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CVE-2020-3843

Status Candidate

Overview

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Related Files

iOS / macOS Radio Proximity Kernel Memory Corruption
Posted Apr 7, 2021
Authored by Google Security Research, Ian Beer

A radio proximity kernel memory corruption vulnerability exists in iOS and macOS due to bad state machine in BSS steering.

tags | exploit, kernel
systems | ios
advisories | CVE-2020-3843, CVE-2020-9906
SHA-256 | 9e6c28acc2dc2cdb2acc5704dda5595cbbba3c80139500e4fad8a275eaa86716
iOS / macOS Wifi Proximity Kernel Double-Free
Posted Jun 25, 2020
Authored by Google Security Research, Ian Beer

iOS and macOS suffered from a wifi proximity kernel double-free vulnerability in AWDL BSS Steering.

tags | exploit, kernel
systems | ios
advisories | CVE-2020-3843, CVE-2020-9844
SHA-256 | 185ed329e279974bff794995bb28d911a3d0487fe537cf5e9f91c71beea77fb6
Apple Security Advisory 2020-05-26-6
Posted May 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-05-26-6 - watchOS 5.3.7 addresses a memory corruption vulnerability.

tags | advisory
systems | apple
advisories | CVE-2020-3843, CVE-2020-9819
SHA-256 | e65dba406f7d8518f1a05c7ce9ea5e72aca13fc63ac0c877fa3d39db3dab9f43
Apple Security Advisory 2020-05-26-2
Posted May 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-05-26-2 - iOS 12.4.7 addresses an out of bounds write vulnerability.

tags | advisory
systems | apple, ios
advisories | CVE-2020-3843, CVE-2020-9818, CVE-2020-9819
SHA-256 | 25db04f26f48b4ba1f92482b9041ca6d7f62441ba8497a88e48505ea92305c77
iOS / macOS AWDL Heap Corruption / Bounds Checking
Posted Mar 9, 2020
Authored by Google Security Research, Ian Beer

A remote iOS / macOS heap corruption issue exists due to insufficient bounds checking in AWDL.

tags | exploit, remote
systems | ios
advisories | CVE-2020-3843
SHA-256 | 1e68cf9915d34a1e26c5b0144404e1b0fe8b04f018d7bdc8675b27fbd497f2c1
Apple Security Advisory 2020-1-28-2
Posted Jan 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-1-28-2 - macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra are now available and address buffer overflow, bypass, and code execution vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2019-11043, CVE-2019-18634, CVE-2020-3826, CVE-2020-3827, CVE-2020-3829, CVE-2020-3830, CVE-2020-3835, CVE-2020-3836, CVE-2020-3837, CVE-2020-3838, CVE-2020-3839, CVE-2020-3840, CVE-2020-3842, CVE-2020-3843, CVE-2020-3845, CVE-2020-3846, CVE-2020-3847, CVE-2020-3848, CVE-2020-3849, CVE-2020-3850, CVE-2020-3853, CVE-2020-3854, CVE-2020-3855, CVE-2020-3856, CVE-2020-3857, CVE-2020-3866, CVE-2020-3870, CVE-2020-3871
SHA-256 | 6dc59a831c4eeb00f22a91e88c410f4413de1117cf660dac3d76799ab2d9c97d
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