CVE-2020-3899 Memory corruption in Safari

High 8.8 Published 1 Apr 2020 Updated 4 Aug 2024

A remote attacker can achieve arbitrary code execution via a memory consumption issue in Apple operating systems and Safari.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2020-3899?

CVE-2020-3899 is a high-severity memory corruption vulnerability in Apple Icloud, published on 1 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, watchOS 6.2, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. A remote attacker may be able to cause arbitrary code execution.

Which versions are affected by CVE-2020-3899?

It affects 7 products.

Linux distribution packages (25)

`webkit2gtk3` SUSE:Enterprise Storage 5	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:HPE Helion OpenStack 8	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise High Performance Computing 15-ESPOS	All versions	`2.28.2-3.54.1`
`webkit2gtk3` SUSE:Linux Enterprise High Performance Computing 15-LTSS	All versions	`2.28.2-3.54.1`
`webkit2gtk3` SUSE:Linux Enterprise Module for Basesystem 15 SP1	All versions	`2.28.2-3.54.1`
`webkit2gtk3` SUSE:Linux Enterprise Module for Desktop Applications 15 SP1	All versions	`2.28.2-3.54.1`
`webkit2gtk3` SUSE:Linux Enterprise Server 12 SP2-BCL	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server 12 SP2-LTSS	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server 12 SP3-BCL	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server 12 SP3-LTSS	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server 12 SP4	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server 12 SP5	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server 15-LTSS	All versions	`2.28.2-3.54.1`
`webkit2gtk3` SUSE:Linux Enterprise Server for SAP Applications 12 SP2	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Server for SAP Applications 15	All versions	`2.28.2-3.54.1`
`webkit2gtk3` SUSE:Linux Enterprise Software Development Kit 12 SP4	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:Linux Enterprise Workstation Extension 12 SP4	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:OpenStack Cloud 7	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:OpenStack Cloud 8	All versions	`2.28.2-2.53.2`
`webkit2gtk3` SUSE:OpenStack Cloud Crowbar 8	All versions	`2.28.2-2.53.2`
`webkit2gtk3` openSUSE:Leap 15.1	All versions	`2.28.2-lp151.2.18.1`

Products include Apple Icloud, Apple Ipad Os, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos and 1 more.

How do I fix CVE-2020-3899?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-3899 being exploited?

There is no known exploitation of CVE-2020-3899 in the wild and no public exploit code.

All Apple Icloud vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-3899, GHSA-r89q-c9hq-6hvp, MGASA-2020-0188, SUSE-SU-2020:1198-1, SUSE-SU-2020:1211-1, UBUNTU-CVE-2020-3899 and 2 more.