ID

VAR-201912-0554

CVE

CVE-2019-8540

TITLE

Initialization vulnerability in multiple Apple products

DESCRIPTION

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout. iOS , Apple Mac OS X , tvOS A number of Apple products have vulnerabilities related to initialization.Information may be obtained. Apple iOS, etc. are all products of Apple (Apple). Apple iOS is an operating system developed for mobile devices. Apple tvOS is a smart TV operating system. Kernel is one of the kernels. Apple macOS Mojave is a dedicated operating system developed for Mac computers. Security vulnerabilities exist in the Kernel component of Apple iOS versions prior to 12.2, tvOS versions prior to 12.2, and macOS Mojave versions prior to 10.14.4. CVE-2019-8546: ChiYuan Chang Passcode Available for: Apple Watch Series 1 and later Impact: A partially entered passcode may not clear when the device goes to sleep Description: An issue existed where partially entered passcodes may not clear when the device went to sleep. This issue was addressed by clearing the passcode when a locked device sleeps. CVE-2019-8541: Stan (Jiexin) Zhang and Alastair R. Alternatively, on your watch, select "My Watch > General > About". -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2019-3-25-2 macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra are now available and addresses the following: AppleGraphicsControl Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow was addressed with improved size validation. CVE-2019-8555: Zhiyi Zhang of 360 ESG Codesafe Team, Zhuo Liang and shrek_wzw of Qihoo 360 Nirvan Team Bom Available for: macOS Mojave 10.14.3 Impact: A malicious application may bypass Gatekeeper checks Description: This issue was addressed with improved handling of file metadata. CVE-2019-6239: Ian Moorhouse and Michael Trimm CFString Available for: macOS Mojave 10.14.3 Impact: Processing a maliciously crafted string may lead to a denial of service Description: A validation issue was addressed with improved logic. CVE-2019-8516: SWIPS Team of Frifee Inc. CVE-2019-8552: Mohamed Ghannam (@_simo36) Contacts Available for: macOS Mojave 10.14.3 Impact: A malicious application may be able to elevate privileges Description: A buffer overflow issue was addressed with improved memory handling. CVE-2019-8511: an anonymous researcher CoreCrypto Available for: macOS Mojave 10.14.3 Impact: A malicious application may be able to elevate privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2019-8542: an anonymous researcher DiskArbitration Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: An encrypted volume may be unmounted and remounted by a different user without prompting for the password Description: A logic issue was addressed with improved state management. CVE-2019-8522: Colin Meginnis (@falc420) FaceTime Available for: macOS Mojave 10.14.3 Impact: A user's video may not be paused in a FaceTime call if they exit the FaceTime app while the call is ringing Description: An issue existed in the pausing of FaceTime video. CVE-2019-8550: Lauren Guzniczak of Keystone Academy Feedback Assistant Available for: macOS Mojave 10.14.3 Impact: A malicious application may be able to gain root privileges Description: A race condition was addressed with additional validation. CVE-2019-8565: CodeColorist of Ant-Financial LightYear Labs Feedback Assistant Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: A malicious application may be able to overwrite arbitrary files Description: This issue was addressed with improved checks. CVE-2019-8521: CodeColorist of Ant-Financial LightYear Labs file Available for: macOS Mojave 10.14.3 Impact: Processing a maliciously crafted file might disclose user information Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-6237: an anonymous researcher Graphics Drivers Available for: macOS Mojave 10.14.3 Impact: An application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8519: Aleksandr Tarasikov (@astarasikov), Juwei Lin (@panicaII) and Junzhi Lu of Trend Micro Research working with Trend Micro's Zero Day Initiative iAP Available for: macOS Mojave 10.14.3 Impact: A malicious application may be able to elevate privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2019-8542: an anonymous researcher IOGraphics Available for: macOS Mojave 10.14.3 Impact: A Mac may not lock when disconnecting from an external monitor Description: A lock handling issue was addressed with improved lock handling. CVE-2019-8533: an anonymous researcher, James Eagan of Télécom ParisTech, R. Scott Kemp of MIT, Romke van Dijk of Z-CERT IOHIDFamily Available for: macOS Mojave 10.14.3 Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: A memory corruption issue was addressed with improved state management. CVE-2019-8504: an anonymous researcher IOKit SCSI Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved input validation. CVE-2019-8529: Juwei Lin (@panicaII) of Trend Micro Kernel Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A buffer overflow was addressed with improved size validation. CVE-2019-8527: Ned Williamson of Google and derrek (@derrekr6) Kernel Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.3 Impact: Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2019-8508: Dr. Silvio Cesare of InfoSect Kernel Available for: macOS Mojave 10.14.3 Impact: An application may be able to gain elevated privileges Description: A