var-202004-1964
Vulnerability from variot

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Processing maliciously crafted web content may lead to code execution. plural Apple The product contains a vulnerability related to the use of freed memory due to a flaw in memory management processing.Created maliciously Web Arbitrary code can be executed by processing the content. 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. Apple iPadOS is an operating system for iPad tablets. WebKit is one of the web browser engine components. A resource management error vulnerability exists in the WebKit component of several Apple products. The following products and versions are affected: Windows-based Apple iCloud versions prior to 7.18 and 10.9.3; Windows-based iTunes versions prior to 12.10.5; iOS versions prior to 13.4; iPadOS versions prior to 13.4; Safari versions prior to 13.1; tvOS Versions prior to 13.4.

Installation note:

Safari 13.1 may be obtained from the Mac App Store. -----BEGIN PGP SIGNATURE----- Version: BCPG v1.64

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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

APPLE-SA-2020-03-24-3 tvOS 13.4

tvOS 13.4 is now available and addresses the following:

ActionKit Available for: Apple TV 4K and Apple TV HD 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 TV 4K and Apple TV HD 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)

Icons Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to identify what other applications a user has installed Description: The issue was addressed with improved handling of icon caches. CVE-2020-9768: Mohamed Ghannam (@_simo36)

IOHIDFamily Available for: Apple TV 4K and Apple TV HD 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: an anonymous researcher

Kernel Available for: Apple TV 4K and Apple TV HD 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 TV 4K and Apple TV HD 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 TV 4K and Apple TV HD 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 TV 4K and Apple TV HD Impact: Multiple issues in libxml2 Description: A buffer overflow was addressed with improved size validation. CVE-2020-3895: grigoritchy CVE-2020-3900: Dongzhuo Zhao working with ADLab of Venustech

WebKit Available for: Apple TV 4K and Apple TV HD 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: Apple TV 4K and Apple TV HD 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: Apple TV 4K and Apple TV HD 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-2020-3901: Benjamin Randazzo (@____benjamin)

WebKit Available for: Apple TV 4K and Apple TV HD Impact: A download's origin may be incorrectly associated Description: A logic issue was addressed with improved restrictions. CVE-2020-9783: Apple

WebKit Available for: Apple TV 4K and Apple TV HD 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: Apple TV 4K and Apple TV HD Impact: A file URL may be incorrectly processed Description: A logic issue was addressed with improved restrictions. CVE-2020-3885: Ryan Pickren (ryanpickren.com)

Additional recognition

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.

WebKit We would like to acknowledge Emilio Cobos Álvarez of Mozilla, Samuel Groß of Google Project Zero, and an anonymous researcher for their assistance.

Installation note:

Apple TV will periodically check for software updates. Alternatively, you may manually check for software updates by selecting "Settings -> System -> Software Update -> Update Software."

To check the current version of software, select "Settings -> General -> About." -----BEGIN PGP SIGNATURE----- Version: BCPG v1.64

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HD\nImpact: An application may be able to use an SSH client provided by\nprivate frameworks\nDescription: This issue was addressed with a new entitlement. \nCVE-2020-3917: Steven Troughton-Smith (@stroughtonsmith)\n\nAppleMobileFileIntegrity\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to use arbitrary entitlements\nDescription: This issue was addressed with improved checks. \nCVE-2020-3883: Linus Henze (pinauten.de)\n\nIcons\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to identify what other\napplications a user has installed\nDescription: The issue was addressed with improved handling of icon\ncaches. \nCVE-2020-9768: Mohamed Ghannam (@_simo36)\n\nIOHIDFamily\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A memory initialization issue was addressed with\nimproved memory handling. \nCVE-2020-3919: an anonymous researcher\n\nKernel\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to read restricted memory\nDescription: A memory initialization issue was addressed with\nimproved memory handling. \nCVE-2020-3914: pattern-f (@pattern_F_) of WaCai\n\nKernel\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: Multiple memory corruption issues were addressed with\nimproved state management. \nCVE-2020-9785: Proteas of Qihoo 360 Nirvan Team\n\nlibxml2\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: Multiple issues in libxml2\nDescription: A buffer overflow was addressed with improved bounds\nchecking. \nCVE-2020-3909: LGTM.com\nCVE-2020-3911: found by OSS-Fuzz\n\nlibxml2\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: Multiple issues in libxml2\nDescription: A buffer overflow was addressed with improved size\nvalidation. \nCVE-2020-3895: grigoritchy\nCVE-2020-3900: Dongzhuo Zhao working with ADLab of Venustech\n\nWebKit\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: An application may be able to read restricted memory\nDescription: A race condition was addressed with additional\nvalidation. \nCVE-2020-3894: Sergei Glazunov of Google Project Zero\n\nWebKit\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: A memory consumption issue was addressed with improved\nmemory handling. \nCVE-2020-3899: found by OSS-Fuzz\n\nWebKit\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: Processing maliciously crafted web content may lead to a\ncross site scripting attack\nDescription: An input validation issue was addressed with improved\ninput validation. \nCVE-2020-3901: Benjamin Randazzo (@____benjamin)\n\nWebKit\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A download\u0027s origin may be incorrectly associated\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2020-9783: Apple\n\nWebKit\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: A type confusion issue was addressed with improved\nmemory handling. \nCVE-2020-3897: Brendan Draper (@6r3nd4n) working with Trend Micro\u2019s\nZero Day Initiative\n\nWebKit Page Loading\nAvailable for: Apple TV 4K and Apple TV HD\nImpact: A file URL may be incorrectly processed\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2020-3885: Ryan Pickren (ryanpickren.com)\n\nAdditional recognition\n\nFontParser\nWe would like to acknowledge Matthew Denton of Google Chrome for\ntheir assistance. \n\nKernel\nWe would like to acknowledge Siguza for their assistance. \n\nLinkPresentation\nWe would like to acknowledge Travis for their assistance. \n\nWebKit\nWe would like to acknowledge Emilio Cobos \u00c1lvarez of Mozilla, Samuel\nGro\u00df of Google 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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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