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About the security content of iOS 13.4 and iPadOS 13.4 - Apple Support

Description

## About Apple security updates 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](<https://support.apple.com/kb/HT201222>) page. Apple security documents reference vulnerabilities by [CVE-ID](<http://cve.mitre.org/about/>) when possible. For more information about security, see the [Apple Product Security](<https://support.apple.com/kb/HT201220>) page. ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## iOS 13.4 and iPadOS 13.4 Released March 24, 2020 **Accounts** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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) **Bluetooth** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic Description: A logic issue was addressed with improved state management. CVE-2020-9770: Jianliang Wu of PurSec Lab of Purdue University, Xinwen Fu and Yue Zhang of the University of Central Florida **CoreFoundation** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Multiple issues in libxml2 Description: A buffer overflow was addressed with improved size validation. CVE-2020-3910: LGTM.com **libxml2** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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 **Mail** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A local user may be able to view deleted content in the app switcher Description: The issue was resolved by clearing application previews when content is deleted. CVE-2020-9780: an anonymous researcher, Dimitris Chaintinis **Mail Attachments** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Cropped videos may not be shared properly via Mail Description: An issue existed in the selection of video file by Mail. The issue was fixed by selecting the latest version of a video. CVE-2020-9777 **Messages** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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 **Messages Composition** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Deleted messages groups may still be suggested as an autocompletion Description: The issue was addressed with improved deletion. CVE-2020-3890: an anonymous researcher **Safari** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A user's private browsing activity may be unexpectedly saved in Screen Time Description: An issue existed in the handling of tabs displaying picture in picture video. The issue was corrected with improved state handling. CVE-2020-9775: Andrian (@retroplasma), Marat Turaev, Marek Wawro (futurefinance.com) and Sambor Wawro of STO64 School Krakow Poland Entry updated May 1, 2020 **Safari** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A user may grant website permissions to a site they didn't intend to Description: The issue was addressed by clearing website permission prompts after navigation. CVE-2020-9781: Nikhil Mittal (@c0d3G33k) of Payatu Labs (payatu.com) **Sandbox** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: an anonymous researcher, Augusto Alvarez of Outcourse Limited Entry added May 1, 2020, updated May 21, 2020 **Web App** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A maliciously crafted page may interfere with other web contexts Description: A logic issue was addressed with improved restrictions. CVE-2020-3888: Darren Jones of Dappological Ltd. **WebKit** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: An application may be able to read restricted memory Description: A race condition was addressed with additional validation. CVE-2020-3894: Sergei Glazunov of Google Project Zero **WebKit** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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 **WebKit** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to a cross site scripting attack Description: An input validation issue was addressed with improved input validation. CVE-2020-3902: Yiğit Can YILMAZ (@yilmazcanyigit) **WebKit** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A download's origin may be incorrectly associated Description: A logic issue was addressed with improved restrictions. CVE-2020-3887: Ryan Pickren (ryanpickren.com) **WebKit** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Processing maliciously crafted web content may lead to code execution Description: A use after free issue was addressed with improved memory management. CVE-2020-9783: Apple **WebKit** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation 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 **WebKit Page Loading** Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: A file URL may be incorrectly processed Description: A logic issue was addressed with improved restrictions. CVE-2020-3885: Ryan Pickren (ryanpickren.com) ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## Additional recognition **4FontParser** 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. **Notes** We would like to acknowledge Mike DiLoreto for their assistance. **rapportd** We would like to acknowledge Alexander Heinrich (@Sn0wfreeze) of Technische Universität Darmstadt for their assistance. **Safari Reader** We would like to acknowledge Nikhil Mittal (@c0d3G33k) of Payatu Labs (payatu.com) for their assistance. **Sidecar** We would like to acknowledge Rick Backley (@rback_sec) for their assistance. **SiriKit** We would like to acknowledge Ioan Florescu and Ki Ha Nam for their assistance. **WebKit** We would like to acknowledge Emilio Cobos Álvarez of Mozilla, Samuel Groß of Google Project Zero, hearmen for their assistance. Entry updated April 4, 2020


Affected Software


CPE Name Name Version
ipados 13.4
ios 13.4

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