-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2018-10-30-14 Additional information for 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 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) Bluetooth Available for: MacBook Pro (15-inch, 2018), and MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) Other Mac models were addressed with macOS High Sierra 10.13.5. Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation. CVE-2018-5383: Lior Neumann and Eli Biham 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, macOS High Sierra 10.13.5 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) CUPS Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.5 Impact: An attacker in a privileged position may be able to perform a denial of service attack Description: A null pointer dereference was addressed with improved validation. CVE-2018-4276: Jakub Jirasek of Secunia Research at Flexera Entry added October 30, 2018 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 Kernel Available for: macOS High Sierra 10.13.5 Impact: Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4259: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4286: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4287: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4288: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4291: Kevin Backhouse of Semmle and LGTM.com Entry added October 30, 2018 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) Perl Available for: macOS High Sierra 10.13.5 Impact: Multiple buffer overflow issues existed in Perl Description: Multiple issues in Perl were addressed with improved memory handling. CVE-2018-6797: Brian Carpenter CVE-2018-6913: GwanYeong Kim Entry added October 30, 2018 Ruby Available for: macOS High Sierra 10.13.5 Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: Multiple issues in Ruby were addressed in this update. CVE-2017-898 CVE-2017-10784 CVE-2017-14033 CVE-2017-14064 CVE-2017-17405 CVE-2017-17742 CVE-2018-6914 CVE-2018-8777 CVE-2018-8778 CVE-2018-8779 CVE-2018-8780 Entry added October 30, 2018 Additional recognition App Store We would like to acknowledge Jesse Endahl & Stevie Hryciw of Fleetsmith and and Max Bélanger of Dropbox 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----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlvYkgUpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3EgwhAA rut4Qepkh88tcd23FV/Fz6uEdqa2MDPRPhVs6rM5iM7912vhtVZHz1sDUpSwNFe+ Hfdx0qsZaxY1sKjqMejq5mpanjFWhCCWb7MxifGm1HTJRMibuTAW7zVwD51jsG7z GpQtZ8ASaW9NErn+3IPB0O//CCvAKR/qyqn+KyEhYw+xtz2j+dzneB6lpwFkiqG2 0Iz5DQ2Hwms/88byzoXLWljAApvgSeant1YAiShq9bvQ3iWSkLSoo1dEa9jhhGJV jKyc+XloM7AfAHl6sjR6t3Cgdmfpy7s4osx17tqa4B5CYUloBGcZ0SZrL6iJDDvV 5OTsXHCQ9NLwZrdAwIgfcVcs01Y8hVkpjhCmm2InGwREJUtpYefCQ/kIlDa1YOym 3ua/SEO5+UYSVspG45vTdRB6SNSzeWzcQvJohrXavSllttcGyNx9RxMSr9CGxNSE Vjmo30J8D2Oow2hMtK1PWXxI+t4UadO33rL1H2u8ivl9J1BI9sEL0linFTUpEnIS iIRYUdrr+ZduSsC21NBLhMOak61GWYQRSN+p3nbL7fDqZCFdBSwvye4q2MmZG1Op aDePXQWSPgzlXzfi2C6KiR+lSyZlgCwtwhPGlzDFH5MGxr5Tleov98GB4uml91lj PVSMCsvYvRarIh6enmy+SR/6X7gVgrpx4m/fdraBwTw= =e0YF -----END PGP SIGNATURE-----