logic issue was addressed with improved state management. CVE-2019-8540: Weibo Wang (@ma1fan) of Qihoo 360 Nirvan Team Kernel Available for: macOS Mojave 10.14.3 Impact: A local user may be able to read kernel memory Description: A memory corruption issue was addressed with improved memory handling. CVE-2019-6207: Weibo Wang of Qihoo 360 Nirvan Team (@ma1fan) CVE-2019-8510: Stefan Esser of Antid0te UG Messages Available for: macOS Mojave 10.14.3 Impact: A local user may be able to view sensitive user information Description: An access issue was addressed with additional sandbox restrictions. CVE-2019-8546: ChiYuan Chang Notes Available for: macOS Mojave 10.14.3 Impact: A local user may be able to view a user's locked notes Description: An access issue was addressed with improved memory management. CVE-2019-8537: Greg Walker (gregwalker.us) PackageKit Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: A malicious application may be able to elevate privileges Description: A logic issue was addressed with improved validation. CVE-2019-8561: Jaron Bradley of Crowdstrike Perl Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: Multiple issues in Perl Description: Multiple issues in Perl were addressed in this update. CVE-2018-12015: Jakub Wilk CVE-2018-18311: Jayakrishna Menon CVE-2018-18313: Eiichi Tsukata Power Management Available for: macOS Mojave 10.14.3 Impact: A malicious application may be able to execute arbitrary code with system privileges Description: Multiple input validation issues existed in MIG generated code. CVE-2019-8549: Mohamed Ghannam (@_simo36) of SSD Secure Disclosure (ssd-disclosure.com) QuartzCore Available for: macOS Mojave 10.14.3 Impact: Processing malicious data may lead to unexpected application termination Description: Multiple memory corruption issues were addressed with improved input validation. CVE-2019-8507: Kai Lu or Fortinet's FortiGuard Labs Security Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: An application may be able to gain elevated privileges Description: A use after free issue was addressed with improved memory management. CVE-2019-8526: Linus Henze (pinauten.de) Security Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: A malicious application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8520: Antonio Groza, The UK's National Cyber Security Centre (NCSC) Siri Available for: macOS Mojave 10.14.3 Impact: A malicious application may be able to initiate a Dictation request without user authorization Description: An API issue existed in the handling of dictation requests. CVE-2019-8502: Luke Deshotels of North Carolina State University, Jordan Beichler of North Carolina State University, William Enck of North Carolina State University, Costin Carabaș of University POLITEHNICA of Bucharest, and Răzvan Deaconescu of University POLITEHNICA of Bucharest Time Machine Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.3 Impact: A local user may be able to execute arbitrary shell commands Description: This issue was addressed with improved checks. CVE-2019-8513: CodeColorist of Ant-Financial LightYear Labs TrueTypeScaler Available for: macOS Mojave 10.14.3 Impact: Processing a maliciously crafted font may result in the disclosure of process memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2019-8517: riusksk of VulWar Corp working with Trend Micro Zero Day Initiative XPC Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.3 Impact: A malicious application may be able to overwrite arbitrary files Description: This issue was addressed with improved checks. CVE-2019-8530: CodeColorist of Ant-Financial LightYear Labs Additional recognition Accounts We would like to acknowledge Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt for their assistance. Books We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for their assistance. Kernel We would like to acknowledge Brandon Azad of Google Project Zero for their assistance. Mail We would like to acknowledge Craig Young of Tripwire VERT and Hanno Böck for their assistance. Time Machine We would like to acknowledge CodeColorist of Ant-Financial LightYear Labs for their assistance. Installation note: macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra 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----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlyZWQgpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3E4zA/9 FvnChJHCmmH34DmCi+LGXO/fatCVVvvSHDWm1+bPjl8CeYcF+zZYACkQKxFoNpDT vyiBJnNveCQEHeBvqSyRF8dfsTf4fr0MrFS1uIQVRPf2St6fZ27vDnC6fg269r0D Eqnz0raFUa3bLUirteRMJwAqdGaVKwsNzM13qP4QEdrB14XkwZA0yQBunltFYU33 iAesKeejDLdhwkjfhmmjTlVPZmnABx2ZCfj2v7TiPxTOjfYbXcN8sY2LDHEOWNaM ucrGBMfGH/ehStXAsIArwcLGOl6SI+6JywWVcm9lG6jUHSeSk9BPF6R4JzGrEHZB sSo87+U8b63KA2GkYecwh6xvE5EchQku/fj0d2zbOlg+T2bMbyc6Al2nefsYnX5p 7BuhdZxqq3m3Gme2qRY0eye6wch1BTHhK+zctrVH2XeMaUpeanopVRI8AD+hZJ1J +9oQX8kSa7hzJYPmohA4Wi/Rp9FpKpgXYNBn1A9DgSAvf+eyfWJX0aZXmQZfn/k7 OLz3EmSKvXv0i67L9g2XYeX7GFBMqf4xWeztKLUYFafu73t1mTxZJICcYeTxebS0 zBJdkOHwP9GxsSonblDgPScQPdW85l0fangn7qqiexCVp4JsCGBc0Wuy1lc+MyzS 1YmrDRhRl4aYOf4UGgtKI6ncvM77Y30ECPV3A6vl+wk= =QV0f -----END PGP SIGNATURE----- . Installation note: Apple TV will periodically check for software updates

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

other

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2024-11-23T21:21:59.924000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE