-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2018-7-9-4 macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, Security Update 2018-004 El Capitan macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, and Security Update 2018-004 El Capitan are now available and address the following: AMD Available for: macOS High Sierra 10.13.5 Impact: A malicious application may be able to determine kernel memory layout Description: An information disclosure issue was addressed by removing the vulnerable code. CVE-2018-4289: shrek_wzw of Qihoo 360 Nirvan Team APFS Available for: macOS High Sierra 10.13.5 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-2018-4268: Mac working with Trend Micro's Zero Day Initiative ATS Available for: macOS High Sierra 10.13.5 Impact: A malicious application may be able to gain root privileges Description: A type confusion issue was addressed with improved memory handling. CVE-2018-4285: Mohamed Ghannam (@_simo36) CFNetwork Available for: macOS High Sierra 10.13.5 Impact: Cookies may unexpectedly persist in Safari Description: A cookie management issue was addressed with improved checks. CVE-2018-4293: an anonymous researcher CoreCrypto Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6 Impact: A malicious application may be able to break out of its sandbox Description: A memory corruption issue was addressed with improved input validation. CVE-2018-4269: Abraham Masri (@cheesecakeufo) DesktopServices Available for: macOS Sierra 10.12.6 Impact: A local user may be able to view sensitive user information Description: A permissions issue existed in which execute permission was incorrectly granted. This issue was addressed with improved permission validation. CVE-2018-4178: Arjen Hendrikse IOGraphics Available for: macOS High Sierra 10.13.5 Impact: A local user may be able to read kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. CVE-2018-4283: @panicaII working with Trend Micro's Zero Day Initiative Kernel Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.5 Impact: Systems using Intel® Core-based microprocessors may potentially allow a local process to infer data utilizing Lazy FP state restore from another process through a speculative execution side channel Description: Lazy FP state restore instead of eager save and restore of the state upon a context switch. Lazy restored states are potentially vulnerable to exploits where one process may infer register values of other processes through a speculative execution side channel that infers their value. An information disclosure issue was addressed with FP/SIMD register state sanitization. CVE-2018-3665: Julian Stecklina of Amazon Germany, Thomas Prescher of Cyberus Technology GmbH (cyberus-technology.de), Zdenek Sojka of SYSGO AG (sysgo.com), and Colin Percival libxpc Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.5 Impact: An application may be able to gain elevated privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4280: Brandon Azad libxpc Available for: macOS High Sierra 10.13.5 Impact: A malicious application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2018-4248: Brandon Azad LinkPresentation Available for: macOS High Sierra 10.13.5 Impact: Visiting a malicious website may lead to address bar spoofing Description: A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. CVE-2018-4277: xisigr of Tencent's Xuanwu Lab (tencent.com) Additional recognition Help Viewer We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance. Help Viewer We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance. Help Viewer We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance. Help Viewer We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance. Kernel We would like to acknowledge juwei lin (@panicaII) of Trend Micro working with Trend Micro's Zero Day Initiative for their assistance. Security We would like to acknowledge Brad Dahlsten of Iowa State University for their assistance. Installation note: macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, and Security Update 2018-004 El Capitan may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/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/ -----BEGIN PGP SIGNATURE----- iQJdBAEBCABHFiEEfcwwPWJ3e0Ig26mf8ecVjteJiCYFAltDyFIpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQ8ecVjteJiCYjTxAA o5FZCAbCUKeJg2B51qvpra/F/lZRam+p/SML93i8FfferCJwm/8L1rNB6HMWNMLQ GaP4RYuCL2MS2fcmxUX+UkM29O3hilMMqp0xDbR5A0qf8gMglJ6He0fH8v2kg1Ta NgT2lvwuhbAgaix7cl6zTgOZpXTz7sbihUcdfkSliJV05xwJjCtjiJB/9c7VylQ3 f4ZYDtBpYJbAoD2l68DmQqUN398lJbdv4zjJRYgbZNeCxtKS6ejhuvwGNLTSaBdP ukaLRMJeq2hfI7ZMeNOc5b6TyDrPmsTYjyAqsaOfT44M6OtmsbP+PzNRao3VceEt Lr/AObtxnBlTvyTytkV1tbSTfSzTI+1nVPyXwTFoS8Tq5mhTmxNd+NFO0phAqWYm G3QkOqcSnenMf/mcP2T/wTCCxV5wxbhdKZUVJiCvppBDbbmgLrjh3SDxC2Oipb8z 2+LTVP5WTcp1zBPXmOFQ0eChq5oP5QDSCwv3f/CW9c9PR6bkNfVIY72vpZL1mBQH R2pUWRC+HBJfoTnbKut4X6A0i5AM0BiZ57LQgUfAVUHhJHn1LLgAWZh532WSUMXA HNmPzfS77sDM9rlwm7t+UMmYtolScYmj/g1d67o7R0X1Ga7/0L3fdd3Tl2pvDdr1 EZ5vqkVl6IwWJYq3V502ZQ+Otqt97CmqXcPiqjcvb+M= =u5r+ -----END PGP SIGNATURE-----
