CVE-2020-27560 Denial of service in n/a

Low 3.3 Published 22 Oct 2020 Updated 4 Aug 2024

A division by zero error in ImageMagick allows attackers to cause a denial of service via crafted image files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2020-27560?

CVE-2020-27560 is a low-severity denial of service vulnerability in Debian Debian Linux, published on 22 Oct 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

ImageMagick 7.0.10-34 allows Division by Zero in OptimizeLayerFrames in MagickCore/layer.c, which may cause a denial of service.

Weakness: CWE-369

Which versions are affected by CVE-2020-27560?

It affects 3 products.

Linux distribution packages (10)

`ImageMagick` SUSE:Linux Enterprise Module for Desktop Applications 15 SP1	All versions	`7.0.7.34-3.85.1`
`ImageMagick` SUSE:Linux Enterprise Module for Desktop Applications 15 SP2	All versions	`7.0.7.34-10.3.1`
`ImageMagick` SUSE:Linux Enterprise Module for Development Tools 15 SP1	All versions	`7.0.7.34-3.85.1`
`ImageMagick` SUSE:Linux Enterprise Module for Development Tools 15 SP2	All versions	`7.0.7.34-10.3.1`
`ImageMagick` SUSE:Linux Enterprise Server 12 SP5	All versions	`6.8.8.1-71.147.1`
`ImageMagick` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`6.8.8.1-71.147.1`
`ImageMagick` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`6.8.8.1-71.147.1`
`ImageMagick` SUSE:Linux Enterprise Workstation Extension 12 SP5	All versions	`6.8.8.1-71.147.1`
`ImageMagick` openSUSE:Leap 15.1	All versions	`7.0.7.34-lp151.7.22.1`
`ImageMagick` openSUSE:Leap 15.2	All versions	`7.0.7.34-lp152.12.6.1`

Products include Debian Debian Linux, Imagemagick Imagemagick, Opensuse Leap.

How do I fix CVE-2020-27560?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-27560 being exploited?

There is no known exploitation of CVE-2020-27560 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-27560, GHSA-wrf5-2xrg-356w, SUSE-SU-2020:3162-1, SUSE-SU-2020:3163-1, SUSE-SU-2020:3164-1, UBUNTU-CVE-2020-27560 and 2 more.