For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released March 24, 2020
Accounts
Available for: Apple Watch Series 1 and later
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9772: Allison Husain of UC Berkeley
Entry added May 21, 2020
ActionKit
Available for: Apple Watch Series 1 and later
Impact: An application may be able to use an SSH client provided by private frameworks
Description: This issue was addressed with a new entitlement.
CVE-2020-3917: Steven Troughton-Smith (@stroughtonsmith)
AppleMobileFileIntegrity
Available for: Apple Watch Series 1 and later
Impact: An application may be able to use arbitrary entitlements
Description: This issue was addressed with improved checks.
CVE-2020-3883: Linus Henze (pinauten.de)
CoreFoundation
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to elevate privileges
Description: A permissions issue existed. This issue was addressed with improved permission validation.
CVE-2020-3913: Timo Christ of Avira Operations GmbH & Co. KG
Icons
Available for: Apple Watch Series 1 and later
Impact: Setting an alternate app icon may disclose a photo without needing permission to access photos
Description: An access issue was addressed with additional sandbox restrictions.
CVE-2020-3916: Vitaliy Alekseev (@villy21)
Image Processing
Available for: Apple Watch Series 1 and later
Impact: An application may be able to execute arbitrary code with system privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2020-9768: Mohamed Ghannam (@_simo36)
IOHIDFamily
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2020-3919: Alex Plaskett of F-Secure Consulting
Entry updated May 21, 2020
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-2020-3914: pattern-f (@pattern_F_) of WaCai
Kernel
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: Multiple memory corruption issues were addressed with improved state management.
CVE-2020-9785: Proteas of Qihoo 360 Nirvan Team
libxml2
Available for: Apple Watch Series 1 and later
Impact: Multiple issues in libxml2
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2020-3909: LGTM.com
CVE-2020-3911: found by OSS-Fuzz
libxml2
Available for: Apple Watch Series 1 and later
Impact: Multiple issues in libxml2
Description: A buffer overflow was addressed with improved size validation.
CVE-2020-3910: LGTM.com
Messages
Available for: Apple Watch Series 1 and later
Impact: A person with physical access to a locked iOS device may be able to respond to messages even when replies are disabled
Description: A logic issue was addressed with improved state management.
CVE-2020-3891: Peter Scott
Sandbox
Available for: Apple Watch Series 1 and later
Impact: A local user may be able to view sensitive user information
Description: An access issue was addressed with additional sandbox restrictions.
CVE-2020-3918: Augusto Alvarez of Outcourse Limited
Entry added May 1, 2020
WebKit
Available for: Apple Watch Series 1 and later
Impact: Some websites may not have appeared in Safari Preferences
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9787: Ryan Pickren (ryanpickren.com)
Entry added May 1, 2020
WebKit
Available for: Apple Watch Series 1 and later
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A memory consumption issue was addressed with improved memory handling.
CVE-2020-3899: found by OSS-Fuzz
Entry added May 1, 2020
WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3895: grigoritchy
CVE-2020-3900: Dongzhuo Zhao working with ADLab of Venustech
WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved memory handling.
CVE-2020-3901: Benjamin Randazzo (@____benjamin)
WebKit
Available for: Apple Watch Series 1 and later
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A type confusion issue was addressed with improved memory handling.
CVE-2020-3897: Brendan Draper (@6r3nd4n) working with Trend Micro’s Zero Day Initiative
FontParser
We would like to acknowledge Matthew Denton of Google Chrome for their assistance.
Kernel
We would like to acknowledge Siguza for their assistance.
LinkPresentation
We would like to acknowledge Travis for their assistance.
Phone
We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for their assistance.
rapportd
We would like to acknowledge Alexander Heinrich (@Sn0wfreeze) of Technische Universität Darmstadt for their assistance.
WebKit
We would like to acknowledge Samuel Groß of Google Project Zero, hearmen for their assistance.
Entry updated April 4, 2020