certain URL credentials. This issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-3684 : Apple

  • CoreText

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Processing a maliciously crafted text file may lead to an unexpected application termination or arbitrary code execution

    Description: Multiple memory corruption issues existed in the processing of text files. These issues were addressed through improved bounds checking.

    CVE-ID

    CVE-2015-1157

    CVE-2015-3685 : Apple

    CVE-2015-3686 : John Villamil (@day6reak), Yahoo Pentest Team

    CVE-2015-3687 : John Villamil (@day6reak), Yahoo Pentest Team

    CVE-2015-3688 : John Villamil (@day6reak), Yahoo Pentest Team

    CVE-2015-3689 : Apple

  • coreTLS

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: An attacker with a privileged network position may intercept SSL/TLS connections

    Description: coreTLS accepted short ephemeral Diffie-Hellman (DH) keys, as used in export-strength ephemeral DH cipher suites. This issue, also known as Logjam, allowed an attacker with a privileged network position to downgrade security to 512-bit DH if the server supported an export-strength ephemeral DH cipher suite. The issue was addressed by increasing the default minimum size allowed for DH ephemeral keys to 768 bits.

    CVE-ID

    CVE-2015-4000 : The weakdh team at weakdh.org, Hanno Boeck

  • DiskImages

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to determine kernel memory layout

    Description: An information disclosure issue existed in the processing of disk images. This issue was addressed through improved memory management.

    CVE-ID

    CVE-2015-3690 : Peter Rutenbar working with HP's Zero Day Initiative

  • Display Drivers

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: An issue existed in the Monitor Control Command Set kernel extension by which a userland process could control the value of a function pointer within the kernel. The issue was addressed by removing the affected interface.

    CVE-ID

    CVE-2015-3691 : Roberto Paleari and Aristide Fattori of Emaze Networks

  • EFI

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application with root privileges may be able to modify EFI flash memory

    Description: An insufficient locking issue existed with EFI flash when resuming from sleep states. This issue was addressed through improved locking.

    CVE-ID

    CVE-2015-3692 : Trammell Hudson of Two Sigma Investments, Xeno Kovah and Corey Kallenberg of LegbaCore LLC, Pedro Vilaça

  • EFI

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may induce memory corruption to escalate privileges

    Description: A disturbance error, also known as Rowhammer, exists with some DDR3 RAM that could have led to memory corruption. This issue was mitigated by increasing memory refresh rates.

    CVE-ID

    CVE-2015-3693 : Mark Seaborn and Thomas Dullien of Google, working from original research by Yoongu Kim et al (2014)

  • FontParser

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: Processing a maliciously crafted font file may lead to an unexpected application termination or 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-2015-3694 : John Villamil (@day6reak), Yahoo Pentest Team

  • Graphics Driver

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: An out of bounds write issue existed in NVIDIA graphics driver. This issue was addressed through improved bounds checking.

    CVE-ID

    CVE-2015-3712 : Ian Beer of Google Project Zero

  • Intel Graphics Driver

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Multiple buffer overflow issues exist in the Intel graphics driver, the most serious of which may lead to arbitrary code execution with system privileges

    Description: Multiple buffer overflow issues existed in the Intel graphics driver. These were addressed through additional bounds checks.

    CVE-ID

    CVE-2015-3695 : Ian Beer of Google Project Zero

    CVE-2015-3696 : Ian Beer of Google Project Zero

    CVE-2015-3697 : Ian Beer of Google Project Zero

    CVE-2015-3698 : Ian Beer of Google Project Zero

    CVE-2015-3699 : Ian Beer of Google Project Zero

    CVE-2015-3700 : Ian Beer of Google Project Zero

    CVE-2015-3701 : Ian Beer of Google Project Zero

    CVE-2015-3702 : KEEN Team

  • ImageIO

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Multiple vulnerabilities existed in libtiff, the most serious of which may lead to arbitrary code execution

    Description: Multiple vulnerabilities existed in libtiff versions prior to 4.0.4. They were addressed by updating libtiff to version 4.0.4.

    CVE-ID

    CVE-2014-8127

    CVE-2014-8128

    CVE-2014-8129

    CVE-2014-8130

  • ImageIO

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Processing a maliciously crafted .tiff file may lead to an unexpected application termination or arbitrary code execution

    Description: A memory corruption issue existed in the processing of .tiff files. This issue was addressed through improved bounds checking.

    CVE-ID

    CVE-2015-3703 : Apple

  • Install Framework Legacy

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: Several issues existed in how Install.framework's 'runner' setuid binary dropped privileges. This was addressed by properly dropping privileges.

    CVE-ID

    CVE-2015-3704 : Ian Beer of Google Project Zero

  • IOAcceleratorFamily

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: Multiple memory corruption issues existed in IOAcceleratorFamily. These issues were addressed through improved memory handling.

    CVE-ID

    CVE-2015-3705 : KEEN Team

    CVE-2015-3706 : KEEN Team

  • IOFireWireFamily

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to execute arbitrary code with system privileges

    Description: Multiple null pointer dereference issues existed in the FireWire driver. These issues were addressed through improved error checking.

    CVE-ID

    CVE-2015-3707 : Roberto Paleari and Aristide Fattori of Emaze Networks
  • Kernel

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to determine kernel memory layout

    Description: A memory management issue existed in the handling of APIs related to kernel extensions which could have led to the disclosure of kernel memory layout. This issue was addressed through improved memory management.

    CVE-ID

    CVE-2015-3720 : Stefan Esser
  • Kernel

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to determine kernel memory layout

    Description: A memory management issue existed in the handling of HFS parameters which could have led to the disclosure of kernel memory layout. This issue was addressed through improved memory management.

