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CVE-2020-3856

Status Candidate

Overview

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. Processing a maliciously crafted string may lead to heap corruption.

Related Files

XPC Memory Disclosure / Corruption
Posted Feb 13, 2020
Authored by Google Security Research, Ian Beer

XPC fast path fails to ensure NULL termination of XPC strings, leading to memory disclosure and corruption vulnerabilities in XPC services.

tags | exploit, vulnerability
advisories | CVE-2020-3856
SHA-256 | 177cb639e6a25a5904e8f4f9ae68c987f945f93207a3d09333a7ea42bc47e766
Apple Security Advisory 2020-1-28-1
Posted Jan 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-1-28-1 - iOS 13.3.1 and iPadOS 13.3.1 are now available and address code execution vulnerabilities.

tags | advisory, vulnerability, code execution
systems | apple, ios
advisories | CVE-2020-3828, CVE-2020-3829, CVE-2020-3831, CVE-2020-3836, CVE-2020-3837, CVE-2020-3838, CVE-2020-3840, CVE-2020-3841, CVE-2020-3842, CVE-2020-3844, CVE-2020-3853, CVE-2020-3856, CVE-2020-3857, CVE-2020-3858, CVE-2020-3859, CVE-2020-3860, CVE-2020-3869, CVE-2020-3870, CVE-2020-3872, CVE-2020-3873, CVE-2020-3874, CVE-2020-3875, CVE-2020-3878
SHA-256 | 451f9f0db4b53867f6b4613f74a664aaee0fadcb5afed494d424333c909099b5
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
Apple Security Advisory 2020-1-28-4
Posted Jan 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-1-28-4 - tvOS 13.3.1 is now available and addresses code execution vulnerabilities.

tags | advisory, vulnerability, code execution
systems | apple
advisories | CVE-2020-3829, CVE-2020-3836, CVE-2020-3837, CVE-2020-3838, CVE-2020-3840, CVE-2020-3842, CVE-2020-3853, CVE-2020-3856, CVE-2020-3857, CVE-2020-3868, CVE-2020-3870, CVE-2020-3872, CVE-2020-3875, CVE-2020-3878
SHA-256 | 8811822470152c7c5c5739e0be582b4d494845ed881e590aa7e2da5e6d1452fb
Apple Security Advisory 2020-1-28-3
Posted Jan 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-1-28-3 - watchOS 6.1.2 is now available and addresses code execution vulnerabilities.

tags | advisory, vulnerability, code execution
systems | apple
advisories | CVE-2020-3829, CVE-2020-3834, CVE-2020-3836, CVE-2020-3837, CVE-2020-3838, CVE-2020-3842, CVE-2020-3853, CVE-2020-3856, CVE-2020-3857, CVE-2020-3860, CVE-2020-3870, CVE-2020-3872, CVE-2020-3875, CVE-2020-3877, CVE-2020-3878
SHA-256 | dbe2c3cb8a3c6e9e7d49c188d63249672b132824e400c3434a381fea33e430a0
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