-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2020-1-28-3 watchOS 6.1.2 watchOS 6.1.2 is now available and addresses the following: AnnotationKit Available for: Apple Watch Series 1 and later Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3877: an anonymous researcher working with Trend Micro's Zero Day Initiative Audio Available for: Apple Watch Series 1 and later Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2020-3857: Zhuo Liang of Qihoo 360 Vulcan Team ImageIO Available for: Apple Watch Series 1 and later Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3870 CVE-2020-3878: Samuel Groß of Google Project Zero IOAcceleratorFamily Available for: Apple Watch Series 1 and later 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-2020-3837: Brandon Azad of Google Project Zero Kernel Available for: Apple Watch Series 1 and later Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2020-3875: Brandon Azad of Google Project Zero Kernel Available for: Apple Watch Series 1 and later Impact: A malicious application may be able to determine kernel memory layout Description: An access issue was addressed with improved memory management. CVE-2020-3836: Brandon Azad of Google Project Zero Kernel Available for: Apple Watch Series 1 and later Impact: An application may be able to read restricted memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2020-3872: Haakon Garseg Mørk of Cognite and Cim Stordal of Cognite Kernel Available for: Apple Watch Series 1 and later 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-2020-3842: Ned Williamson working with Google Project Zero Kernel Available for: Apple Watch Series 1 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2020-3834: Xiaolong Bai and Min (Spark) Zheng of Alibaba Inc, Luyi Xing of Indiana University Bloomington Kernel Available for: Apple Watch Series 1 and later 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-2020-3860: Proteas of Qihoo 360 Nirvan Team Kernel Available for: Apple Watch Series 1 and later Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A type confusion issue was addressed with improved memory handling. CVE-2020-3853: Brandon Azad of Google Project Zero libxpc Available for: Apple Watch Series 1 and later Impact: Processing a maliciously crafted string may lead to heap corruption Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3856: Ian Beer of Google Project Zero libxpc Available for: Apple Watch Series 1 and later Impact: An application may be able to gain elevated privileges Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-3829: Ian Beer of Google Project Zero wifivelocityd Available for: Apple Watch Series 1 and later Impact: An application may be able to execute arbitrary code with system privileges Description: The issue was addressed with improved permissions logic. CVE-2020-3838: Dayton Pidhirney (@_watbulb) Additional recognition IOSurface We would like to acknowledge Liang Chen (@chenliang0817) for their assistance. Installation note: Instructions on how to update your Apple Watch software are available at https://support.apple.com/kb/HT204641 To check the version on your Apple Watch, open the Apple Watch app on your iPhone and select "My Watch > General > About". Alternatively, on your watch, select "My Watch > General > About". 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----- iQIzBAEBCAAdFiEEM5FaaFRjww9EJgvRBz4uGe3y0M0FAl4whoIACgkQBz4uGe3y 0M2stQ/+OuyWKYzmyoukbioqc52unZuM9BR/7DSPTXV3V2DZiOnbB9g/GjSXfZ6B MwgIrhKfXW3krfSQFgeQVeAeoZWSYNpp3+C+gmc1o1sJwuFOIljiLGLAZGYh18u+ /eLLKFPQEmTn7JxQyIltCmVba3RHK0/ejmM9Ixrxz7LfwDlYJAJpfUnv7othupHx 17VvkPb4FRIiwpi1XF3iqDAtm6KXe8PJth5HaLpvLFUFo+AqEIF1UdK6iB4Sn6GO Qm5xmuJHLZvz6Bbz211LcWmyR5qFtp/FsIDIR9kX8g1DnaUY4/7atF5CAwA4hiz5 dW+2hYwG7XLg2b0i+MMatEOrT90CAfb1gMK2WdAbPOfVkuCDAM4GAGI1EkCYPUhP /nxw9EVPlfSkxqcIRgw4dg3T3Sij29UAoh8R11I+Q4rkWZU6t8QDohZ8Nwo1W3DZ XCa5sRmoXw5oKgQTby+aDd2Bk5IeLWThOJy0sx42BlMAhynh008PJZmFIQLXwgiI 5Scf2BMc8SxO1TwuyTyOoOx3Y82PfFw1Pw7dgoNlXcMZa/nzSUEzg7zJhKr3JGs+ tusuHY5pFE5ATTVifBPREyPc79KhaLF4BjlH58VYaPw09jyC0cb8C61foGsR1BjT Ua+Wg313tcHsC4gUUFn9dtLzJcgx+7GlDglpAPGIxd7OOeotvD8= =ZxyW -----END PGP SIGNATURE-----