    CVE-ID

    CVE-2015-3721 : Ian Beer of Google Project Zero
  • kext tools

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to overwrite arbitrary files

    Description: kextd followed symbolic links while creating a new file. This issue was addressed through improved handling of symbolic links.

    CVE-ID

    CVE-2015-3708 : Ian Beer of Google Project Zero

  • kext tools

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A local user may be able to load unsigned kernel extensions

    Description: A time-of-check time-of-use (TOCTOU) race condition condition existed while validating the paths of kernel extensions. This issue was addressed through improved checks to validate the path of the kernel extensions.

    CVE-ID

    CVE-2015-3709 : Ian Beer of Google Project Zero

  • Mail

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A maliciously crafted email can replace the message content with an arbitrary webpage when the message is viewed

    Description: An issue existed in the support for HTML email which allowed message content to be refreshed with an arbitrary webpage. The issue was addressed through restricted support for HTML content.

    CVE-ID

    CVE-2015-3710 : Aaron Sigel of vtty.com, Jan Souček

  • ntfs

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to determine kernel memory layout

    Description: An issue existed in NTFS that could have led to the disclosure of kernel memory content. This issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-3711 : Peter Rutenbar working with HP's Zero Day Initiative

  • ntp

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: An attacker in a privileged position may be able to perform a denial of service attack against two ntp clients

    Description: Multiple issues existed in the authentication of ntp packets being received by configured end-points. These issues were addressed through improved connection state management.

    CVE-ID

    CVE-2015-1798

    CVE-2015-1799

  • OpenSSL

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: Multiple issues exist in OpenSSL, including one that may allow an attacker to intercept connections to a server that supports export-grade ciphers

    Description: Multiple issues existed in OpenSSL 0.9.8zd which were addressed by updating OpenSSL to version 0.9.8zf.

    CVE-ID

    CVE-2015-0209

    CVE-2015-0286

    CVE-2015-0287

    CVE-2015-0288

    CVE-2015-0289

    CVE-2015-0293

  • QuickTime

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Processing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution

    Description: Multiple memory corruption issues existed in QuickTime. These issues were addressed through improved memory handling.

    CVE-ID

    CVE-2015-3661 : G. Geshev working with HP's Zero Day Initiative

    CVE-2015-3662 : kdot working with HP's Zero Day Initiative

    CVE-2015-3663 : kdot working with HP's Zero Day Initiative

    CVE-2015-3666 : Steven Seeley of Source Incite working with HP's Zero Day Initiative

    CVE-2015-3667 : Ryan Pentney, Richard Johnson of Cisco Talos and Kai Lu of Fortinet's FortiGuard Labs

    CVE-2015-3668 : Kai Lu of Fortinet's FortiGuard Labs

    CVE-2015-3713 : Apple

  • Security

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A remote attacker may cause an unexpected application termination or arbitrary code execution

    Description: An integer overflow existed in the Security framework code for parsing S/MIME e-mail and some other signed or encrypted objects. This issue was addressed through improved validity checking.

    CVE-ID

    CVE-2013-1741

  • Security

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Tampered applications may not be prevented from launching

    Description: Apps using custom resource rules may have been susceptible to tampering that would not have invalidated the signature. This issue was addressed with improved resource validation.

    CVE-ID

    CVE-2015-3714 : Joshua Pitts of Leviathan Security Group

  • Security

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious application may be able to bypass code signing checks

    Description: An issue existed where code signing did not verify libraries loaded outside the application bundle. This issue was addressed with improved bundle verification.

    CVE-ID

    CVE-2015-3715 : Patrick Wardle of Synack

  • Spotlight

    Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3

    Impact: Searching for a malicious file with Spotlight may lead to command injection

    Description: A command injection vulnerability existed in the handling of filenames of photos added to the local photo library. This issue was addressed through improved input validation.

    CVE-ID

    CVE-2015-3716 : Apple

  • SQLite

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A remote attacker may cause an unexpected application termination or arbitrary code execution

    Description: Multiple buffer overflows existed in SQLite's printf implementation. These issues were addressed through improved bounds checking.

    CVE-ID

    CVE-2015-3717 : Peter Rutenbar working with HP's Zero Day Initiative

  • SQLite

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A maliciously crafted SQL command may allow unexpected application termination or arbitrary code execution

    Description: An API issue existed in SQLite functionality. This was addressed through improved restrictions.

    CVE-ID

    CVE-2015-7036 : Peter Rutenbar working with HP's Zero Day Initiative

  • System Stats

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: A malicious app may be able to compromise systemstatsd

    Description: A type confusion issue existed in systemstatsd's handling of interprocess communication. By sending a maliciously formatted message to systemstatsd, it may have been possible to execute arbitrary code as the systemstatsd process. The issue was addressed through additional type checking.

    CVE-ID

    CVE-2015-3718 : Roberto Paleari and Aristide Fattori of Emaze Networks

  • TrueTypeScaler

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: Processing a maliciously crafted font file may lead to an unexpected application termination or 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-2015-3719 : John Villamil (@day6reak), Yahoo Pentest Team

  • zip

    Available for: OS X Yosemite v10.10 to v10.10.3

    Impact: Extracting a maliciously crafted zip file using the unzip tool may lead to an unexpected application termination or arbitrary code execution

    Description: Multiple memory corruption issues existed in the handling of zip files. These issues were addressed through improved memory handling.

    CVE-ID

    CVE-2014-8139

    CVE-2014-8140

    CVE-2014-8141

OS X Yosemite v10.10.4 includes the security content of Safari 8.0.7.

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