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CVE-2020-3836

Status Candidate

Overview

An access issue was addressed with improved memory management. 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. A malicious application may be able to determine kernel memory layout.

Related Files

XNU OUserClient::_sendAsyncResult64() ipc_port Pointer Disclosure
Posted Feb 7, 2020
Authored by Google Security Research, bazad

The XNU function IOUserClient::_sendAsyncResult64() discloses the address of the ipc_port to which the notification is sent in the Mach message enqueued on the notification port.

tags | exploit
advisories | CVE-2020-3836
SHA-256 | 1cba10482a4515fe180660f8993986da772e8592cc84ee4824062959ab67fb0e
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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