ID

VAR-202002-1191

CVE

CVE-2020-3878

TITLE

plural Apple Out-of-bounds read vulnerabilities in the product

DESCRIPTION

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing a maliciously crafted image may lead to arbitrary code execution. plural Apple An out-of-bounds read vulnerability exists in the product due to a flaw in the input validation process.Arbitrary code can be executed through maliciously created images. 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. A buffer error vulnerability exists in the ImageIO component of several Apple products. The following products and versions are affected: Apple tvOS before 13.3.1; iOS before 13.3.1; iPadOS before 13.3.1; watchOS before 6.1.2; macOS Catalina before 10.15.3. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2020-05-26-3 macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra are now available and address the following: Accounts Available for: macOS Catalina 10.15.4 Impact: A remote attacker may be able to cause a denial of service Description: A denial of service issue was addressed with improved input validation. CVE-2020-9827: Jannik Lorenz of SEEMOO @ TU Darmstadt AirDrop Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A remote attacker may be able to cause a denial of service Description: A denial of service issue was addressed with improved input validation. CVE-2020-9826: Dor Hadad of Palo Alto Networks AppleMobileFileIntegrity Available for: macOS High Sierra 10.13.6, macOS Catalina 10.15.4 Impact: An application may be able to use arbitrary entitlements Description: This issue was addressed with improved checks. CVE-2020-9842: Linus Henze (pinauten.de) AppleUSBNetworking Available for: macOS Catalina 10.15.4 Impact: Inserting a USB device that sends invalid messages may cause a kernel panic Description: A logic issue was addressed with improved restrictions. CVE-2020-9804: Andy Davis of NCC Group Audio Available for: macOS Catalina 10.15.4 Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9815: Yu Zhou (@yuzhou6666) working with Trend Micro Zero Day Initiative Audio Available for: macOS Catalina 10.15.4 Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-9791: Yu Zhou (@yuzhou6666) working with Trend Micro Zero Day Initiative Bluetooth Available for: macOS Catalina 10.15.4 Impact: A malicious application may be able to determine kernel memory layout Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9831: Yu Wang of Didi Research America Calendar Available for: macOS Catalina 10.15.4 Impact: Importing a maliciously crafted calendar invitation may exfiltrate user information Description: This issue was addressed with improved checks. CVE-2020-3882: Andy Grant of NCC Group CVMS Available for: macOS Catalina 10.15.4 Impact: An application may be able to gain elevated privileges Description: This issue was addressed with improved checks. CVE-2020-9856: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative DiskArbitration Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to break out of its sandbox Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9847: Zhuo Liang of Qihoo 360 Vulcan Team Find My Available for: macOS Catalina 10.15.4 Impact: A local attacker may be able to elevate their privileges Description: A validation issue existed in the handling of symlinks. CVE-2020-9855: Zhongcheng Li(CK01) of Topsec Alpha Team FontParser Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-9816: Peter Nguyen Vu Hoang of STAR Labs working with Trend Micro Zero Day Initiative ImageIO Available for: macOS Catalina 10.15.4 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-2020-3878: Samuel Groß of Google Project Zero ImageIO Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-9789: Wenchao Li of VARAS@IIE CVE-2020-9790: Xingwei Lin of Ant-financial Light-Year Security Lab Intel Graphics Driver Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-9822: ABC Research s.r.o IPSec Available for: macOS High Sierra 10.13.6, macOS Catalina 10.15.4 Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9837: Thijs Alkemade of Computest Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2020-9821: Xinru Chi and Tielei Wang of Pangu Lab Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to determine another application's memory layout Description: An information disclosure issue was addressed by removing the vulnerable code. CVE-2020-9797: an anonymous researcher Kernel Available for: macOS Catalina 10.15.4 Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An integer overflow was addressed through improved input validation. CVE-2020-9852: Tao Huang and Tielei Wang of Pangu Lab Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2020-9795: Zhuo Liang of Qihoo 360 Vulcan Team Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: An application may be able to cause unexpected system termination or write kernel memory Description: A memory corruption issue was addressed with improved state management. CVE-2020-9808: Xinru Chi and Tielei Wang of Pangu Lab Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A local user may be able to read kernel memory Description: An information disclosure issue was addressed with improved state management. CVE-2020-9811: Tielei Wang of Pangu Lab CVE-2020-9812: Derrek (@derrekr6) Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A logic issue existed resulting in memory corruption. CVE-2020-9813: Xinru Chi of Pangu Lab CVE-2020-9814: Xinru Chi and Tielei Wang of Pangu Lab Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to determine kernel memory layout Description: An information disclosure issue was addressed with improved state management. CVE-2020-9809: Benjamin Randazzo (@____benjamin) ksh Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A local user may be able to execute arbitrary shell commands Description: An issue existed in the handling of environment variables. CVE-2019-14868 NSURL Available for: macOS Mojave 10.14.6 Impact: A malicious website may be able to exfiltrate autofilled data in Safari Description: An issue existed in the parsing of URLs. CVE-2020-9857: Dlive of Tencent Security Xuanwu Lab PackageKit Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to gain root privileges Description: A permissions issue existed. CVE-2020-9817: Andy Grant of NCC Group PackageKit Available for: macOS Catalina 10.15.4 Impact: A malicious application may be able to modify protected parts of the file system Description: An access issue was addressed with improved access restrictions. CVE-2020-9851: Linus Henze (pinauten.de) Python Available for: macOS Catalina 10.15.4 Impact: A remote attacker may be able to cause arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2020-9793 Sandbox Available for: macOS Catalina 10.15.4 Impact: A malicious application may be able to bypass Privacy preferences Description: An access issue was addressed with additional sandbox restrictions. CVE-2020-9825: Sreejith Krishnan R (@skr0x1C0) Security Available for: macOS Catalina 10.15.4 Impact: A file may be incorrectly rendered to execute JavaScript Description: A validation issue was addressed with improved input sanitization. CVE-2020-9788: Wojciech Reguła of SecuRing (https://wojciechregula.blog) SIP Available for: macOS Catalina 10.15.4 Impact: A non-privileged user may be able to modify restricted network settings Description: A logic issue was addressed with improved restrictions. CVE-2020-9824: Csaba Fitzl (@theevilbit) of Offensive Security SQLite Available for: macOS Catalina 10.15.4 Impact: A malicious application may cause a denial of service or potentially disclose memory contents Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-9794 System Preferences Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with improved state handling. CVE-2020-9839: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative USB Audio Available for: macOS Catalina 10.15.4 Impact: A USB device may be able to cause a denial of service Description: A validation issue was addressed with improved input sanitization. CVE-2020-9792: Andy Davis of NCC Group Wi-Fi Available for: macOS Catalina 10.15.4 Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A double free issue was addressed with improved memory management. CVE-2020-9844: Ian Beer of Google Project Zero Wi-Fi Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 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-2020-9830: Tielei Wang of Pangu Lab Wi-Fi Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 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-2020-9834: Yu Wang of Didi Research America Wi-Fi Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A local user may be able to read kernel memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2020-9833: Yu Wang of Didi Research America Wi-Fi Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A malicious application may be able to determine kernel memory