CVE-2019-14562 Integer overflow in Extensible Firmware Interface Development Kit (EDK II)

Medium 5.5 Published 23 Nov 2020 Updated 5 Aug 2024

An integer overflow in EDK II allows an authenticated local user to cause a denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2019-14562?

CVE-2019-14562 is a medium-severity vulnerability in Debian Debian Linux, published on 23 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.

Weakness: CWE-190

Which versions are affected by CVE-2019-14562?

It affects 2 products.

Linux distribution packages (14)

`ovmf` SUSE:Linux Enterprise High Performance Computing 15-ESPOS	All versions	`2017+git1510945757.b2662641d5-5.35.1`
`ovmf` SUSE:Linux Enterprise High Performance Computing 15-LTSS	All versions	`2017+git1510945757.b2662641d5-5.35.1`
`ovmf` SUSE:Linux Enterprise Module for Server Applications 15 SP1	All versions	`2017+git1510945757.b2662641d5-5.35.1`
`ovmf` SUSE:Linux Enterprise Module for Server Applications 15 SP2	All versions	`201911-7.5.2`
`ovmf` SUSE:Linux Enterprise Server 12 SP4-LTSS	All versions	`2017+git1510945757.b2662641d5-3.29.1`
`ovmf` SUSE:Linux Enterprise Server 12 SP5	All versions	`2017+git1510945757.b2662641d5-3.29.1`
`ovmf` SUSE:Linux Enterprise Server 15-LTSS	All versions	`2017+git1510945757.b2662641d5-5.35.1`
`ovmf` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	All versions	`2017+git1510945757.b2662641d5-3.29.1`
`ovmf` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`2017+git1510945757.b2662641d5-3.29.1`
`ovmf` SUSE:Linux Enterprise Server for SAP Applications 15	All versions	`2017+git1510945757.b2662641d5-5.35.1`
`ovmf` SUSE:OpenStack Cloud 9	All versions	`2017+git1510945757.b2662641d5-3.29.1`
`ovmf` SUSE:OpenStack Cloud Crowbar 9	All versions	`2017+git1510945757.b2662641d5-3.29.1`
`ovmf` openSUSE:Leap 15.1	All versions	`2017+git1510945757.b2662641d5-lp151.11.9.1`
`ovmf` openSUSE:Leap 15.2	All versions	`201911-lp152.6.5.1`

Products include Debian Debian Linux, Tianocore Edk2.

How do I fix CVE-2019-14562?

Apply the vendor's patch.

Is CVE-2019-14562 being exploited?

There is no known exploitation of CVE-2019-14562 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-14562, GHSA-57v4-px6g-hxrm, OESA-2021-1192, SUSE-SU-2020:2691-1, SUSE-SU-2020:2713-1, SUSE-SU-2020:2714-1 and 3 more.