layout Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-9832: Yu Wang of Didi Research America WindowServer Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: An application may be able to execute arbitrary code with kernel privileges Description: An integer overflow was addressed through improved input validation. CVE-2020-9841: ABC Research s.r.o. working with Trend Micro Zero Day Initiative zsh Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.4 Impact: A local attacker may be able to elevate their privileges Description: An authorization issue was addressed with improved state management. CVE-2019-20044: Sam Foxman Additional recognition CoreBluetooth We would like to acknowledge Maximilian von Tschitschnitz of Technical University Munich and Ludwig Peuckert of Technical University Munich for their assistance. CoreText We would like to acknowledge Jiska Classen (@naehrdine) and Dennis Heinze (@ttdennis) of Secure Mobile Networking Lab for their assistance. Endpoint Security We would like to acknowledge an anonymous researcher for their assistance. ImageIO We would like to acknowledge Lei Sun for their assistance. IOHIDFamily We would like to acknowledge Andy Davis of NCC Group for their assistance. IPSec We would like to acknowledge Thijs Alkemade of Computest for their assistance. Login Window We would like to acknowledge Jon Morby and an anonymous researcher for their assistance. Sandbox We would like to acknowledge Jason L Lang of Optum for their assistance. Spotlight We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance. Installation note: macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/ -----BEGIN PGP SIGNATURE----- Version: BCPG v1.64 iQIcBAEDCAAGBQJezZcfAAoJEAc+Lhnt8tDNIQYP/0YN+/T85WC7RJjAlRrUDduD ZO0e76d2C1jNgZWsYmXnrEPwfRYAEPLcKgb/SxAlwlRNFqex9CNu2sD1aA3GZBIO MaektARuncqh06rl8BjbakS4HQs675vUEjoJS9H2d0pq2dSEIjOtH1agJwtGIeNS wHBFlUnQzI42hurYeq7fxRdiByf+Z3mKEBt6wlVtaWjqcMfG9sroj9H58RLiqSNm VNfU4eZNPrG49kbTf4IC2JvvKg18hrUZqIcjbV/56+kPBl4+USIxh/5ECJHV/cDD BEe64M2I1LiY0lq6neoOeHvBiiIvUq9EUW2PBnfcbo3V1D35mm6td+WnO3Buqo6f EEkjfIwtq7fI10ZPYYjiUayrQyfqmM3x14JcxDsHzlerT6NNRTg3g2ls0seQK9Lt 8IDbkrseOR0JFukR1njC+cAk4RbDFue5cUJK6Js1nGvFwLN0kHFIhh9jFKgccgH7 bKSLDAdB+kSxBOshDDmYyNS+KRzXEWIsBU8ZbNAbRDANWqm4lcPffKWcG7zIdiMQ JLUclRURf35AoFmJ0F1BZSRzFuHr1Dvh23SjNK7H9i/mD05+rY6esh5ZKco+6Yqe pW/EOXEAs/J06xUytABH3SkFmQSzlIPuFrXa8qAskHhFp/E8yLehyefoY+AZJjal sLrLBIOxQCTskSFoExP8 =2eah -----END PGP SIGNATURE----- . 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". -----BEGIN PGP SIGNATURE----- Version: BCPG v1.64 iQIcBAEDCAAGBQJezV7iAAoJEAc+Lhnt8tDNOiEP/10y27pTK/QbuSGW7HnZoJjg f2sHKU0JBCz7BjdgZHl6g+glsYPTojGGlIEa/r0ID9X74I41YS3cGvzmTQXcSdXV Xbs98UPjabCZOMiTW/LBxx25I78UptqhMhisrXnNXfu+lAYOxmJVQ0vbN9jd9za9 oKw1ydIi4aGfwPg8KOtMbxzE8wb8+SsRlHmXGh4qSmJ0o5BIvumdPMQRInM5Sdhp d/XWrgc7SPKervyfgvlylWE3KteDDSkk8d42wN4444pLQkVrKnaxGKHjWz01jcMF 1uB9ExsQbINGeR78wu8hD1wZke735shCwSyHHlSVf0iT/Ji3Zafy5dN79lMH5M8t x6ZmvDaPtNXGTaH41oTqsmyVoauy8ArWVMAuyi/ZdM6tM4J+7nEEAhrzvVOJ/0A2 nTdGZBDUeUmDLpcJwGw4h8MCYNqscHYNAPUJ2sLfyQhT6lC71yvJeKENwsK77hTC ZP+TFZbnbq7kETD/JknhGb8eC4DQ71NmlRNWpfKBId5bvXLRqiP/WHtwQk6XYCBN YNEOAUltQd4vKAI1ozjMh+RTI0EHNxTZCWJPawEkk2WhAytz+js+nJB4R9kp6N+k GghA5YOwLr/RveIzgm3fWEXOCR7b+7qxic+DPPULycnpdhDglbBWr4p8giQufnS2 2yHIY1iRg2jjw5hArbVE =9PNQ -----END PGP SIGNATURE----- . CVE-2020-3844: Lance Rodgers of Oxon Hill High School Phone 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 an iOS device may be able to access contacts from the lock screen Description: A lock screen issue allowed access to contacts on a locked device. CVE-2020-3841: Sebastian Bicchi (@secresDoge) from Sec-Research Screenshots Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation Impact: Screenshots of the Messages app may reveal additional message content Description: An issued existed in the naming of screenshots. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/ iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device. The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. To check that the iPhone, iPod touch, or iPad has been updated: * Navigate to Settings * Select General * Select About. The version after applying this update will be "iOS 13.3.1 and iPadOS 13.3.1"

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

buffer error

CONFIGURATIONS

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2026-02-06T20:08:40.635000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE